Lawinenlagebericht

Jasper

Feb 15 – 16, 2022
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Archiviert · abgelaufen 5 years ago

Lawinengefahr

Wed
Thu
Hochgebirge
1 · Gering
Waldgrenze
1 · Gering
Unterhalb
1 · Gering

Kernpunkte

The hazard may trend toward a higher rating with daytime warming and sustained solar effect. BTL and sunny TL features will be most susceptible to a rapid change.

Lawinenprobleme

  • Wind Slabs

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

    Wind slabs formed last week are very stiff with stubborn sensitivity to trigger.Watch for drum like sounds in shallow areas, where wind slabs may be sitting over a shallow layer of facets.

  • Loose Wet

    • Hochgebirge
    • Waldgrenze
    • Unterhalb der Waldgrenze
    Wahrscheinlichkeit
    Unlikely - Possible
    Größe
    1–1.5

    Likelihood of triggering wet loose avalanches is decreasing with cooling temperatures and increasing cloud cover.

Weather Forecast

Tuesday: Cloudy with sunny periods and isolated flurries. Trace. Temps: High -8 C. Wind W: 10-30 km/h.

Wed: A mix of sun and cloud with isolated flurries. Trace. Temps: Low -13 C, High -9 C. Wind: Mostly light, gusting to 35 km/h. 

Thursday: Cloudy with scattered flurries. 5 cm. Temps: Low -13 C, High -7 C. Wind W: 20 km/h gusting to 45 km/h.

Snowpack Summary

Weak temperature crust on all aspects up to 1900m with a sun crust on solar aspects up to 2800m. Upper snowpack has settled but expect natural activity to increase during peak warming of the day. Exposed alpine stripped to rock at ridge top & open features. Dec Facets down 20-70cm. Basal faceting & depth hoar widespread throughout area.

Avalanche Summary

No new avalanche activity observed or reported from road patrol or field team in Fryatt Valley.

Confidence

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