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Archived

Avalanche Forecast

Apr 1st, 2022–Apr 2nd, 2022
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Lizard-Flathead.

Watch for the formation of thin fresh wind slabs Saturday, especially if we get more than 10 cm throughout the day.

Confidence

Low - Forecast precipitation (either snow or rain) amounts are uncertain.

Weather Forecast

FRIDAY NIGHT: Freezing level at valley bottom, no significant snowfall expected, light southwest wind.

SATURDAY: Broken cloud cover, 5 to 10 cm of snow possible, light southwest wind, freezing level around 1600 m.

SUNDAY: Clear skies at dawn building to overcast by lunch, a couple cm of snow possible, light to moderate southwest wind, freezing level around 1700 m. 4 to 8 cm possible Sunday night.

MONDAY: Overcast, 10 to 35 cm of snow possible, strong southwest wind, freezing level around 1700 m.

Avalanche Summary

No new avalanches were reported since Tuesday when natural wet avalanches were reported on steep sun affected slopes to size 1. Wet avalanche activity is expected to decrease with cooler temperatures this weekend. 

Snowpack Summary

The upper snowpack is going through a daily melt-freeze cycle. A crust exists on all aspects to around 2500 m and likely to mountain top on sun affected slopes. Warm temperatures and sun are softening or breaking down the crust during the day and creating moist snow. At very low elevations, the snowpack may be wet and isothermal, depending on overnight freezing levels. 

The mid and lower snowpack are generally strong and well bonded.

Terrain and Travel

  • Wind slabs may be poorly bonded to the underlying crust.
  • Watch for fresh storm slabs building throughout the day.
  • Watch for unstable snow on specific terrain features, especially when the snow is moist or wet.

Avalanche Problems

Wind Slabs

Thin wind slabs may begin to form in high elevation terrain Saturday afternoon, especially if we get more than 10 cm of new snow.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 1.5