ALERT: No maps available for GFS run 12 UTC Sun 26 Sep 2021. Defaulting to 00 UTC Fri 26 Apr 2024.
ALERT: Maps for forecast hour 12 do not exist, defaulting to fhour = 09.
Valid: 09 UTC Fri 26 Apr 2024
ERROR: Parameter RELV unavailable for GFS forecast hour 09.