Wednesday, October 24, 2012

Mountain Snows May Spill into Plains


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Oregon and California Sierra

A second wave of energy off the Pacific Coast will cross California and head through the Four Corners Region and across the Central Rockies today through tonight.  This will bring one more round of snow to the Sierra range but it is not expected to be as strong as the last system.  Snow levels will drop to 3500 to 4000 ft with another 4 to 8 inches possible through mountain passes.  A large ridge of high pressure will build in behind this system Thursday bringing an end to this bout of winter weather for the region.     

Rockies Front Range through Northern/Central Plains Wednesday Night Through Friday

A combination of factors will come together to produce significant snowfall for a good portion of Wyoming and northern Colorado this afternoon through Thursday. Snowfall totals of 8 inches or more snow likely across the region including the Sierra and Laramie Range.  Population centers such as Laramie and Cheyenne will see total snowfall in the range of 4 to 8 inches.  The I-80 corridor between Cheyenne and Laramie will see travel impacts due to snow covered roads tonight through  Thursday morning.  Farther south along the Colorado Front Range, upslope flow could produce 3 to 6 inches of snow north of I-70 late tonight through Thursday including places like Boulder.  In Denver at this time 1 to 3 inches of snow is likely late tonight through Thursday evening.  However, stay tuned because very slight changes in the low to mid level wind direction could result in more or less snowfall.


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