slight correction - the LOOP2 data is more than likely software generated by weewx
On Monday, 29 July 2019 13:18:22 UTC+3, Andrew Milner wrote: > > I do not think weewx reads LOOP2 packets - so none of the LOOP2 data is > available. > > > > On Monday, 29 July 2019 12:54:52 UTC+3, Praveen Chandrasekaran wrote: >> >> Looking at below: >> >> >> https://feedback.weather.com/customer/en/portal/articles/2924682-pws-upload-protocol?b_id=17298 >> >> >> WU expects wind speed average over 2 min average and 10 min gusts and >> instantaneous speed. Did something change in this recently? Looking at >> weewx code from restx.py I am not sure if weewx uploads all these? >> >> https://github.com/weewx/weewx/blob/master/bin/weewx/restx.py >> >> winddir - [0-360 instantaneous wind direction] >> windspeedmph - [mph instantaneous wind speed] >> windgustmph - [mph current wind gust, using software specific time period] >> windgustdir - [0-360 using software specific time period] >> windspdmph_avg2m - [mph 2 minute average wind speed mph] >> winddir_avg2m - [0-360 2 minute average wind direction] >> windgustmph_10m - [mph past 10 minutes wind gust mph ] >> windgustdir_10m - [0-360 past 10 minutes wind gust direction] >> >> >> On Mon, 29 Jul 2019 at 15:10, Praveen Chandrasekaran <prave...@gmail.com> >> wrote: >> >>> Hmm. Will try. Before the WU overhaul it was showing them separately on >>> the graph though. The gust value from LOOP2 seems to be 10 min wind gust >>> while the wind speed sent out is the instantaneous wind speed from LOOP >>> packet I believe? This may explain why wind speed and wind gust are same in >>> graph. But then how does the table have different values. U never know with >>> WU! :) >>> >>> As you mentioned will set debug=1 and observe sometime. >>> >>> On Mon, 29 Jul 2019 at 12:29, Andrew Milner <andrew....@gmail.com> >>> wrote: >>> >>>> I really do not see how you can have a meaningful gust value from >>>> readings submitted every few seconds!! I see from the Davis comms >>>> protocol >>>> the gust values are in LOOP2 packets and the smallest appears to be a 2 >>>> minute gust value. >>>> >>>> Setting debug=1 may shed more light on what is actually being sent to WU >>>> >>>> >>>> >>>> On Monday, 29 July 2019 09:24:19 UTC+3, Praveen Chandrasekaran wrote: >>>>> >>>>> My weather station is Davis Vantage Vue. I believe it never emits >>>>> partial packets. >>>>> >>>>> On Friday, 26 July 2019 15:02:51 UTC+5:30, Andrew Milner wrote: >>>>>> >>>>>> i doubt it very much. what weather station do you have? >>>>>> changing the rf frequency changes the upload to wu interval but the >>>>>> station will still be being polled as before. Does the station provide >>>>>> the >>>>>> gust value in the LOOP data? If not then the gust value is an >>>>>> artificial >>>>>> one created by weewx from loop records wind speeds received. If your >>>>>> station provides partial packets as LOOP data you could always try and >>>>>> set >>>>>> the wu flag that set specifies windGust must be present before rf is >>>>>> uploaded >>>>>> >>>>>> On Friday, 26 July 2019 10:42:14 UTC+3, Praveen Chandrasekaran wrote: >>>>>>> >>>>>>> If I set rtfreq to a higher value like 5 seconds, should that >>>>>>> resolve the issue? >>>>>>> >>>>>>> On Fri, 26 Jul 2019 at 11:57, Andrew Milner <andrew....@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> if from rf it has no gusts it cannot graph them. non rf sites will >>>>>>>> provide a gust value per archive interval. who knows what wu do when >>>>>>>> they >>>>>>>> receive both rf and archive record data!! The tables may well create >>>>>>>> an >>>>>>>> artificial gust value from rf speeds, but again who knows what wu use >>>>>>>> to >>>>>>>> create the graphs!! >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Friday, 26 July 2019 09:01:30 UTC+3, Praveen Chandrasekaran >>>>>>>> wrote: >>>>>>>>> >>>>>>>>> The table somehow has it right. The graph alone is wrong. >>>>>>>>> >>>>>>>>> On Fri, 26 Jul 2019 at 11:29, Andrew Milner <andrew....@gmail.com> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> I would suspect WU ignore windgust on rapidfire because you need >>>>>>>>>> a sustained period of I think 3 seconds for the gust to count as a >>>>>>>>>> gust in >>>>>>>>>> metereological definitions - and the rf interval is probably too >>>>>>>>>> short - so >>>>>>>>>> gust will always equal speed in rf situations. >>>>>>>>>> >>>>>>>>>> On Friday, 26 July 2019 08:26:49 UTC+3, Praveen Chandrasekaran >>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>> Related wxforum post: >>>>>>>>>>> >>>>>>>>>>> https://www.wxforum.net/index.php?topic=36611.msg386071#msg386071 >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Friday, 26 July 2019 10:45:52 UTC+5:30, Praveen >>>>>>>>>>> Chandrasekaran wrote: >>>>>>>>>>>> >>>>>>>>>>>> Hi, >>>>>>>>>>>> >>>>>>>>>>>> I am seeing that on stations with rapdifire, WU is not >>>>>>>>>>>> differentiating wind speed and wind gust in graph correctly. >>>>>>>>>>>> However in >>>>>>>>>>>> stations without rapidfire it is fine. >>>>>>>>>>>> >>>>>>>>>>>> Example my station with rapidfire: >>>>>>>>>>>> >>>>>>>>>>>> https://www.wunderground.com/dashboard/pws/IBANGALO9 >>>>>>>>>>>> >>>>>>>>>>>> Another station without rapidfire: >>>>>>>>>>>> >>>>>>>>>>>> https://www.wunderground.com/dashboard/pws/IMUMBAI16 >>>>>>>>>>>> >>>>>>>>>>>> Is this issue arising from weewx by any chance? >>>>>>>>>>>> >>>>>>>>>>>> Regards, >>>>>>>>>>>> Praveen >>>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to a topic >>>>>>>>>> in the Google Groups "weewx-user" group. >>>>>>>>>> To unsubscribe from this topic, visit >>>>>>>>>> https://groups.google.com/d/topic/weewx-user/E5uzJiv_ThY/unsubscribe >>>>>>>>>> . >>>>>>>>>> To unsubscribe from this group and all its topics, send an email >>>>>>>>>> to weewx...@googlegroups.com. >>>>>>>>>> To view this discussion on the web visit >>>>>>>>>> https://groups.google.com/d/msgid/weewx-user/51caf745-7385-40f9-ad35-81cfed29553e%40googlegroups.com >>>>>>>>>> >>>>>>>>>> <https://groups.google.com/d/msgid/weewx-user/51caf745-7385-40f9-ad35-81cfed29553e%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>>>> . >>>>>>>>>> >>>>>>>>> -- >>>>>>>> You received this message because you are subscribed to a topic in >>>>>>>> the Google Groups "weewx-user" group. >>>>>>>> To unsubscribe from this topic, visit >>>>>>>> https://groups.google.com/d/topic/weewx-user/E5uzJiv_ThY/unsubscribe >>>>>>>> . >>>>>>>> To unsubscribe from this group and all its topics, send an email to >>>>>>>> weewx...@googlegroups.com. >>>>>>>> To view this discussion on the web visit >>>>>>>> https://groups.google.com/d/msgid/weewx-user/e1c86274-2f2a-4005-a3e3-8ac0d9028b66%40googlegroups.com >>>>>>>> >>>>>>>> <https://groups.google.com/d/msgid/weewx-user/e1c86274-2f2a-4005-a3e3-8ac0d9028b66%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>> . >>>>>>>> >>>>>>> -- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "weewx-user" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/weewx-user/E5uzJiv_ThY/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> weewx...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/weewx-user/7d2e07d8-d98a-41b3-a3b4-0c9cdcea6f25%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/weewx-user/7d2e07d8-d98a-41b3-a3b4-0c9cdcea6f25%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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