ALERT: No maps available for GFS run 18 UTC Thu 02 May 2024. Defaulting to 06 UTC Fri 17 May 2024.
ALERT: Maps for forecast hour 300 do not exist, defaulting to fhour = 39.
Valid: 21 UTC Sat 18 May 2024
ERROR: Parameter RELV unavailable for GFS forecast hour 39.