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GFS Surface Lifted Index Map Unavailable
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About This Map

Lifted index is a measurement of the stability of an air mass at a given moment. Positive values denote stable air masses, and negative values denote unstable air masses. Negative values are an indication that strong thunderstorms may occur in the area. On our weather maps, lifted index is given in kelvins.

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Map Status


Model Run Hour
GFS 18Z 027
GFS-HR 18Z 033
NAM 18Z 084
RAP 20Z 021
ECMWF 12Z 240
GEFS 12Z 384
CMC 12Z 000
ECMEPS 12Z 240

Latest News

2019-01-21: Added anomaly maps.