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Archived

Avalanche Forecast

Mar 22nd, 2022–Mar 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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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: Waterton Lakes.

Increased avalanche activity at peak solar will be the primary concern. Pay close attention to the aspect of the slopes you are traveling on and the strength of the sun.

Weather Forecast

Wed: Partially cloudy with alpine temps rising to +4. Winds M-S from the west. FL 2800m

Thur: Partially cloudy with trace precip. Alpine temps around zero. Winds decreasing through the day. FL 2000m

Fri: Partially cloudy with alpine temps around zero. Winds M-SW. FL 2000m

Snowpack Summary

Wind slabs 20-60cm deep at alpine and treeline. Below 2000m is a melt freeze crust of varying thickness. This overlies old windslabs and the March 3 rain crust. Feb 15 crust down 70-120 cm exists up to 2000m. Lower snowpack is well settled 1F to P. HS 250-300 cm near the continental divide.

Avalanche Summary

Numerous natural loose wet avalanches to sz 1.5 were observed this week from steep terrain and rocks at peak solar. Several natural windslab avalanches, sz 1 -2, were observed in alpine lees on the weekend. Please report any observations to the Mountain Information Network

Confidence

Timing or intensity of solar radiation is uncertain

Avalanche Problems

Wind Slabs

20-50cm windslabs in treeline and alpine lees. Several natural windslab avalanches, size 1-2, were observed Saturday on north and east alpine lees.

  • Watch for pockets of windslab in steep alpine features.
  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2

Loose Wet

Steep rocky solar slopes.

  • Minimize exposure to steep, sun exposed slopes when the solar radiation is strong.

Aspects: East, South East, South, South West, West.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2