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Archived

Avalanche Forecast

Mar 2nd, 2024–Mar 3rd, 2024
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: North Okanagan, Shuswap, South Okanagan.

Look for signs of instability and assess for wind slab as you move through terrain.

Wind slabs remain the primary concern.

The likelihood of avalanches could increase if the sun comes out.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in this region.

Numerous large to very large natural and human triggered persistent slab avalanches continue to be reported in the neighboring region . Some have run full path to valley bottoms. Many of the human triggered avalanches have been reported as remotely triggered (from a distance). This speaks to the sensitivity of the persistent slab.

Snowpack Summary

A variety of surfaces can be found including a new crust on sun exposed terrain and wind effect in the alpine.

A thick and hard widespread crust that formed in early February is buried about 40 to 70 cm deep. This crust may have a layer of facets above it.

The snowpack below this crust is generally not concerning.

Weather Summary

Saturday Night

A mix of clear skies and cloud with up to 5 cm of new snow. 15 to 30 km/h southeast alpine wind switching to southwest. Treeline temperature  -10°C.

Sunday

A mix of sun and cloud with 2 to 4 cm of new snow. 5 to 25 km/h south alpine wind.  Treeline temperature -9°C.

Monday

A mix of sun and cloud with trace amounts of new snow. 10 to 25 km/h southwest alpine wind. Treeline temperature  -8°C.

Tuesday

Mostly sunny. 5 to 20 km/h northwest alpine wind. Treeline temperature -13°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • If triggered, wind slabs avalanches may step down to deeper layers resulting in larger avalanches.
  • Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
  • Remote triggering is a concern, watch out for adjacent and overhead slopes.

Avalanche Problems

Wind Slabs

Wind slabs may remain triggerable to riders. Assess for slabs in lee terrain features prior to committing.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2

Persistent Slabs

A weak layer of facets may exist above a hard melt-freeze crust that formed in early February.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 2.5