Add VALID_HOUR as an option for the scorecard column

[TatianaBurek]

from Logan
11/05/2019
Is it correct that METviewer scorecards do not currently support using
VALID_HOUR in the scorecard columns?

If VALID_HOUR is not currently supported in scorecard columns, it would be
helpful for EMC if support were added to use VALID_HOUR in the scorecard
columns. We're currently evaluating the RAP/HRRR systems, which run a new
forecast every hour. With so many forecasts initialized on each day,
stratifying a scorecard by valid hour would be more informative than
stratifying by the typical FCST_LEAD.