ALERT: No maps available for GFS run 06 UTC Thu 28 May 2020. Defaulting to 06 UTC Tue 14 May 2024.
ALERT: Maps for forecast hour 336 do not exist, defaulting to fhour = 252.
Valid: 18 UTC Fri 24 May 2024
ERROR: Parameter VVELD unavailable for GFS forecast hour 252.