ALERT: No maps available for GFS run 18 UTC Wed 13 Dec 2017. Defaulting to 00 UTC Fri 24 May 2024.
ALERT: Maps for forecast hour 24 do not exist, defaulting to fhour = 21.
Valid: 21 UTC Fri 24 May 2024
ERROR: Parameter VVELD unavailable for GFS forecast hour 21.