Head's Up Hatcher Pass! Winter is not over yet....
Hatcher Pass received 24" of new snow overnight above 3000' and approx 12" of new snow at low elevation, combined with moderate wind gusts SSE 10-19 mph for several hours at upper elevation.
The avalanche problems for today are Storm Slab, Wind Slab, and Dry Loose.
The avalanche danger will be CONSIDERABLE today at mid and upper elevation, on all aspects, on slopes above 30º. Prior to the storm, surface hoar, near surface facets, and crusts blanketed the landscape. New snow will likely not bond well to these pre-existing snow surfaces and contribute to the avalanche problem.
Snow falling on a mix of ground and snow surfaces with less overall new snow will mean smaller avalanches are expected in the lower elevations with MODERATE danger for storm slabs and dry loose avalanches, on slopes 35º and steeper.
More about avalanche problems in the avalanche problem toolbox, HERE.
PREVIOUS ADVISORIES AND UPDATES HERE
Due to a recent intense storm overnight 4/16-17 and moderate winds at upper elevation, natural avalanches most likely have occurred today. Poor visibility and storm conditions have made it challenging to confirm recent activity.
Human triggered small wind slabs were observed on leeward aspects at upper elevation Sat and Sun.
Dry loose naturals were observed on leeward aspects at upper elevation Sat and Sun.
For more info and pictures on the Natural and Human triggered avalanches this week , check out weekly OBSERVATIONS HERE.
NWS Rec Forecast HERE
NWS point forecast HERE
State Parks Snow Report and Motorized Access information HERE
Read entire HPAC advisory HERE.
April 17 - Head's Up Hatcher Pass! Winter is not over yet....
If you haven't had a chance to support your local avy center, please consider DONATING today to help the coffers for next season. Best way to DONATE is directly to HPAC either via Facebook or HERE.
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