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NAM 1000-950mb Thickness Map Unavailable
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About This Map

Thickness is the difference between the geopotential heights at two levels of the atmosphere at a given moment. The black line on each map denotes roughly where the freezing line is for that section of the atmosphere. Thickness anomaly is the departure of the thickness from average. On our weather maps, thickness and thickness anomaly are given in decameters.

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Map Status


Model Run Hour
GFS 18Z 237
GFS-HR 18Z 237
NAM 18Z 084
RAP 21Z 021
ECMWF 00Z 240
GEFS 18Z 114
CMC 12Z 240

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