Bollettino valanghe

Long Range Mountains

Avalanche Canada
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Pericolo valanghe

Mon
Tue
Alta quota
1 · Debole
Limite del bosco
1 · Debole
Sotto il limite
Senza grado
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In sintesi

Watch for changing conditions over the next few days.

Avalanche danger will increase with the arrival of a storm on Monday, avoid avalanche terrain during heavy snowfall.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–1.5

    Small wind slabs could be found near ridge crests on Sunday.

  • Storm Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Very Likely
    Dimensione
    1.5–2.5

    Storm slabs will begin developing on Monday and will increase in size and likelihood through the day on Tuesday. These avalanches could release naturally in the alpine and run to low elevations during the peak of the storm.

Confidence

Moderate

  • We are confident the likelihood of avalanches will increase with the forecast weather.

Avalanche Summary

Our field team observed a size 1 wind slab avalanche on an east facing alpine feature. This avalanche released naturally on Wednesday. We suspect that more wind slab activity has occurred this week but visibility has been challenging at times.

If you’re heading into the hills please consider filling out a Mountain Information Network report.

Snowpack Summary

Previous storm snow and strong wind has resulted in a variable upper snowpack depending on aspect. On north and east aspects up to 100 cm of dense snow overlies a thick crust from the middle of March. On south and west aspects this crust is on or near the surface. In sheltered features 30 to 40 cm of snow overlies the mid March crust, the snowpack below this layer is well settled and strong.

Looking ahead to early next week we are expecting a significant storm that will ramp up Monday through Tuesday. This storm will bring 25 to 50 cm of snow with strong southwest through west wind, forming deep deposits on north and east aspects.

Weather Summary

Saturday Night
Mostly cloudy. 1 to 2 cm of snow. 30 km/h west ridgetop wind. Treeline temperature -17 °C.

Sunday
Mostly sunny. 1 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -13 °C.

Monday
Mostly cloudy. 5 to 10 cm of snow. 50 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Tuesday
Mostly cloudy. 20 to 40 cm of snow. 60 km/h west ridgetop wind. Treeline temperature -7 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful as you transition into wind-affected terrain.
  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
  • Avoid avalanche terrain during periods of heavy snowfall.
  • Carefully manage your exposure to overhead hazards.

Regioni coperte