ALERT: No maps available for GFS run 18 UTC Sat 13 Jul 2024. Defaulting to 06 UTC Mon 12 Aug 2024.
ALERT: Maps for forecast hour 372 do not exist, defaulting to fhour = 276.
Valid: 18 UTC Fri 23 Aug 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 276.