ALERT: No maps available for GFS run 18 UTC Mon 13 May 2024. Defaulting to 06 UTC Tue 28 May 2024.
ALERT: Maps for forecast hour 276 do not exist, defaulting to fhour = 252.
Valid: 18 UTC Fri 07 Jun 2024
ERROR: Parameter HGT unavailable for GFS forecast hour 252.