Bollettino valanghe

Long Range Mountains

Feb 16 – 17, 2024Avalanche Canada
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Archiviato · scaduto 3 years ago

Pericolo valanghe

Sun
Mon
Alta quota
3 · Marcato
Limite del bosco
2 · Moderato
Sotto il limite
Senza grado

In sintesi

Avoid wind loaded slopes and give the new snow time to bond. The best riding will be found in sheltered terrain. Check out this MIN from our field team describing conditions on the  Knob.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    1–2.5

    New snow has formed wind slab on east through south aspects. These wind slabs will likely remain reactive to rider traffic due to the underlying crust.

Confidence

High

Avalanche Summary

No new avalanches have been reported however visibility has been limited.

Snowpack Summary

Northwest winds have scoured and pressed exposed terrain and formed reactive wind slabs on east and south facing slopes. Soft snow can likely be found in sheltered terrain.

Up to 30 cm of recent new snow overlies a thin melt-freeze crust that extends up to ridgetop. Test results show that the new snow is not bonding well to this crust.

The mid and lower snowpack is strong and well settled. The average snowpack depth at upper treeline is now around 100 cm.

Weather Summary

Friday Night

Cloudy with up to 10 cm in the north and trace amounts of new snow in the south. 35 to 55 km/h northwest ridgetop wind. Treeline temperature -10°C.

Saturday

Mostly cloudy with trace amounts of new snow expected.  40 to 60 km/h southwest ridgetop wind. Treeline temperature -11°C.

Sunday

Mostly cloudy with up to 10 cm of new snow expected in the south, less in the north. 40 to 70 km/h west ridgetop wind. Treeline temperature-12°C.

Monday

A mix of sun and cloud with up to 10 cm of new snow expected. 50 to 70 km/h west alpine wind. Treeline temperature -13°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Wind slabs may be poorly bonded to the underlying crust.
  • Seek out sheltered terrain where new snow hasn't been wind-affected.
  • Use ridges or ribs to avoid areas of wind loaded snow.

Regioni coperte