ALERT: No maps available for GFS run 18 UTC Sat 21 Jan 2017. Defaulting to 18 UTC Tue 23 Apr 2024.
ALERT: Maps for forecast hour 108 do not exist, defaulting to fhour = 96.
Valid: 18 UTC Sat 27 Apr 2024
ERROR: Parameter SRWSPD unavailable for GFS forecast hour 96.