ALERT: No maps available for GFS run 12 UTC Wed 19 Sep 2018. Defaulting to 00 UTC Sat 25 May 2024.
ALERT: Maps for forecast hour 312 do not exist, defaulting to fhour = 252.
Valid: 12 UTC Tue 04 Jun 2024
ERROR: Parameter VVELD unavailable for GFS forecast hour 252.