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2024-10-31 18Z 2024-10-31 12Z 2024-10-31 06Z 2024-10-31 00Z 2024-10-30 18Z 2024-10-30 12Z 2024-10-30 06Z 2024-10-30 00Z 2024-10-29 18Z 2024-10-29 12Z 2024-10-29 06Z 2024-10-29 00Z 500mb Absolute Vorticity Cloud Cover 2m Dew Point 500mb Geopotential Height 500mb Geopotential Height Anomaly Mean Sea Level Pressure 2m Relative Humidity 700mb Relative Humidity 850mb Relative Humidity Sfc Snow Cover 3-hr Sfc Snow Cover Change 6-hr Sfc Snow Cover Change 12-hr Sfc Snow Cover Change 24-hr Sfc Snow Cover Change Total Sfc Snow Cover Change of Period Sfc Snow Depth 3-hr Sfc Snow Depth Change 6-hr Sfc Snow Depth Change 12-hr Sfc Snow Depth Change 24-hr Sfc Snow Depth Change Total Sfc Snow Depth Change of Period 2m Temperature 2m Temperature Anomaly 850mb Temperature 1000-500mb Thickness 1000-700mb Thickness 1000-850mb Thickness 850-700mb Thickness 700-500mb Thickness 1000-500mb Thickness Anomaly 10m Wind 300mb Wind Loop 0h 3h 6h 9h 12h 15h 18h 21h 24h 27h 30h 33h 36h 39h 42h 45h 48h 51h 54h 57h 60h 63h 66h 69h 72h 75h 78h 81h 84h 87h 90h 93h 96h 99h 102h 105h 108h 111h 114h 117h 120h 123h 126h 129h 132h 135h 138h 141h 144h 147h 150h 153h 156h 159h 162h 165h 168h 171h 174h 177h 180h 183h 186h 189h 192h 195h 198h 201h 204h 207h 210h 213h 216h 219h 222h 225h 228h 231h 234h 237h 240h 252h 264h 276h 288h 300h 312h 324h 336h 348h 360h 372h 384h            Previous    Next

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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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