ALERT: No maps available for GFS run 06 UTC Mon 17 Dec 2018. Defaulting to 00 UTC Sat 27 Apr 2024.
ALERT: Maps for forecast hour 69 do not exist, defaulting to fhour = 66.
Valid: 18 UTC Mon 29 Apr 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 66.