ALERT: No maps available for GFS run 06 UTC Fri 21 Sep 2018. Defaulting to 12 UTC Sat 11 May 2024.
ALERT: Maps for forecast hour 81 do not exist, defaulting to fhour = 78.
Valid: 18 UTC Tue 14 May 2024
ERROR: Parameter SSPD unavailable for GFS forecast hour 78.