Bollettino valanghe

Kananaskis

Feb 12 – 13, 2013Alberta Parks
Vedi sulla mappa
Archiviato · scaduto 14 years ago

Pericolo valanghe

Thu
Fri
Alta quota
2 · Moderato
Limite del bosco
2 · Moderato
Sotto il limite
1 · Debole
Apri la mappa completa

In sintesi

Up to 5cm of new snow overnight with winds spiking at 125km/h out of the West. Watch for fresh wind slabs in lee and cross-loaded features, and be aware of the potential for higher danger levels if more snow arrives than is forecasted.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    1–4
    Between 0 and 20cm of recent snow currently overlies a hard wind slab in alpine and treeline areas. Shallow snowpack areas and steep convex features are potential triggering spots for this buried wind slab.

  • Loose Dry

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–3
    Sluffing from steep terrain could occur on Wednesday if the forecasted winds and snow arrive. Be cautious in and below steep lee and cross-loaded terrain, especially below ridge-crests.

Confidence

Fair - Forecast snowfall amounts are uncertain

Weather Forecast

Winds will spike at 125km/h out of the west overnight. As much as 5cm of snow is expected by Wednesday morning with temperatures cooling to -15 degrees.

Avalanche Summary

Nothing new.

Snowpack Summary

Trace amount of snow overnight. 0 to 20cm of relatively low density snow sits on a very hard wind slab. A hard compression test was observed which failed beneath the dense wind slab. Snowpack at lower elevations is weak and facetted.

Regioni coperte