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Pinedale Online > News > December 2006 > Western Wyoming Avalanche Bulletin
Western Wyoming Avalanche Bulletin
December 26-28, Bridger-Teton National Forest Avalanche Center
December 25, 2006

SITUATION: Monday, December 25
Strong west-southwest winds blew at 40 mph averages or stronger today with gusts to 60. Temperatures climbed to near freezing at 8000 feet. No snowfall occurred until evening as the bulk of the moisture in the westerly flow stayed north of the region. Above 9000 feet the light density snow that fell on Sunday was being moved into easily triggered small slabs to eight inches in depth on lee slopes by two p.m. Deeper slabs to three feet in depth are possible but the larger or precise triggers needed have been avoided.

FORECAST FOR Tuesday December 26, 2006
The moist, westerly flow will bring snow to the region this evening. Snowfall will increase and areas above 8500 feet could see three to five inches of snow by Tuesday morning. Snow will continue through the day Tuesday bringing storm totals of eight to ten inches by Tuesday evening. Winds will continue strong out of the southwest with 25 to 30 mph averages and stronger gusts. Daytime highs tomorrow at 10,000 feet will be in the low twenties.

The General Avalanche Hazard is expected to increase to CONSIDERABLE by Tuesday morning. Slabs have already begun to form due to strong winds and the available snow from Sunday; add forecasted heavy snowfall rates combined with strong winds and easily triggered slabs a foot or deeper will develop.

Snowfall will continue Wednesday before the flow turns more northerly Wednesday night bringing colder, drier, and less windy weather. The General Avalanche Hazard will decline with the end of new snow and drier conditions ensue.

Related Links:
Bridger-Teton National Forest Avalanche Center

Pinedale Online > News > December 2006 > Western Wyoming Avalanche Bulletin

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