ALERT: No maps available for GFS run 06 UTC Tue 01 Dec 2020. Defaulting to 18 UTC Fri 10 May 2024.
ALERT: Maps for forecast hour 144 do not exist, defaulting to fhour = 84.
Valid: 06 UTC Tue 14 May 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 84.