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Forecast for the Skyline Area Mountains

Brett Kobernik
Issued by Brett Kobernik on
Friday morning, December 16, 2022
DANGEROUS AVALANCHE CONDITIONS WILL EXIST INTO THE WEEKEND!!
The avalanche danger is rated at CONSIDERABLE again today.
  • Human triggered avalanches 1 to 3 feet deep (or deeper) are likely.
  • Stay off slopes steeper than 30˚.
  • Make sure there is nothing steep above you.
  • Do not travel down in steep gullies and ravines.
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Special Avalanche Bulletin
DANGEROUS AND UNUSUAL AVALANCHE CONDITIONS WILL LAST THROUGH AT LEAST THIS WEEKEND. HEAVY SNOWFALL THIS PAST WEEK HAS CREATED DANGEROUS AVALANCHE CONDITIONS AT ALL ELEVATIONS. DON'T BE LURED BY THE BEAUTIFUL SUNNY SKIES AND FRESH POWDER INTO THINKING AVALANCHE CONDITIONS ARE SAFE WHEN THEY ARE NOT.
DO NOT TRAVEL ON, UNDERNEATH, OR ADJACENT TO SLOPES 30 DEGREES OR STEEPER ON SLOPES FACING NORTHWEST, NORTH, NORTHEAST, AND EAST WHERE TRIGGERING LARGE AND DANGEROUS AVALANCHES IS LIKELY. THIS INCLUDES LOW-ELEVATION FOOTHILLS WHERE AVALANCHES CAN OCCUR NOT FAR FROM PARKING AREAS AND TRAILHEADS.
Weather and Snow
Current Conditions: A few more inches of snow trickled in over the last 24 hours. Temperatures are in the single digits this morning. Northwest wind continues to blow in the moderate speed category. Riding conditions are as good as they get with top quality powder on the surface.
Mountain Weather: The prolonged storm system is finally winding down and the clouds are starting to break over the valleys. It looks like we may see lingering clouds shrouding the mountains today. They should start to break at some point. My best guess is we may see some clearing this afternoon. Temperatures are going to remain cold with highs around 10˚F. It looks like the wind from the northwest will slow as the day goes on. Saturday and Sunday look sunny with temperatures rebounding.
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Avalanche Problem #1
Persistent Weak Layer
Type
Location
Likelihood
Size
Description
The snowpack remains unstable with a Persistent Weak Layer of loose sugary faceted snow buried 1 to 3 feet deep. (WEAK LAYER DETAILED TIMELINE HERE) This weak layer is widespread on slopes that face many directions and many elevations. You're only defense is to stay off of and out from underneath steep slopes until the snowpack stabilizes. These types of weak layers are slow to stabilize and will often produce avalanches long after you think they might. Patience is key. We have a long winter ahead.
Additional Information
SKYLINE AVALANCHES & OBSERVATIONS
CAMERAS & WEATHER STATIONS
INSTAGRAM: SKYLINE_AVALANCHE
FACEBOOK: SKYLINE AVALANCHE
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This forecast is from the U.S.D.A. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions and local variations always occur.
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