ALERT: No maps available for GFS run 06 UTC Tue 23 Apr 2024. Defaulting to 12 UTC Fri 03 May 2024.
ALERT: Maps for forecast hour 300 do not exist, defaulting to fhour = 276.
Valid: 00 UTC Wed 15 May 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 276.