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Archived

Avalanche Forecast

Apr 21st, 2019–Apr 22nd, 2019
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: Northwest Inland.

Due to a very limited number of information sources at this time of year, this report is based off of weather forecast information only. If you have been out recently, send us your observations by submitting to the Mountain Information Network (MIN).

Confidence

Low - Due to the number of field observations

Weather Forecast

SUNDAY Night: Flurries at upper elevations, accumulation 5-10 cm / moderate south wind / alpine high temperature -2 / freezing level 1000 m

MONDAY: Flurries at upper elevations, accumulation 5-10 cm / moderate to strong west winds / alpine high temperature 0 C, freezing level 1400 m

TUESDAY: Sunny with cloudy periods / moderate southwest wind / alpine high temperature -3 C / freezing level 900 m

WEDNESDAY: Mix of sun and cloud / light west wind / alpine temperature -2 / freezing level 1000 m

Avalanche Summary

There have been no recent reports of avalanche activity. If you're out we'd love it if you would submit what you're seeing to the Mountain Information Network.

Snowpack Summary

Expect to see 5-10 cm of new snow at upper elevations Monday morning on top of the 15-30 cm of new snow accumulated over the past week. This all likely sits over a widespread, supportive melt-freeze crust from early April. Surface hoar and facets were previously observed on this crust on high north aspects. At lower elevations, ongoing warm weather has been promoting isothermal snowpack conditions and melting the snowpack away.

Avalanche Problems

Wind Slabs

Recent new snow and moderate to strong winds have likely built fresh wind slabs in the lee of terrain features.

  • Be cautious as you transition into wind affected terrain.
  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 1.5