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Avalanche Forecast

Archived

Mar 19th, 2017–Mar 20th, 2017

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

Regions

South Coast.

Apply good travel habits to minimize your exposure even when the avalanche danger is low. Consider human factors to assist in reducing your vulnerability.

Confidence

High - Intensity of incoming weather systems is uncertain on Wednesday

Weather Forecast

MONDAY: Mainly cloudy / Light to moderate east wind / Alpine temperature 4 / Freezing level 1800mTUESDAY: Periods of rain / Light to moderate southeast wind / Alpine temperature 5 / Freezing level 1900mWEDNESDAY: Wet snow or rain, accumulation 15-20cm / Light to moderate south wind / Alpine temperature 3 / Freezing level 1600m

Avalanche Summary

No recent avalanches have been reported in the region. Storm and wind slabs may be lingering in alpine terrain.

Snowpack Summary

Saturday's storm delivered 20-30 cm of wet snow in alpine terrain and rain elsewhere. The wet snow will freeze and stabilize the snowpack in all but the highest terrain where isolated storm and or wind slabs may sit above a rain crust.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-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.