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Archived

Avalanche Forecast

Apr 18th, 2025–Apr 19th, 2025
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
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
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
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
1: Low
The avalanche danger rating below treeline will be low

Regions: Coquihalla, Harrison-Fraser, Manning, Skagit.

Verify that conditions are safe before entering committing slopes & remain cautious when travelling on or under corniced ridges and sunny slopes.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported.

Observations have been extremely limited in this region, making it a good idea to verify conditions and frequently reassess as you travel.

Please share to the Mountain Information Network if you head into the backcountry.

Snowpack Summary

The snowpack is generally well-settled and strong, although dormant weak layers may still exist in some areas.

A typical spring diurnal cycle is underway. High freezing levels and strong sun transform the snow surface during the day into moist or wet snow, while cooling at night generally forms a crust. Lower elevations are melting out rapidly.

Weather Summary

Friday Night

Cloudy with possible periods of light rain to 2 mm. 35 to 40 km/h southwest ridgetop wind. Treeline temperature low +1 °C. Freezing level 3200 m, falling to 1700 m.

Saturday

Mostly sunny. 30 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level around 1700 m.

Sunday

Cloudy with 5 to 15 cm of new snow above 1400 m, rain below. 25 to 35 km/h west ridgetop wind. Treeline temperature -1 °C. Freezing level rising to 1500 m.

Monday

Mostly cloudy with 1 to 5 cm of snow above 1500 m, rain below. 10 to 20 km/h variable ridgetop wind. Treeline temperature -2 °C. Freezing level rising to 1600 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Periods of low danger may be a good time to increase your exposure.
  • Avalanche activity is unlikely when a thick melt-freeze crust is present on the snow surface.
  • Cornices often break further back than expected; give them a wide berth when traveling on ridgetops.

Avalanche Problems

Loose Wet

Warm temperatures and strong sunshine increase the potential for wet avalanches. Warming will be most intense on steep south-facing slopes, especially near rocks.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 1.5

Cornices

Use extra caution around cornices: they are large and fragile this time of year, especially during the warmest parts of the day.

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

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2