ALERT: No maps available for GFS run 00 UTC Thu 13 Dec 2018. Defaulting to 12 UTC Fri 29 Mar 2024.
ALERT: Maps for forecast hour 39 do not exist, defaulting to fhour = 15.
Valid: 03 UTC Sat 30 Mar 2024
ERROR: Parameter RELV unavailable for GFS forecast hour 15.