ALERT: No maps available for GFS run 18 UTC Tue 30 Apr 2024. Defaulting to 06 UTC Tue 21 May 2024.
ALERT: Maps for forecast hour 384 do not exist, defaulting to fhour = 336.
Valid: 06 UTC Tue 04 Jun 2024
ERROR: Parameter CREF unavailable for GFS forecast hour 336.