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Avalanche Forecast

Archived

Mar 3rd, 2019–Mar 4th, 2019

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Glacier.

Three times Low does not mean it is time to expose yourself to undo hazard. Take the time to ski your line one at a time, avoid exposure to cornices, terrain traps and other hazards. Be over prepared for cold.

Weather Forecast

Sunny with no precipitation in the forecast for today or the first part of the work week. Light easterly ridge winds and alpine high of -15C for today. Temperatures are forecast to gradually warm with alpine highs in the negative single digits by Tuesday.

Snowpack Summary

Expect surface facets and a variety of windslab in most locations. Sun crust will be found on steeper solar terrain making for difficult travel. Moderate to strong winds have deposited thin wind slabs on exposed terrain features at ridge-top and exposed treeline areas. The mid and lower snowpack is well settled and strong.

Avalanche Summary

One small size 2 narrow point release came out of Lonepine path around noon running 1/3 fan. Three narrow point release slides out of Avalanche Crest up to size 2 late in the afternoon. These slides were all confined to surface facet snow. No new slides observed or reported in the backcountry.

Confidence

Due to the number of field observations

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.

Loose Dry

Loose Dry avalanches are the release of dry unconsolidated snow and typically occur within layers of soft snow near the surface of the snowpack. These avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-dry avalanches include point-release avalanches or sluffs.