ALERT: No maps available for GFS run 18 UTC Tue 26 May 2020. Defaulting to 00 UTC Tue 14 May 2024.
ALERT: Maps for forecast hour 33 do not exist, defaulting to fhour = 15.
Valid: 15 UTC Tue 14 May 2024
ERROR: Parameter CREF unavailable for GFS forecast hour 15.