ALERT: No maps available for GFS run 18 UTC Wed 21 Nov 2018. Defaulting to 12 UTC Wed 24 Apr 2024.
ALERT: Maps for forecast hour 51 do not exist, defaulting to fhour = 48.
Valid: 12 UTC Fri 26 Apr 2024
ERROR: Parameter SSPD unavailable for GFS forecast hour 48.