ALERT: No maps available for GFS run 00 UTC Mon 20 Aug 2018. Defaulting to 06 UTC Sat 04 May 2024.
ALERT: Maps for forecast hour 312 do not exist, defaulting to fhour = 180.
Valid: 18 UTC Sat 11 May 2024
ERROR: Parameter RELV unavailable for GFS forecast hour 180.