Why is the precipitation type displayed as “Unknown” for some stations and times?
The precipitation type station forecasts are only plotted for times when GFS-LAMP is also forecasting the occurrence of precipitation (precipitation type is conditional on precipitation occurring). If the occurrence of precipitation is not being forecasted for a particular hour, the plotted precipitation type will appear as light gray for “NO PRCP.” If the occurrence of precipitation is being forecasted at a station or time where the precipitation type forecast is missing, then a dark gray box will be plotted for “UNKNOWN PTYPE.
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- Why is the precipitation type displayed as "Unknown" for some stations and times?
