Avalanche Forecast South Coast Inland

Date Issued: Valid Until:

Avalanche Canada swerner, Avalanche Canada

Avalanche Forecast

Wed Apr. 24th ยท 4:10PM

Alpine

Danger Ratings Moderate

Treeline

Danger Ratings Moderate

Below Treeline

Danger Ratings Low
Wind Slabs Wind Slabs
Loose Wet Loose Wet

Alpine

Danger Ratings Moderate

Treeline

Danger Ratings Low

Below Treeline

Danger Ratings Low

Alpine

Danger Ratings Moderate

Treeline

Danger Ratings Low

Below Treeline

Danger Ratings Low

Wind slabs at higher elevations may be reactive to human triggers especially where a wintry snowpack exists.

Confidence

Low - Due to the number of field observations

Weather Forecast

THURSDAY: Mainly cloudy with light precipitation. Alpine temperatures near -4 and freezing levels 2000 m. Ridgetop winds moderate from the southwest.

FRIDAY: Mix of sun and cloud with isolated flurries. Alpine temperatures near -3 and freezing levels 1400 m. Ridgetop wind moderate from the West.

SATURDAY: Cloudy with sunny periods. Alpine temperatures near -6 and freezing levels 1600 m. Ridgetop wind moderate to strong from the West.

Avalanche Summary

No new avalanches reported on Wednesday.

If you have any recent observations during your travels, we would greatly appreciate it. If you posted a photo or any other information to the Mountain Information Network (MIN), thanks!

Snowpack Summary

In the alpine, up to 10 cm cold wind-affected snow is holding onto northerly aspects. Southerly winds have produced isolated wind slabs around ridges and in the immediate lee features at upper elevations. Cornices have been failing recently.

Recent precipitation fell as rain upwards of 1800 m which has re-frozen as a crust well into the alpine on southerly aspects and all aspects below. Warm overnight temperatures will prevent crust recovery as you lose elevation. Expect thin surface crusts to break down quickly with daytime warming and rain.

Problems

Wind Slabs

Wind Slabs

South-southwesterly winds have produced isolated pockets of wind slab around ridges and in the immediate lee of slopes. Cornices may be touchy, give them plenty of space.

  • Be careful with wind-loaded pockets, especially near ridge crests.
  • Cornices may be touchy and could trigger wind slabs on slopes below.
  • Watch for signs of instability such as whumpfing, or cracking.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2
Loose Wet

Loose Wet

Rising freezing levels and rain at lower elevations may initiate loose wet avalanches.

  • Use extra caution on slopes if the snow is moist or wet, especially at lower elevations.
  • Use caution above terrain traps like gullies where small avalanches may have severe consequences.

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

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2