ALERT: No maps available for GFS run 18 UTC Tue 18 Dec 2018. Defaulting to 12 UTC Fri 26 Apr 2024.
ALERT: Maps for forecast hour 312 do not exist, defaulting to fhour = 24.
Valid: 12 UTC Sat 27 Apr 2024
ERROR: Parameter EHI unavailable for GFS forecast hour 24.