ALERT: No maps available for GFS run 18 UTC Sat 15 Dec 2018. Defaulting to 18 UTC Tue 23 Apr 2024.
ALERT: Maps for forecast hour 75 do not exist, defaulting to fhour = 72.
Valid: 18 UTC Fri 26 Apr 2024
ERROR: Parameter CREF unavailable for GFS forecast hour 72.