Winter Storm Warning:
Issued at: 1:52 PM MST on December 21, 2014, expires at: 8:00 AM MST on December 22, 2014
- ...Winter Storm Warning remains in effect until 8 am MST Monday... A Winter Storm Warning remains in effect until 8 am MST Monday.
- Summary and timing...snowfall will continue across Teton County through midnight...with periods of heavy snow and blowing snow across the area before weakening on Monday morning.
- Snow accumulations...2 to 4 inches have been reported so far around the southern end of the Jackson Valley with as much as 8 inches reported in Grand Teton National Park and in the higher elevations of Jackson Hole. The valley locations may see an additional 2 to 4 inches of snowfall with this system with the higher accumulations expected across the northern portion of Jackson Hole. Mountain locations could see 15 to 25 inches out of this storm...with locally higher amounts.
- Wind and visibility...wind will be strongest over the mountain passes with west wind of 25 to 35 mph with gusts over 45 mph. The lower elevations will see southwest wind increasing to 15 to 25 mph with gusts to 35 mph in open areas. The wind and snowfall will limit the visibility to under a quarter mile at times.
- Impacts...the combination of snowfall and wind over the higher elevations will have an adverse impact on travelers across the area. Significant snowfall across the valleys will create hazardous driving conditions due to snow packed roadways. Precautionary/preparedness actions... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. The latest Road conditions provided by the Wyoming Department of Transportation are available by calling 5-1-1 or on the internet at wyoroad.Info.