ALERT: No maps available for GFS run 18 UTC Sun 15 Dec 2019. Defaulting to 06 UTC Thu 25 Apr 2024.
ALERT: Maps for forecast hour 36 do not exist, defaulting to fhour = 18.
Valid: 00 UTC Fri 26 Apr 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 18.