ALERT: No maps available for GFS run 12 UTC Sun 31 May 2020. Defaulting to 00 UTC Sat 27 Apr 2024.
ALERT: Maps for forecast hour 276 do not exist, defaulting to fhour = 21.
Valid: 21 UTC Sat 27 Apr 2024
ERROR: Parameter SSPD unavailable for GFS forecast hour 21.