Bulletin d’avalanche

Jasper

Dec 5 – 6, 2016Parks Canada
Voir sur la carte
Archivé · expiré 10 years ago

Danger d’avalanche

Mon
Tue
Alpin
2 · Modéré
Limite forestière
2 · Modéré
Sous la limite
1 · Faible
Ouvrir la carte complète

Points saillants

Temperatures are about to move into the frigid range for this week.

Problèmes avalancheux

  • Wind Slabs

    • Alpin
    • Limite forestière
    • Sous la limite forestière
    Probabilité
    Possible
    Taille
    1–3
    This condition would be found mainly on open lee slopes or cross-loaded gullies. Avoid traveling through or underneath these features.

Avalanche Summary

Sunday's Icefield's patrol observed several loose dry activity on solar aspects. 2300 to alpine small windslabs 24-48 hrs old. Visibility was in and out.

Weather Forecast

Flurries, cold temperatures, and light NW winds Monday. Tuesday-Thursday will be arctic cold, sunny, and light Northerly winds. No new snow until Friday. 

Snowpack Summary

Ridge-top snow transport and cross loading occurring Sunday. 10-20cm new snow drainage dependent adding further load and wind transport. Wind slabs 50+cm on some open features at TL and above. Nov 12 crust is exposed in open Alpine features on the windward side and down 40 to 70cms or more in the lee. Temperature gradient promoting facetting.

Confidence

Wind effect is extremely variable

Régions couvertes