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#117: add example to 5.7 for multi-time dimension data
-----------------------------+------------------------------
  Reporter:  graybeal        |      Owner:  cf-conventions@…
      Type:  enhancement     |     Status:  new
  Priority:  medium          |  Milestone:
 Component:  cf-conventions  |    Version:
Resolution:                  |   Keywords:
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Comment (by jonathan):

 I've noticed two omissions to the above.

 (1) The forecast period should be named as an auxiliary coordinate
 variable:

 {{{
         temp:coordinates = "valtime reftime period" ;
 }}}

 (2) Add the following to the conformance document:

 = 4.4.2. Time coordinates for forecast data =

 Recommendations:

   * The data variable should not have more than one coordinate variable
 with dimension greater than one having any of the `standard_name`s of
 `time`, `forecast_reference_time` or `forecast_period`. It is recommended
 instead to have a single dimension, with auxiliary coordinates for these
 quantities all having this same dimension.

 Jonathan
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Ticket URL: <http://kitt.llnl.gov/trac/ticket/117#comment:3>
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