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Pinedale Online > News > January 2012 > Avalanche danger remains HIGH at all elevations
Avalanche danger remains HIGH at all elevations
January 21, 2012

An Avalanche Warning remains in effect.

In the Saturday, January 21st forecast, the Bridger-Teton National Forest cautions backcountry recreationists that the avalanche hazard remains HIGH. "Very dangerous avalanche conditions exist at all elevations - Travel in avalanche terrain is not recommended." The Bridger Teton Avalanche Forecast Center monitors the Continental Divide/Togwotee Pass, Southwest Trails/Greys River, and Teton reporting areas for avalanche activity during the winter season. For further information call 307-739-0674 or go online to http://www.jhavalanche.org . To report an avalanche observation call 307-739-2607 or email avalanche@jacksonhole.com.
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M O U N T A I N - W E A T H E R - P A S T - 2 4 - H O U R S
January 21, 2012

5:00 AM Temperature at 10,400': 21 F
Maximum Temperature at 10,400' Past 24 Hours: 21 F
Average Wind Direction at 10,400' Past 24 Hours: West-Southwesterly
Average Wind Speed at 10,400' Past 24 Hours: 31 MPH
Maximum Wind Gust at 10,400' Past 24 Hours: 69 MPH
Snowfall/Prec. Past 24 Hours Blind Bull Meadow: 6"/0.50"
Total Snow Depth 9,300' Elevation Blind Bull Meadow: 61"
Total Snowfall Starting October 1 Blind Bull Meadow: 114"
Snowfall/Prec. Past 24 Hours Box Y Ranch: 7"/0.70"
Total Snow Depth 6,300' Elevation Box Y Ranch: 41"
Total Snowfall Starting October 1 Box Y Ranch: 94"

M O U N T A I N - W E A T H E R - F O R E C A S T

Heavy snowfall with that may be mixed with rain at the lower elevations.

Temperature Forecast for 8,000'-9,000': Rising to near 30 degrees.
Ridge Top Wind Forecast for 10,000': Southwest at 25 to 40 with gusts to 50 miles per hour.
Snowfall Expected Next 24 Hours: 12"

G E N E R A L - A V A L A N C H E - A D V I S O R Y
Southwest Trails/Greys River area

Very dangerous avalanche conditions exist at all elevations. The general avalanche hazard is HIGH at all elevations and an avalanche warning remains in effect. Many slopes that are typically skied or rode are unstable and dangerous. Warm temperatures, heavy snowfall, strong winds and the possibility of rain presents the potential for widespread natural avalanche activity. Human triggered avalanches are very likely. Small avalanches are certain and many medium and some large avalanches are likely. Slab depths to six feet are possible at the mid and upper elevations. Large events could run full track and deposit huge volumes of debris in avalanche run-out zones. At the lower elevations wet slab and wet loose slides to the ground are likely. Travel in avalanche terrain is not recommended.

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Extreme: Wide spread areas of unstable snow exist and avalanches are certain on some slopes.
Backcountry travel should be avoided.

High: Mostly unstable snow exists on a variety of aspects and slope angles.
Natural avalanches are likely. Travel in avalanche terrain is not recommended.

Considerable: Dangerous unstable slabs exist on steep terrain on certain aspects.
Human triggered avalanches probable. Natural avalanches possible.

Moderate: Areas of unstable snow exist. Human triggered avalanches are possible.
Larger triggers may be necessary as the snowpack becomes more stable. Use caution.

Low: Mostly stable snow exists. Avalanches are unlikely except in isolated pockets.
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Pinedale Online > News > January 2012 > Avalanche danger remains HIGH at all elevations

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