Avalanche Forecast

Issued: Apr 8th, 2019 4:00PM

The alpine rating is below threshold, the treeline rating is below threshold, and the below treeline rating is below threshold. Known problems include Loose Wet and Storm Slabs.

Marcus Waring, Parks Canada

Waterton Lakes.

We have transitioned to spring danger ratings. Moderate precipitation on Tuesday - Wednesday will increase the chance of Wet Loose avalanches at lower elevations while creating a Storm Slab up high.

Summary

Weather Forecast

Tuesday: Flurries in the Morning with the freezing Level Rising to 2000m by noon. Wind West at 20km/h.Wednesday: Light Flurries/ Rain. Freezing Level 2000m. Wind SW at 15km/h.Thursday: Mainly Cloudy. Chance of showers. Freezing Level 2000m. Wind SW 10- 30 km/h.

Snowpack Summary

In most areas we are seeing a typical spring snowpack with crusts breaking down in the heat of the day. If you can get above snowline, expect to see 10-15cm of new, wet snow by Wednesday evening . The midpack is generally moist and well settled.

Avalanche Summary

No new recent avalanches observed.

Confidence

Problems

Loose Wet

Daytime warming, the strong spring sun, and rain will all increase the potential for loose wet avalanches to occur.

Avoid terrain traps, such as gullies, where the consequences of a small avalanche could be serious.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible

Expected Size

1 - 1.5

Storm Slabs

The storm slab may be more sensitive to human triggering on solar aspects where it sits on a crust

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Apr 11th, 2019 4:00PM