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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 00Z 054
GFS-HR 00Z 054
NAM 00Z 084
RAP 02Z 021
ECMWF 00Z 240
GEFS 00Z 018
CMC 12Z 240
ECMEPS 00Z 240

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