Bulletin d’avalanche

Kootenay Boundary

Apr 7 – 8, 2013Avalanche Canada
Voir sur la carte
Archivé · expiré 13 years ago

Danger d’avalanche

Tue
Wed
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
2 · Modéré
Ouvrir la carte complète

Points saillants

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–4
    New wind slabs may develop as cooling temperatures turn rain into snow at higher elevations. Wind transported snow may over load cornices which have become weak from rain and high freezing levels.

  • Loose Wet

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–4
    Loose wet snow slides may release naturally from steep terrain at treeline and below. Wet slides in motion may gain a lot of mass as they scour isothermal snowpacks down to the ground.

Confidence

Fair - Freezing levels are uncertain for the entire period

Weather Forecast

Overnight and Monday: The Low pressure system will continue to spread light precipitation to the Interior Ranges. An upper ridge of High pressure should build into the interior by late morning, bringing gradually drier and clearing conditions.Tuesday: The upper ridge is expected to cause dry conditions with broken skies or scattered cloud.Wednesday: A cold front is forecast to move across the Southern Interior bringing cooler temperatures and moderate precipitation.

Avalanche Summary

Loose moist point releases were reported from Saturday. Expect loose wet snow releases from steep terrain at treeline and below.

Snowpack Summary

20-30 cms of moist new snow is sitting on a moist or rain soaked surface. Some stiff wind slabs may be found at higher elevations.

Régions couvertes