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RAP Mean Sea Level Pressure Map Unavailable
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About This Map

Mean sea level pressure is the atmospheric pressure adjusted for altitude at a given moment. When weather reports mention surface pressure or barometric pressure, they are usually referring to mean sea level pressure. Mean sea level pressure anomaly is the departure of the mean sea level pressure from average. On our weather maps, mean sea level pressure is given in millibars or inches of mercury.

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Map Status


Model Run Hour
GFS 12Z 384
GFS-HR 12Z 384
NAM 12Z 084
RAP 16Z 021
ECMWF 12Z 000
GEFS 12Z 384
CMC 12Z 015
ECMEPS 00Z 240

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