ALERT: No maps available for GFS run 18 UTC Tue 25 Sep 2018. Defaulting to 12 UTC Fri 26 Apr 2024.
ALERT: Maps for forecast hour 144 do not exist, defaulting to fhour = 102.
Valid: 18 UTC Tue 30 Apr 2024
ERROR: Parameter EHI1 unavailable for GFS forecast hour 102.