Here is another follow-up to the SIRWEC METRo developers luncheon. 

I just did some sensitivity tests to determine exactly what variables in
the obs-history need to be non-missing in order to produce valid (non
nan) road-T (<st>) values. It is very interesting what I found and is
related to the previous email I sent about the 2-hour obs history
requirement. I have attached the example input files I used for my testing.

It appears that METRo requires at least 2 road-T (<st>) values, 1 at the
current (latest) hour and 1 at the previous hour.
It requires at least 1 subsurface (<sst>) value, either at the current
hour or the previous hour.
It requires at least 1 wind-speed (<ws>) value, at the current hour.

It's weird that you can either have a subsurface ob at either the
current hour or the previous hour and METRo will produce non-missing
road-T output but you have to have a wind-speed value at the current
hour in order to get it to produce non-missing road-T output.

Note that the example obs.0.99.xml file that I attached has road-T
values at both hours, the subsurface value at the previous hour and the
wind-speed value at the current hour...it worked for this case but if
you make some values missing you'll see what I am talking about.

If someone can confirm this I will update the wiki.

Seth


-- 
Seth Linden
Software Engineer
Research Applications Laboratory (RAL)
National Center for Atmospheric Research
Foothills Laboratory
Building 2
3450 Mitchell Lane
Boulder, CO 80301 USA
Ph: 303-497-8433

<?xml version ="1.0" ?>
<forecast>
  <header>
      <version>1.1</version>
      <production-date>2010-02-15T18:52Z</production-date>
      <station-id>74560042</station-id>
  </header>
  <prediction-list>
      <prediction>
          <forecast-time>2010-02-15T18:00Z</forecast-time>
          <at>-4.43</at>
          <td>-5.43</td>
          <ra>0.20</ra>
          <sn>0.00</sn>
          <ws>16.73</ws>
          <ap>990.25</ap>
          <cc>8</cc>
          <wd>270.00</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-15T19:00Z</forecast-time>
          <at>-3.97</at>
          <td>-4.97</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>18.81</ws>
          <ap>990.11</ap>
          <cc>8</cc>
          <wd>286.50</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-15T20:00Z</forecast-time>
          <at>-3.02</at>
          <td>-5.46</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>20.60</ws>
          <ap>989.12</ap>
          <cc>8</cc>
          <wd>292.07</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-15T21:00Z</forecast-time>
          <at>-3.03</at>
          <td>-5.79</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>21.39</ws>
          <ap>989.68</ap>
          <cc>7</cc>
          <wd>297.13</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-15T22:00Z</forecast-time>
          <at>-3.00</at>
          <td>-5.80</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>18.70</ws>
          <ap>989.97</ap>
          <cc>7</cc>
          <wd>297.15</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-15T23:00Z</forecast-time>
          <at>-3.37</at>
          <td>-6.03</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>15.53</ws>
          <ap>990.63</ap>
          <cc>7</cc>
          <wd>290.86</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T00:00Z</forecast-time>
          <at>-4.01</at>
          <td>-5.91</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>13.04</ws>
          <ap>990.97</ap>
          <cc>7</cc>
          <wd>284.23</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T01:00Z</forecast-time>
          <at>-4.41</at>
          <td>-5.96</td>
          <ra>0.34</ra>
          <sn>0.00</sn>
          <ws>13.06</ws>
          <ap>990.73</ap>
          <cc>7</cc>
          <wd>285.13</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T02:00Z</forecast-time>
          <at>-4.15</at>
          <td>-5.15</td>
          <ra>0.47</ra>
          <sn>0.00</sn>
          <ws>14.88</ws>
          <ap>990.53</ap>
          <cc>7</cc>
          <wd>286.12</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T03:00Z</forecast-time>
          <at>-4.33</at>
          <td>-5.33</td>
          <ra>0.68</ra>
          <sn>0.00</sn>
          <ws>14.64</ws>
          <ap>990.84</ap>
          <cc>6</cc>
          <wd>286.89</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T04:00Z</forecast-time>
          <at>-4.40</at>
          <td>-5.40</td>
          <ra>0.82</ra>
          <sn>0.00</sn>
          <ws>14.92</ws>
          <ap>990.84</ap>
          <cc>6</cc>
          <wd>288.24</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T05:00Z</forecast-time>
          <at>-4.68</at>
          <td>-5.60</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.61</ws>
          <ap>990.85</ap>
          <cc>6</cc>
          <wd>292.15</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T06:00Z</forecast-time>
          <at>-4.87</at>
          <td>-5.19</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.33</ws>
          <ap>990.85</ap>
          <cc>6</cc>
          <wd>291.74</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T07:00Z</forecast-time>
          <at>-5.50</at>
          <td>-5.80</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.05</ws>
          <ap>991.21</ap>
          <cc>6</cc>
          <wd>292.38</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T08:00Z</forecast-time>
          <at>-5.75</at>
          <td>-5.91</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>19.14</ws>
          <ap>991.58</ap>
          <cc>6</cc>
          <wd>293.30</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T09:00Z</forecast-time>
          <at>-5.33</at>
          <td>-6.03</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>19.90</ws>
          <ap>991.94</ap>
          <cc>6</cc>
          <wd>290.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T10:00Z</forecast-time>
          <at>-5.85</at>
          <td>-6.53</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.50</ws>
          <ap>992.35</ap>
          <cc>7</cc>
          <wd>293.34</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T11:00Z</forecast-time>
          <at>-6.28</at>
          <td>-7.02</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.31</ws>
          <ap>992.75</ap>
          <cc>7</cc>
          <wd>289.48</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T12:00Z</forecast-time>
          <at>-6.31</at>
          <td>-7.26</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.81</ws>
          <ap>993.15</ap>
          <cc>6</cc>
          <wd>287.91</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T13:00Z</forecast-time>
          <at>-6.51</at>
          <td>-7.29</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>18.49</ws>
          <ap>993.40</ap>
          <cc>6</cc>
          <wd>290.89</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T14:00Z</forecast-time>
          <at>-6.29</at>
          <td>-7.41</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>19.27</ws>
          <ap>993.65</ap>
          <cc>7</cc>
          <wd>293.81</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T15:00Z</forecast-time>
          <at>-4.84</at>
          <td>-5.99</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>22.08</ws>
          <ap>993.89</ap>
          <cc>6</cc>
          <wd>292.63</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T16:00Z</forecast-time>
          <at>-3.52</at>
          <td>-4.44</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>21.90</ws>
          <ap>992.78</ap>
          <cc>7</cc>
          <wd>298.27</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T17:00Z</forecast-time>
          <at>-2.73</at>
          <td>-3.84</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>23.28</ws>
          <ap>992.80</ap>
          <cc>7</cc>
          <wd>298.13</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T18:00Z</forecast-time>
          <at>-2.26</at>
          <td>-4.15</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>24.70</ws>
          <ap>992.81</ap>
          <cc>7</cc>
          <wd>295.52</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T19:00Z</forecast-time>
          <at>-1.53</at>
          <td>-3.47</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>25.73</ws>
          <ap>992.54</ap>
          <cc>7</cc>
          <wd>301.73</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T20:00Z</forecast-time>
          <at>-0.91</at>
          <td>-3.50</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>27.22</ws>
          <ap>992.28</ap>
          <cc>7</cc>
          <wd>300.10</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T21:00Z</forecast-time>
          <at>-1.48</at>
          <td>-4.71</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>27.04</ws>
          <ap>992.02</ap>
          <cc>6</cc>
          <wd>299.71</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T22:00Z</forecast-time>
          <at>-1.43</at>
          <td>-4.40</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>24.64</ws>
          <ap>992.30</ap>
          <cc>7</cc>
          <wd>302.77</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-16T23:00Z</forecast-time>
          <at>-2.26</at>
          <td>-4.83</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>20.93</ws>
          <ap>992.58</ap>
          <cc>7</cc>
          <wd>299.33</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T00:00Z</forecast-time>
          <at>-3.43</at>
          <td>-5.79</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>19.56</ws>
          <ap>992.85</ap>
          <cc>5</cc>
          <wd>295.44</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T01:00Z</forecast-time>
          <at>-3.88</at>
          <td>-5.01</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>18.69</ws>
          <ap>993.14</ap>
          <cc>7</cc>
          <wd>303.88</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T02:00Z</forecast-time>
          <at>-4.13</at>
          <td>-5.18</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>20.33</ws>
          <ap>993.43</ap>
          <cc>7</cc>
          <wd>304.81</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T03:00Z</forecast-time>
          <at>-4.62</at>
          <td>-6.56</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>18.51</ws>
          <ap>993.72</ap>
          <cc>4</cc>
          <wd>302.74</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T04:00Z</forecast-time>
          <at>-4.87</at>
          <td>-6.59</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>16.78</ws>
          <ap>993.83</ap>
          <cc>6</cc>
          <wd>303.44</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T05:00Z</forecast-time>
          <at>-5.77</at>
          <td>-7.10</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.59</ws>
          <ap>993.95</ap>
          <cc>6</cc>
          <wd>305.27</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T06:00Z</forecast-time>
          <at>-5.95</at>
          <td>-7.01</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.71</ws>
          <ap>994.06</ap>
          <cc>5</cc>
          <wd>296.56</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T07:00Z</forecast-time>
          <at>-6.84</at>
          <td>-7.56</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>13.79</ws>
          <ap>993.87</ap>
          <cc>7</cc>
          <wd>302.30</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T08:00Z</forecast-time>
          <at>-7.29</at>
          <td>-8.06</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.13</ws>
          <ap>993.67</ap>
          <cc>7</cc>
          <wd>304.42</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T09:00Z</forecast-time>
          <at>-7.30</at>
          <td>-8.08</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.00</ws>
          <ap>993.47</ap>
          <cc>6</cc>
          <wd>296.12</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T10:00Z</forecast-time>
          <at>-7.57</at>
          <td>-8.87</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.55</ws>
          <ap>993.52</ap>
          <cc>7</cc>
          <wd>304.56</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T11:00Z</forecast-time>
          <at>-7.97</at>
          <td>-9.36</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.19</ws>
          <ap>993.56</ap>
          <cc>7</cc>
          <wd>293.96</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T12:00Z</forecast-time>
          <at>-7.96</at>
          <td>-9.31</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.54</ws>
          <ap>993.60</ap>
          <cc>6</cc>
          <wd>288.96</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T13:00Z</forecast-time>
          <at>-8.93</at>
          <td>-9.87</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.72</ws>
          <ap>994.09</ap>
          <cc>7</cc>
          <wd>295.84</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T14:00Z</forecast-time>
          <at>-8.57</at>
          <td>-9.19</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.21</ws>
          <ap>994.58</ap>
          <cc>7</cc>
          <wd>297.80</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T15:00Z</forecast-time>
          <at>-7.19</at>
          <td>-8.11</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.76</ws>
          <ap>995.07</ap>
          <cc>7</cc>
          <wd>293.53</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T16:00Z</forecast-time>
          <at>-5.73</at>
          <td>-7.18</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>15.24</ws>
          <ap>994.80</ap>
          <cc>7</cc>
          <wd>298.75</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T17:00Z</forecast-time>
          <at>-4.44</at>
          <td>-6.46</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>16.88</ws>
          <ap>994.52</ap>
          <cc>7</cc>
          <wd>294.64</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T18:00Z</forecast-time>
          <at>-3.75</at>
          <td>-6.18</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.99</ws>
          <ap>994.24</ap>
          <cc>6</cc>
          <wd>290.47</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T19:00Z</forecast-time>
          <at>-3.22</at>
          <td>-5.71</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>19.02</ws>
          <ap>993.80</ap>
          <cc>7</cc>
          <wd>296.03</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T20:00Z</forecast-time>
          <at>-2.37</at>
          <td>-5.24</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>20.51</ws>
          <ap>993.36</ap>
          <cc>7</cc>
          <wd>292.77</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T21:00Z</forecast-time>
          <at>-2.67</at>
          <td>-5.97</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>20.83</ws>
          <ap>992.92</ap>
          <cc>7</cc>
          <wd>293.07</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T22:00Z</forecast-time>
          <at>-2.38</at>
          <td>-5.81</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>17.52</ws>
          <ap>993.24</ap>
          <cc>6</cc>
          <wd>292.90</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-17T23:00Z</forecast-time>
          <at>-2.58</at>
          <td>-5.92</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>13.60</ws>
          <ap>993.56</ap>
          <cc>6</cc>
          <wd>292.51</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T00:00Z</forecast-time>
          <at>-3.84</at>
          <td>-6.60</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.70</ws>
          <ap>993.88</ap>
          <cc>6</cc>
          <wd>290.84</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T01:00Z</forecast-time>
          <at>-3.84</at>
          <td>-5.26</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.22</ws>
          <ap>994.16</ap>
          <cc>6</cc>
          <wd>299.42</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T02:00Z</forecast-time>
          <at>-4.05</at>
          <td>-5.51</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.33</ws>
          <ap>994.45</ap>
          <cc>6</cc>
          <wd>302.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T03:00Z</forecast-time>
          <at>-4.63</at>
          <td>-6.16</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>10.23</ws>
          <ap>994.74</ap>
          <cc>2</cc>
          <wd>310.98</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T04:00Z</forecast-time>
          <at>-5.17</at>
          <td>-6.36</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>9.59</ws>
          <ap>994.84</ap>
          <cc>2</cc>
          <wd>300.28</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T05:00Z</forecast-time>
          <at>-5.93</at>
          <td>-6.78</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>8.94</ws>
          <ap>994.93</ap>
          <cc>4</cc>
          <wd>297.20</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T06:00Z</forecast-time>
          <at>-6.00</at>
          <td>-6.79</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>9.93</ws>
          <ap>995.02</ap>
          <cc>4</cc>
          <wd>292.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T07:00Z</forecast-time>
          <at>-7.10</at>
          <td>-7.91</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>8.34</ws>
          <ap>995.02</ap>
          <cc>7</cc>
          <wd>294.29</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T08:00Z</forecast-time>
          <at>-6.85</at>
          <td>-8.25</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>9.37</ws>
          <ap>995.02</ap>
          <cc>5</cc>
          <wd>294.42</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T09:00Z</forecast-time>
          <at>-6.85</at>
          <td>-8.13</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>10.25</ws>
          <ap>995.02</ap>
          <cc>4</cc>
          <wd>293.90</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T10:00Z</forecast-time>
          <at>-6.93</at>
          <td>-8.77</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>6.82</ws>
          <ap>995.38</ap>
          <cc>4</cc>
          <wd>294.05</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T11:00Z</forecast-time>
          <at>-7.48</at>
          <td>-9.24</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>6.63</ws>
          <ap>995.75</ap>
          <cc>3</cc>
          <wd>278.30</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T12:00Z</forecast-time>
          <at>-7.75</at>
          <td>-9.31</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>6.83</ws>
          <ap>996.11</ap>
          <cc>4</cc>
          <wd>275.33</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T13:00Z</forecast-time>
          <at>-8.03</at>
          <td>-9.55</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>6.95</ws>
          <ap>996.52</ap>
          <cc>4</cc>
          <wd>278.95</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T14:00Z</forecast-time>
          <at>-7.64</at>
          <td>-9.20</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>7.28</ws>
          <ap>996.94</ap>
          <cc>3</cc>
          <wd>284.07</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T15:00Z</forecast-time>
          <at>-6.53</at>
          <td>-7.94</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.31</ws>
          <ap>997.35</ap>
          <cc>2</cc>
          <wd>283.62</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T16:00Z</forecast-time>
          <at>-4.65</at>
          <td>-6.66</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>9.17</ws>
          <ap>997.07</ap>
          <cc>3</cc>
          <wd>284.99</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T17:00Z</forecast-time>
          <at>-3.06</at>
          <td>-5.91</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>10.26</ws>
          <ap>996.80</ap>
          <cc>3</cc>
          <wd>280.79</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T18:00Z</forecast-time>
          <at>-1.98</at>
          <td>-4.90</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>10.29</ws>
          <ap>996.52</ap>
          <cc>4</cc>
          <wd>283.63</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T19:00Z</forecast-time>
          <at>-1.39</at>
          <td>-4.85</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>11.38</ws>
          <ap>996.09</ap>
          <cc>3</cc>
          <wd>282.56</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T20:00Z</forecast-time>
          <at>0.05</at>
          <td>-4.20</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.52</ws>
          <ap>995.66</ap>
          <cc>2</cc>
          <wd>281.29</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T21:00Z</forecast-time>
          <at>0.07</at>
          <td>-4.70</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>12.18</ws>
          <ap>995.23</ap>
          <cc>1</cc>
          <wd>288.76</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T22:00Z</forecast-time>
          <at>-0.79</at>
          <td>-4.70</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>9.32</ws>
          <ap>995.40</ap>
          <cc>1</cc>
          <wd>275.29</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-18T23:00Z</forecast-time>
          <at>-1.66</at>
          <td>-4.83</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>5.83</ws>
          <ap>995.57</ap>
          <cc>1</cc>
          <wd>273.00</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T00:00Z</forecast-time>
          <at>-2.19</at>
          <td>-5.21</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.17</ws>
          <ap>995.73</ap>
          <cc>1</cc>
          <wd>272.75</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T01:00Z</forecast-time>
          <at>-2.22</at>
          <td>-5.96</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>4.43</ws>
          <ap>996.27</ap>
          <cc>3</cc>
          <wd>290.35</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T02:00Z</forecast-time>
          <at>-2.54</at>
          <td>-6.04</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>5.96</ws>
          <ap>996.48</ap>
          <cc>5</cc>
          <wd>300.35</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T03:00Z</forecast-time>
          <at>-2.89</at>
          <td>-6.23</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>4.65</ws>
          <ap>996.68</ap>
          <cc>6</cc>
          <wd>313.14</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T04:00Z</forecast-time>
          <at>-4.40</at>
          <td>-6.22</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>4.75</ws>
          <ap>996.85</ap>
          <cc>5</cc>
          <wd>303.98</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T05:00Z</forecast-time>
          <at>-3.85</at>
          <td>-6.56</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.13</ws>
          <ap>997.01</ap>
          <cc>5</cc>
          <wd>305.88</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T06:00Z</forecast-time>
          <at>-4.37</at>
          <td>-6.76</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.90</ws>
          <ap>997.17</ap>
          <cc>4</cc>
          <wd>302.98</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T07:00Z</forecast-time>
          <at>-5.19</at>
          <td>-7.33</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.49</ws>
          <ap>997.09</ap>
          <cc>5</cc>
          <wd>314.79</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T08:00Z</forecast-time>
          <at>-5.31</at>
          <td>-6.50</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>5.78</ws>
          <ap>997.01</ap>
          <cc>5</cc>
          <wd>318.87</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T09:00Z</forecast-time>
          <at>-5.26</at>
          <td>-7.45</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>7.27</ws>
          <ap>996.92</ap>
          <cc>6</cc>
          <wd>341.21</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T10:00Z</forecast-time>
          <at>-5.18</at>
          <td>-7.50</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.27</ws>
          <ap>996.86</ap>
          <cc>6</cc>
          <wd>357.06</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T11:00Z</forecast-time>
          <at>-5.72</at>
          <td>-7.77</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>2.11</ws>
          <ap>996.79</ap>
          <cc>6</cc>
          <wd>25.69</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T12:00Z</forecast-time>
          <at>-6.28</at>
          <td>-7.38</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>2.29</ws>
          <ap>996.73</ap>
          <cc>6</cc>
          <wd>58.46</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T13:00Z</forecast-time>
          <at>-6.17</at>
          <td>-8.06</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>2.12</ws>
          <ap>996.88</ap>
          <cc>7</cc>
          <wd>64.57</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T14:00Z</forecast-time>
          <at>-5.72</at>
          <td>-7.82</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>1.38</ws>
          <ap>997.02</ap>
          <cc>7</cc>
          <wd>54.12</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T15:00Z</forecast-time>
          <at>-4.23</at>
          <td>-6.87</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>4.71</ws>
          <ap>997.17</ap>
          <cc>7</cc>
          <wd>48.64</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T16:00Z</forecast-time>
          <at>-3.96</at>
          <td>-6.22</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>3.28</ws>
          <ap>997.07</ap>
          <cc>7</cc>
          <wd>50.99</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T17:00Z</forecast-time>
          <at>-3.18</at>
          <td>-5.45</td>
          <ra>0.89</ra>
          <sn>0.00</sn>
          <ws>4.71</ws>
          <ap>996.97</ap>
          <cc>7</cc>
          <wd>18.20</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T18:00Z</forecast-time>
          <at>-2.60</at>
          <td>-3.60</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.15</ws>
          <ap>996.87</ap>
          <cc>7</cc>
          <wd>0.92</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T19:00Z</forecast-time>
          <at>-2.18</at>
          <td>-5.02</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>6.13</ws>
          <ap>996.14</ap>
          <cc>7</cc>
          <wd>10.74</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T20:00Z</forecast-time>
          <at>-0.91</at>
          <td>-4.94</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>7.37</ws>
          <ap>995.41</ap>
          <cc>7</cc>
          <wd>359.72</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T21:00Z</forecast-time>
          <at>-0.78</at>
          <td>-4.94</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>7.77</ws>
          <ap>994.69</ap>
          <cc>7</cc>
          <wd>12.23</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T22:00Z</forecast-time>
          <at>-0.76</at>
          <td>-4.61</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.69</ws>
          <ap>995.20</ap>
          <cc>7</cc>
          <wd>20.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-19T23:00Z</forecast-time>
          <at>-1.12</at>
          <td>-4.62</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>3.84</ws>
          <ap>995.71</ap>
          <cc>7</cc>
          <wd>358.53</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T00:00Z</forecast-time>
          <at>-1.32</at>
          <td>-4.63</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>4.01</ws>
          <ap>996.23</ap>
          <cc>7</cc>
          <wd>351.25</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T01:00Z</forecast-time>
          <at>-1.72</at>
          <td>-5.06</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>3.72</ws>
          <ap>996.27</ap>
          <cc>7</cc>
          <wd>357.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T02:00Z</forecast-time>
          <at>-2.14</at>
          <td>-5.35</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.07</ws>
          <ap>996.32</ap>
          <cc>7</cc>
          <wd>350.06</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T03:00Z</forecast-time>
          <at>-2.71</at>
          <td>-5.48</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>3.89</ws>
          <ap>996.36</ap>
          <cc>6</cc>
          <wd>355.79</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T04:00Z</forecast-time>
          <at>-3.64</at>
          <td>-5.35</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.43</ws>
          <ap>996.37</ap>
          <cc>6</cc>
          <wd>346.53</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T05:00Z</forecast-time>
          <at>-4.05</at>
          <td>-6.20</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>6.98</ws>
          <ap>996.38</ap>
          <cc>4</cc>
          <wd>336.08</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T06:00Z</forecast-time>
          <at>-4.60</at>
          <td>-6.53</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>7.79</ws>
          <ap>996.38</ap>
          <cc>3</cc>
          <wd>333.96</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T07:00Z</forecast-time>
          <at>-5.30</at>
          <td>-7.23</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>8.97</ws>
          <ap>996.48</ap>
          <cc>3</cc>
          <wd>335.48</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T08:00Z</forecast-time>
          <at>-5.60</at>
          <td>-7.24</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>9.99</ws>
          <ap>996.58</ap>
          <cc>1</cc>
          <wd>336.97</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T09:00Z</forecast-time>
          <at>-5.51</at>
          <td>-6.95</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>12.44</ws>
          <ap>996.68</ap>
          <cc>0</cc>
          <wd>331.67</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T10:00Z</forecast-time>
          <at>-5.57</at>
          <td>-7.01</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>8.87</ws>
          <ap>996.92</ap>
          <cc>0</cc>
          <wd>331.85</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T11:00Z</forecast-time>
          <at>-6.24</at>
          <td>-7.34</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>8.20</ws>
          <ap>997.16</ap>
          <cc>0</cc>
          <wd>317.48</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T12:00Z</forecast-time>
          <at>-6.74</at>
          <td>-7.30</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>7.06</ws>
          <ap>997.40</ap>
          <cc>0</cc>
          <wd>313.68</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T13:00Z</forecast-time>
          <at>-6.62</at>
          <td>-7.68</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>7.55</ws>
          <ap>998.03</ap>
          <cc>0</cc>
          <wd>314.13</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T14:00Z</forecast-time>
          <at>-6.60</at>
          <td>-7.65</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>8.00</ws>
          <ap>998.67</ap>
          <cc>0</cc>
          <wd>312.70</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T15:00Z</forecast-time>
          <at>-5.36</at>
          <td>-6.95</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>9.93</ws>
          <ap>999.31</ap>
          <cc>0</cc>
          <wd>306.25</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T16:00Z</forecast-time>
          <at>-3.42</at>
          <td>-7.02</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>10.82</ws>
          <ap>999.34</ap>
          <cc>0</cc>
          <wd>305.56</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T17:00Z</forecast-time>
          <at>-2.02</at>
          <td>-6.57</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>11.91</ws>
          <ap>999.37</ap>
          <cc>0</cc>
          <wd>302.96</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T18:00Z</forecast-time>
          <at>-1.02</at>
          <td>-6.43</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>12.13</ws>
          <ap>999.40</ap>
          <cc>0</cc>
          <wd>301.25</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T19:00Z</forecast-time>
          <at>-0.58</at>
          <td>-6.44</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>12.36</ws>
          <ap>999.25</ap>
          <cc>0</cc>
          <wd>305.69</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T20:00Z</forecast-time>
          <at>-0.34</at>
          <td>-6.38</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>13.26</ws>
          <ap>999.09</ap>
          <cc>0</cc>
          <wd>306.08</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T21:00Z</forecast-time>
          <at>0.08</at>
          <td>-6.48</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>12.39</ws>
          <ap>998.93</ap>
          <cc>0</cc>
          <wd>313.77</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T22:00Z</forecast-time>
          <at>-0.45</at>
          <td>-6.16</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>10.33</ws>
          <ap>999.03</ap>
          <cc>0</cc>
          <wd>313.98</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-20T23:00Z</forecast-time>
          <at>-1.36</at>
          <td>-6.22</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>6.09</ws>
          <ap>999.13</ap>
          <cc>0</cc>
          <wd>313.53</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T00:00Z</forecast-time>
          <at>-2.57</at>
          <td>-6.28</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.25</ws>
          <ap>999.23</ap>
          <cc>0</cc>
          <wd>317.15</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T01:00Z</forecast-time>
          <at>-3.10</at>
          <td>-6.31</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.05</ws>
          <ap>999.55</ap>
          <cc>0</cc>
          <wd>328.29</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T02:00Z</forecast-time>
          <at>-3.48</at>
          <td>-6.57</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>3.32</ws>
          <ap>999.88</ap>
          <cc>0</cc>
          <wd>329.98</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T03:00Z</forecast-time>
          <at>-3.99</at>
          <td>-6.30</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.78</ws>
          <ap>1000.20</ap>
          <cc>0</cc>
          <wd>337.01</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T04:00Z</forecast-time>
          <at>-4.61</at>
          <td>-6.00</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.77</ws>
          <ap>1000.56</ap>
          <cc>1</cc>
          <wd>336.10</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T05:00Z</forecast-time>
          <at>-4.97</at>
          <td>-6.79</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.82</ws>
          <ap>1000.93</ap>
          <cc>2</cc>
          <wd>342.19</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T06:00Z</forecast-time>
          <at>-5.23</at>
          <td>-6.56</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>4.53</ws>
          <ap>1001.30</ap>
          <cc>3</cc>
          <wd>349.58</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T07:00Z</forecast-time>
          <at>-5.78</at>
          <td>-6.90</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.38</ws>
          <ap>1001.44</ap>
          <cc>5</cc>
          <wd>355.84</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T08:00Z</forecast-time>
          <at>-5.28</at>
          <td>-6.59</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>4.02</ws>
          <ap>1001.59</ap>
          <cc>6</cc>
          <wd>3.52</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T09:00Z</forecast-time>
          <at>-5.19</at>
          <td>-6.90</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.78</ws>
          <ap>1001.73</ap>
          <cc>7</cc>
          <wd>11.49</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T10:00Z</forecast-time>
          <at>-5.10</at>
          <td>-7.01</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>1.82</ws>
          <ap>1001.65</ap>
          <cc>7</cc>
          <wd>9.57</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T11:00Z</forecast-time>
          <at>-5.59</at>
          <td>-7.16</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>0.73</ws>
          <ap>1001.56</ap>
          <cc>7</cc>
          <wd>1.14</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T12:00Z</forecast-time>
          <at>-6.55</at>
          <td>-7.41</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>0.24</ws>
          <ap>1001.48</ap>
          <cc>7</cc>
          <wd>36.55</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T13:00Z</forecast-time>
          <at>-5.50</at>
          <td>-7.35</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>0.06</ws>
          <ap>1001.67</ap>
          <cc>6</cc>
          <wd>58.70</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T14:00Z</forecast-time>
          <at>-5.25</at>
          <td>-7.46</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>0.00</ws>
          <ap>1001.86</ap>
          <cc>5</cc>
          <wd>62.87</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T15:00Z</forecast-time>
          <at>-4.05</at>
          <td>-6.76</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.05</ws>
          <ap>1002.05</ap>
          <cc>4</cc>
          <wd>60.20</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T16:00Z</forecast-time>
          <at>-3.01</at>
          <td>-6.19</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.37</ws>
          <ap>1001.70</ap>
          <cc>4</cc>
          <wd>72.01</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T17:00Z</forecast-time>
          <at>-1.67</at>
          <td>-5.72</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>4.40</ws>
          <ap>1001.36</ap>
          <cc>4</cc>
          <wd>65.82</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T18:00Z</forecast-time>
          <at>-0.48</at>
          <td>-5.52</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.05</ws>
          <ap>1001.01</ap>
          <cc>4</cc>
          <wd>73.42</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T19:00Z</forecast-time>
          <at>0.00</at>
          <td>-5.43</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>8.56</ws>
          <ap>1000.38</ap>
          <cc>5</cc>
          <wd>54.74</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T20:00Z</forecast-time>
          <at>0.49</at>
          <td>-4.26</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>10.01</ws>
          <ap>999.75</ap>
          <cc>6</cc>
          <wd>68.26</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T21:00Z</forecast-time>
          <at>0.61</at>
          <td>-5.04</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>9.74</ws>
          <ap>999.12</ap>
          <cc>7</cc>
          <wd>104.19</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T22:00Z</forecast-time>
          <at>0.17</at>
          <td>-4.78</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>5.57</ws>
          <ap>998.86</ap>
          <cc>7</cc>
          <wd>99.94</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-21T23:00Z</forecast-time>
          <at>-0.73</at>
          <td>-4.66</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>4.66</ws>
          <ap>998.61</ap>
          <cc>7</cc>
          <wd>68.06</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T00:00Z</forecast-time>
          <at>-1.35</at>
          <td>-4.48</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>1.29</ws>
          <ap>998.35</ap>
          <cc>7</cc>
          <wd>71.11</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T01:00Z</forecast-time>
          <at>-1.57</at>
          <td>-3.87</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>0.71</ws>
          <ap>998.49</ap>
          <cc>7</cc>
          <wd>69.08</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T02:00Z</forecast-time>
          <at>-1.71</at>
          <td>-3.61</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>1.60</ws>
          <ap>998.62</ap>
          <cc>7</cc>
          <wd>52.88</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T03:00Z</forecast-time>
          <at>-2.06</at>
          <td>-3.77</td>
          <ra>0.96</ra>
          <sn>0.00</sn>
          <ws>2.15</ws>
          <ap>998.76</ap>
          <cc>7</cc>
          <wd>49.43</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T04:00Z</forecast-time>
          <at>-2.74</at>
          <td>-3.74</td>
          <ra>1.01</ra>
          <sn>0.00</sn>
          <ws>3.43</ws>
          <ap>998.14</ap>
          <cc>7</cc>
          <wd>60.35</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T05:00Z</forecast-time>
          <at>-2.41</at>
          <td>-3.41</td>
          <ra>1.07</ra>
          <sn>0.00</sn>
          <ws>2.79</ws>
          <ap>997.52</ap>
          <cc>7</cc>
          <wd>46.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T06:00Z</forecast-time>
          <at>-2.34</at>
          <td>-3.34</td>
          <ra>1.14</ra>
          <sn>0.00</sn>
          <ws>6.11</ws>
          <ap>996.90</ap>
          <cc>7</cc>
          <wd>61.59</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T07:00Z</forecast-time>
          <at>-3.00</at>
          <td>-4.00</td>
          <ra>1.20</ra>
          <sn>0.00</sn>
          <ws>3.03</ws>
          <ap>996.66</ap>
          <cc>8</cc>
          <wd>57.76</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T08:00Z</forecast-time>
          <at>-3.07</at>
          <td>-4.07</td>
          <ra>1.25</ra>
          <sn>0.00</sn>
          <ws>6.17</ws>
          <ap>996.41</ap>
          <cc>7</cc>
          <wd>38.66</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T09:00Z</forecast-time>
          <at>-3.14</at>
          <td>-5.20</td>
          <ra>1.25</ra>
          <sn>0.00</sn>
          <ws>7.93</ws>
          <ap>996.16</ap>
          <cc>8</cc>
          <wd>37.35</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T10:00Z</forecast-time>
          <at>-3.29</at>
          <td>-5.34</td>
          <ra>1.25</ra>
          <sn>0.00</sn>
          <ws>4.72</ws>
          <ap>995.88</ap>
          <cc>8</cc>
          <wd>41.88</wd>
      </prediction>
      <prediction>
          <forecast-time>2010-02-22T11:00Z</forecast-time>
          <at>-3.59</at>
          <td>-5.47</td>
          <ra>1.25</ra>
          <sn>0.00</sn>
          <ws>6.05</ws>
          <ap>995.59</ap>
          <cc>8</cc>
          <wd>50.53</wd>
      </prediction>
  </prediction-list>
</forecast>
<?xml version ="1.0" ?>
<observation>
 <header>
  <filetype>rwis-observation</filetype>
  <version>1.0</version>
  <road-station>74560042</road-station>
 </header>
 <measure-list>
  <measure>
    <observation-time>2010-02-15T17:00Z</observation-time>
    <at>9999.00</at>
    <td>9999.00</td>
    <pi>9999.00</pi>
    <ws>9999.00</ws>
    <sc>9999.00</sc>
    <st>-0.90</st>
    <sst>-3.81</sst>
  </measure>
  <measure>
    <observation-time>2010-02-15T18:00Z</observation-time>
    <at>9999.00</at>
    <td>9999.00</td>
    <pi>9999.00</pi>
    <ws>16.28</ws>
    <sc>9999.00</sc>
    <st>0.01</st>
    <sst>9999.00</sst>
  </measure>
 </measure-list>
</observation>
<?xml version ="1.0" ?>
<station>
  <header>
      <filetype>rwis-configuration</filetype>
      <version>1.0</version>
      <road-station>74560042</road-station>
      <time-zone>CST6CDT</time-zone>
      <production-date>2010-02-15T18:52Z</production-date>
      <coordinate>
          <latitude>40.16</latitude>
          <longitude>-89.42</longitude>
      </coordinate>
      <station-type>road</station-type>
  </header>
  <roadlayer-list>
      <roadlayer>
          <position>1</position>
          <type>cement</type>
          <thickness>0.2540</thickness>
      </roadlayer>
      <roadlayer>
          <position>2</position>
          <type>crushed rock</type>
          <thickness>0.3048</thickness>
      </roadlayer>
  </roadlayer-list>
</station>
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