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 336 do not exist, defaulting to fhour = 78.
Valid: 06 UTC Mon 29 Apr 2024
ERROR: Parameter SSPD unavailable for GFS forecast hour 78.