ALERT: No maps available for GFS run 06 UTC Tue 20 Nov 2018. Defaulting to 00 UTC Sat 20 Apr 2024.
ALERT: Maps for forecast hour 108 do not exist, defaulting to fhour = 78.
Valid: 06 UTC Tue 23 Apr 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 78.