Boletín de aludes

Jasper

Feb 21 – 22, 2022
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Archivado · caducó 5 years ago

Peligro de aludes

Tue
Wed
Alta montaña
2 · Moderado
Límite del bosque
1 · Débil
Bajo el límite
1 · Débil
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Lo esencial

Wind slabs may be forming in unusual spots due to northerly winds. Ice climbers, watch out for spin drifts from above.

Problemas de aludes

  • Wind Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–2

    These slabs are sitting on old hard surfaces (old wind slabs, temperature and sun crusts).

  • Loose Dry

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible
    Tamaño
    1–1.5

    Most concern for ice climbers. Avoid narrow gullies and climbs exposed to steep rocky terrain.

Weather Forecast

Monday:A mix of sun and cloud.Precipitation: Nil.Alpine temperature: High -25 C.Ridge wind east: 15 km/h.Freezing level at valley bottom.

Tuesday:Sunny with cloudy periods.Precipitation: Nil.Alpine temperature: Low -30 C, High -20 C.Ridge wind northeast: 10 km/h.Freezing level at valley bottom.

Snowpack Summary

Up to 15 cm of new snow. New wind slabs in the alpine and exposed tree line from strong SW winds and incremental precipitation. Weak temperature crust up to 1900m and solar crust on solar aspects up to 2800m. December facets down 20-70cm, showing signs of rounding within bulletin region. Basal facets & depth hoar present throughout area.

Avalanche Summary

Icefields patrol and Maligne road patrol did not observe any new natural avalanche activity. Visibility was fair overall on Sunday.

Confidence

Due to the number of field observations

Regiones cubiertas