Bollettino valanghe

Cariboos

Avalanche Canada
Vedi sulla mappa

Pericolo valanghe

Tue
Wed
Alta quota
3 · Marcato
Limite del bosco
3 · Marcato
Sotto il limite
2 · Moderato
Open full map
Non aggiornato — questo bollettino è scaduto 4 months ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

Watch for changing conditions as you change aspect and elevation.

The highest danger will be on steep slopes either facing the sun, or where dry snow isn't sticking to the underlying crust.

Problemi valanghivi

  • Cornices

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1.5–2.5

    Cornices are large, looming, and can trigger large avalanches on the slopes below. Cornices will become increasingly fragile as temperatures rise.

  • Storm Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible - Likely
    Dimensione
    1–2

    Winds may leave more reactive deposits around ridge lines and lee features. Strong solar radiation may increase the reactivity of recently formed storm slabs, especially on steep slopes in the alpine.

  • Loose Wet

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely - Very Likely
    Dimensione
    1–2

    Watch for sunny skies and warm spring temperatures to trigger wet loose avalanches on slopes facing the sun and at lower elevations. Expect this problem to increase at higher elevations over the weekend alongside rising freezing levels.

Terrain and Travel Advice

  • Avoid steep, sun-exposed slopes when the air temperature is warm or when solar radiation is strong.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Investigate the bond of the recent snow before committing to your line.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

Confidence

Moderate

  • We are uncertain about how the timing or intensity of solar radiation will affect the snowpack.

Avalanche Summary

On Saturday, two large (sz 2) human triggered avalanches were reported in steep, alpine terrain, as well as several small dry loose avalanches. Also, several small to large (size 1-2) natural wet loose avalanches were reported on slopes facing the sun.

On Friday, riders triggered a few slab avalanches to size 1.5, mostly on steep open slopes around ridgelines.

On Thursday, riders triggered storm slab avalanches to size 2, on northerly aspects in the afternoon.

Snowpack Summary

At upper elevations, wind, sun, and spring temperatures continue to impact 20 to 40 cm of recent powder. Sun and rising freezing levels will turn snow moist during the day, warm temperatures overnight will likely prevent a strong crust from forming.

Below the recent snow is a hard crust that exists on all aspects to at least 2500 m.

The mid and lower snowpack is well settled and strong in most areas.

Check out this Conditions Update for tips on managing the current spring conditions.

Weather Summary

Sunday Night

Mostly clear skies. 1 mm of rain at treeline. 15-30 km/h west ridgetop wind. Treeline temperature 6 °C. Freezing level 2800 m.

Monday

Mostly sunny. 15-30 km/h southwest ridgetop wind. Treeline high 5 °C further northeast, 12 ° further southwest. Freezing level rising to 3100 m.

Tuesday

Mix of sun and clouds. 1 to 4 mm of rain at treeline. 20 km/h southwest ridgetop wind. Treeline temperature 7 °C. Freezing level 2900 m.

Wednesday

Mostly cloudy. 3 to 5 mm of rain at treeline. 20 km/h northwest ridgetop wind. Treeline temperature 3 °C. Freezing level 2400 m.

More details can be found in the Mountain Weather Forecast.

Regioni coperte