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Archived

Avalanche Forecast

Mar 3rd, 2024–Mar 4th, 2024
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Tutshi, Wheaton, White Pass East, White Pass West, Yukon.

Sunshine, light wind, and low danger makes bigger lines appealing.Watch for lingering pockets of wind slab around ridgecrest and in extreme terrain.

Confidence

High

Avalanche Summary

No recent avalanches have been reported. However, a party experienced whumpfing in the Fraser Chutes area on Friday. This points to the existence of a lingering windslab problem in steep alpine terrain, that remains susceptible to human triggering.Field observations have been limited, if you're out in the backcountry please consider submitting your observations to the MIN.

Snowpack Summary

Alpine surfaces are heavily wind-affected, but 10 to 20 cm of soft snow may still be found in wind-sheltered terrain. Check this White Pass MIN for more details.

A spotty layer of surface hoar may sit below recent snow, buried around 20 to 30 cm deep in isolated areas. Below 1500 m, a thick melt-freeze crust is buried 50 to 100 cm deep.

The average snowpack depth at treeline is around 200 cm.

Weather Summary

Sunday Night

Mainly clear. Northeast veering to southeast ridgetop wind, 50 to 10 km/h. Treeline temperature -25 °C.

Monday

Mainly sunny. Variable ridgetop wind, 5 to 10 km/h. Around Fraser northeast wind, 50 km/h. Temperature inversion begins with alpine temperature around -15 °C.

Tuesday

Mix of sun and cloud. Southwest ridgetop wind, 15 to 30 km/h. Temperature inversion with alpine temperature around -13 °C.

Wednesday

Mainly cloudy with up to 5 cm new snow. South ridgetop winds, 25 to 45 km/h. Temperature inversion with alpine temperature around -13 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Be carefull around freshly wind loaded features.

Avalanche Problems

Wind Slabs

Recent strong winds have built wind slabs on lee slopes. While isolated, this problem may be triggerable by riders.

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

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2