Lawinenlagebericht

South Rockies

Apr 10 – 11, 2022Avalanche Canada
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Archiviert · abgelaufen 4 years ago

Lawinengefahr

Tue
Wed
Hochgebirge
2 · Mässig
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

Check for pockets of wind slab around steep and high-consequence features.

Lawinenprobleme

  • Wind Slabs

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Possible
    Größe
    1–2

    Easterly winds Monday could build fresh slabs in less common areas. Check for reactive slabs around steep and high-consequence slopes.

Confidence

Moderate - Uncertainty is due to the speed, direction, or duration of the wind and its effect on the snowpack.

Weather Forecast

Sunday night: Blustery with alpine flurries, up to 5 cm and higher amounts forecasted near Waterton NP. Increasing east wind. Ridgetop low -18 C.

Monday: Unsettled and convective. Light east wind gusty and increasing through the day. Ridgetop high -9 C.

Tuesday: Cloudy with isolated flurries. Moderate to strong east wind. Ridgetop high -10 C.

Wednesday: Mostly cloudy with sunny breaks. Moderate east wind. Ridgetop high -10 C.

Avalanche Summary

Last avalanche reports were from Thursday when warm temperatures initiated wet loose avalanches to size 1.5. 

Snowpack Summary

Up to 15 cm recent snow covers a crust on all aspects except high north terrain. Wind has impact snow at upper elevations, as it shifts east new wind slabs may reverse load features. The mid and lower snowpack is well settled and bonded.

Terrain and Travel

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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