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Archived

Avalanche Forecast

Apr 24th, 2022–Apr 25th, 2022
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kootenay Boundary.

Warm temperatures overnight may prevent a good re-freeze. Check for 'crust recovery' and be off slopes before they turn mushy or wet.

Confidence

High -

Weather Forecast

SUNDAY NIGHT: Mostly clear with incoming cloud, 15-25 km/h south wind, ridgetop low temperature 0 C. Poor overnight re-freeze expected with freezing level hovering above 2300 m.

MONDAY: Mix of sun and cloud with isolated flurries, 20-40 km/h south wind, ridgetop high temperature +4 C, freezing level above 2300 m.

TUESDAY: Wet flurries, 10-15 mm. 15-25 km southwest wind, ridgetop high temperature +1 C, daytime freezing level below 1700 m.

WEDNESDAY: Overnight flurries, 5-15 cm. West wind gusting to 60 km/h, alpine high temperature -1 C, daytime freezing level 1700 m.

Avalanche Summary

Small (size 1) wet loose avalanches were observed around Kootenay Pass on Friday.

Please consider posting your observations to the Mountain Information Network to supplement our data stream and help fellow recreationists.

Snowpack Summary

The snowpack has transitioned to spring-time conditions, with overnight crusts transitioning to moist snow during the day, and isolated and lingering winter-ish conditions at the highest shaded elevations. Overall the snowpack is strong, consisting of hard snow and various melt-freeze crusts. At ridge top, remember that cornices are large and looming. With warm springtime temperatures, check for good overnight recovery - avoid slopes that do not get an overnight re-freeze. 

Terrain and Travel

  • Make observations and assess conditions continually as you travel.
  • Minimize exposure to sun-exposed slopes when the solar radiation is strong.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

Avalanche Problems

Loose Wet

Warm air and sun can pack a punch, causing loose wet avalanches that may entrain recent snow and travel far. With warm springtime temperatures, check for good overnight recovery - avoid slopes that do not get an overnight re-freeze. 

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2