Avalog
Register
Get forecast notifications
Create an account to receive email notifications when forecasts are published.
Register
Login
Archived

Avalanche Forecast

Nov 23rd, 2016–Nov 24th, 2016
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
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
Below Threshold
The avalanche danger rating below treeline will be below threshold

Regions: Banff Yoho Kootenay.

Low density snow overlies an uncharacteristically strong base. The wind is expected to increase by Friday. Watch for windslabs with all of the available snow for transport.

Weather Forecast

Very light accumulations (~10cm) are expected by Friday. Temps will range from -5 to -10. Wind at 2700m is expected to pick up to the moderate range on Thursday evening.

Snowpack Summary

15-30 cm of soft snow sits on top of a supportive (5-10cm) crust which overlies a strong base. The bond to the crust seems strong in most places, but we are watching this closely to see how it evolves. Additionally, there is a lot of soft snow available for wind transport, and once we get a good wind storm then expect the avalanche danger to rise.

Avalanche Summary

No new avalanches observed or reported today.

Confidence

Timing, track, or intensity of incoming weather system is uncertain on Friday

Avalanche Problems

Wind Slabs

Conditions are good right now but two things to watch for: 1) Winds or warming that will quickly create wind slabs, and 2) the Nov 12 crust which could be a developing problem for the future.
Be careful with wind loaded pockets while approaching and climbing ice routes.Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: North, North East, East.

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2