Bridger Teton Backcountry Avalanche Forecast Center Bridger Teton Avalanche Center

TETON AREA NOWCAST
Issued at 11/18/2017 06:34     Valid until: 11/18/2017 23:59
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CURRENT CONDITIONS (Mountain Weather Past 24 Hours)

At 10,400' Elevation: 5 AM Temp Max Temp Avg Wind Direction Avg. Wind Speed Max Wind Gust
Rendezvous Summit 4 º F 17 West-Northwesterly 23 56
View Temperature and Wind Graphs View Summit 48 Hr Wind Graph
 
Location Snowfall/Prec. Total Snow Depth Total Snowfall
At 9,300' Elevation (Raymer Plot) 6"/ 0.50 50" 113"
At 9,580' Elevation (Rendezvous Bowl Plot) 5"/ 0.40" 58" 115"
At 8,800' Elevation (Chief Joseph Plot) 6"/ 0.50" 52" 99"

Mountain Weather Forecast for Today

Expect mostly sunny skies as high pressure moves into the region.
Temperature Forecast for 8,000´-9,000´: Rising into the mid-teens.
Ridge Top Wind Forecast for 10,000´: Westerly to northwesterly at 15 to 25 miles per hour.
Snowfall Expected Next 24 Hours: 0

AVALANCHE DANGER MORNING AFTERNOON

Teton Area avalanche hazard rating for 11/18/2017
View full danger scale definitions
Avalanche danger scale ratings

GENERAL AVALANCHE ADVISORY

The chance for natural avalanche activity has mostly diminished, and the likelihood of human triggered slides is on a decreasing trend. However, the potential consequences of being caught in a large wind slab will keep the avalanche hazard elevated. Although unlikely, the possibility of deeper slabs failing on or stepping down to October snow might remain. This scenario warrants a conservative approach to terrain selection. Don’t let sunshine and fresh snow cloud your judgement when choosing your travel plans. Precipitation was mainly in the form of rain at the lower elevations, and the shallow snowpack is mostly stable.

TODAY'S AVALANCHE PROBLEMS View problem definitions

Wind Slab  
TYPE
ASPECT/ELEVATION
CHARACTERISTICS
Avalanche problem rose
LIKELIHOOD
Certain
Very Likely
Likely
Possible
Unlikely
SIZE
Historic
Very Large
Large
Small
TREND
Steady trend

DESCRIPTION

Around two feet of snow containing over two inches of snow water equivalent has fallen since Wednesday evening. Strong southwesterly to northwesterly ridgetop winds have accompanied this snowfall forming dense wind slabs on leeward slopes. In steep, wind-loaded avalanche terrain above 7,500 feet, skiers and riders could trigger these slabs ranging in depth from six to 18 inches if failures occur on density breaks within the new snow. In heavily wind loaded terrain near upper elevation ridgelines, these slabs could be up to four feet deep if a slide involves all of the recent snowfall.
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For further information call 307-733-2664 To report an avalanche observation call 307-739-2607
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