Bridger Teton Backcountry Avalanche Forecast Center Bridger Teton Avalanche Center

Issued on Tue February 28, 2017 7:05 PM    


A westerly flow is bringing mid and low level moisture into western Wyoming. This flow has favored the Teton Range which has received 10 inches of new snow since midday yesterday. Lesser amounts (1 to 4 inches) fell in the Togwotee Pass and Greys River areas. Temperatures were in the single digits and teens in the mountains. Winds were west to southwest at 20 with gusts to 40 miles per hour.

At the higher elevations these conditions are creating new soft slabs that have been observed to fail on density differences within the recent snowfall. Winds were stronger and gusty in the afternoon.

FORECAST FOR Wednesday, March 01, 2017

This rather strong westerly flow will continue to bring moisture in the form of widespread light snow to the mountains through Wednesday night. Another six inches of new snow is likely in the Teton Range and over the southern portion of Yellowstone National Park. Lesser amounts are expected in the Togwotee Pass and Greys River forecast areas. Temperatures will remain in the single digits and teens. Westerly winds will continue at speeds of 25 to 30 with gusts to 40 miles per hour.

The general avalanches hazard is expected to be CONSIDERABLE at the upper elevations in the Teton forecast area. The general avalanche hazard is expected to be MODERATE at the higher elevations in the Greys River and Togwotee Pass areas and at the mid elevations in the Tetons. The hazard is expected to be LOW at the lower elevations in all three forecast areas. At the higher elevations wind slabs could be human triggered in steep avalanche prone terrain. These slabs are likely to be one to two foot deep in the Togwotee and Greys River areas and are expected to be more widespread, up to 30 inches deep and more sensitive to human triggers at the upper elevations of the Teton Range.

TREND FOR Thursday, March 02, 2017 AND Friday, March 03, 2017

The snowfall will taper off or end from south to north. Temperatures will slowly warm. The general avalanche hazard will slowly decrease.
For further information call 307-733-2664 To report an avalanche observation call 307-739-2607
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