ALERT: No maps available for GFS run 06 UTC Tue 16 Jul 2024. Defaulting to 18 UTC Sat 24 Aug 2024.
ALERT: Maps for forecast hour 336 do not exist, defaulting to fhour = 252.
Valid: 06 UTC Wed 04 Sep 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 252.