Bollettino valanghe

Kananaskis

Dec 15 – 16, 2018Alberta Parks
Vedi sulla mappa
Archiviato · scaduto 8 years ago

Pericolo valanghe

Mon
Tue
Alta quota
3 · Marcato
Limite del bosco
3 · Marcato
Sotto il limite
2 · Moderato
Apri la mappa completa

In sintesi

New snow, strong winds and a weak base are creating ideal conditions for wind slabs.  Natural activity is slowing but conditions remain touchy for skier triggered avalanches. 

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely - Very Likely
    Dimensione
    1–2.5
    Warm temps, new snow and strong winds are creating widespread skier triggerable slabs in open areas.

  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–3
    There are a number of weak facet layers lurking deep in the snowpack. Be sure to dig and assess before jumping into ski terrain. Even pieces of small terrain could kick out a decent size avalanche.

Confidence

High -

Weather Forecast

Light snowfalls with moderate to strong SW winds will continue over the next few days.  Temperatures will remain above seasonal in the -5C range. 

Avalanche Summary

A few new avalanches up to sz 2.5 were observed in Alpine terrain on Saturday.  These slabs were mainly failing at the interface of the recent storm snow on N and E aspects. 

Snowpack Summary

An additional 4cm fell overnight on friday and 10cm during the day on Saturday.  Over the past 5 days 46cm of snow has fallen at treeline with warm temps and strong SW winds.  Widespread windslabs have developed and we have seen lots of cracking,  reports of whumpfing, and skier controlled avalanches on the Dec 10th surface hoar and facet interface down 40-60cm.  Recent natural avalanche have stepped down to the Oct crust with fracture depths over 1m.  The new windslabs and persistent slabs will take a few days to settle out and strenghten. 

Regioni coperte