ALERT: No maps available for GFS run 18 UTC Sat 20 Oct 2018. Defaulting to 12 UTC Thu 25 Apr 2024.
ALERT: Maps for forecast hour 51 do not exist, defaulting to fhour = 48.
Valid: 12 UTC Sat 27 Apr 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 48.