ALERT: No maps available for GFS run 18 UTC Sat 27 Apr 2024. Defaulting to 06 UTC Sun 12 May 2024.
ALERT: Maps for forecast hour 336 do not exist, defaulting to fhour = 216.
Valid: 06 UTC Tue 21 May 2024
ERROR: Parameter RELV unavailable for GFS forecast hour 216.