ALERT: No maps available for GFS run 00 UTC Sat 24 Aug 2019. Defaulting to 18 UTC Fri 26 Apr 2024.
ALERT: Maps for forecast hour 75 do not exist, defaulting to fhour = 72.
Valid: 18 UTC Mon 29 Apr 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 72.