ALERT: No maps available for GFS run 18 UTC Fri 29 May 2020. Defaulting to 12 UTC Fri 24 May 2024.
ALERT: Maps for forecast hour 78 do not exist, defaulting to fhour = 39.
Valid: 03 UTC Sun 26 May 2024
ERROR: Parameter CREF unavailable for GFS forecast hour 39.