ALERT: No maps available for NAM run 06 UTC Tue 11 Aug 2020. Defaulting to 12 UTC Tue 23 Apr 2024.
ALERT: Maps for forecast hour 57 do not exist, defaulting to fhour = 09.
Valid: 21 UTC Tue 23 Apr 2024
ERROR: Parameter HGT unavailable for NAM forecast hour 09.