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Avalanche Forecast

Archived

Jan 22nd, 2014–Jan 23rd, 2014

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

Regions

South Columbia.

Confidence

Good

Weather Forecast

A high pressure ridge is once again set to bring dry conditions with warm alpine temperatures.Thursday: Dry. Alpine temperatures initially cool, around -5C, but rising late in the afternoon. Ridgetop winds light, up to 15 km/h from the NW. Friday and Saturday: The inversion is fully in place, with a strong above freezing layer from around 2200 to 3300m. Expect some Valley cloud, that may actually be quite high, and strong alpine sunshine. Alpine temperatures could reach as high as +4C and will feel higher still in the sunshine. Ridgetop winds 10-20 km/h from the NW.

Avalanche Summary

No recent avalanches reported.

Snowpack Summary

The recent dry, warm weather has generally consolidated the upper snowpack. Old, stubborn hard wind slabs may exist under a skiff of new snow. Steep, sun exposed features are most likely seeing a daily melt-freeze cycle.A basal facet/crust combo (weak sugary snow above and below a crust) near the ground is still a concern in some areas. The depth of this layer makes triggering an avalanche on it unlikely (maybe a heavy load on a thin spot in steep terrain, rapid temperature change, or cornice fall), but the consequences would be large and very destructive.