An Arctic Outbreak; Heavy Lake Effect Snow in the Great Lakes Region

An Arctic outbreak of cold air will expand south and east from the northern Plains through the Midwest and persist into next week. Dangerously cold wind chills are expected in the Northern Plains and Upper Midwest. Heavy lake-effect snow bands and snow showers have developed downwind of the Great Lakes, and will continue into next week. Travel could be very difficult to impossible. Read More >

Pictures from around western Colorado and eastern Utah

PRODUCTS | AVALANCHE | LIGHTNING POTENTIAL | HYDROLOGY | MODEL

Graphics

WRF*	GFS**	NAM
GFSLR***	RAP	ECMWF
NOGAPS	RAMS	MM5
CANADIAN	UKMET	RUC II
NWS Standard Barotropic Level Charts
* Formerly known as the NAM/ETA \| Formerly known as the AVN \| * Formerly known as the MRF

Tabular Output

(Based on NGM Output)	(Based on AVN Output)
(Based on ETA Output)	(Based on MRF Output)

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An Arctic Outbreak; Heavy Lake Effect Snow in the Great Lakes Region

Model Data Links