Bollettino valanghe

Waterton Lakes

Jan 18 – 21, 2019Parks Canada
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Archiviato · scaduto 8 years ago

Pericolo valanghe

Sat
Sun
Alta quota
2 · Moderato
Limite del bosco
2 · Moderato
Sotto il limite
1 · Debole

In sintesi

New wind slabs from the incoming storm on Saturday will likely be forming on a recently buried crust and surface hoar layer, creating the potential for touchy conditions. Keep an eye on snowfall amounts and evaluate the bond of the new snow.

Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Likely
    Dimensione
    1–2.5
    Regardless of snowfall amounts, Wind Slabs will continue to build over a crust / surface hoar  layer during the forecast period.
  • Deep Persistent Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Unlikely - Possible
    Dimensione
    2–3
    This layer likely requires a large trigger. New wind slabs may step down causing large avalanches.

Weather Forecast

FRIDAY Isolated Flurries. Light SW wind.SATURDAY Snowfall amounts are uncertain. Estimating between 5-20cm. Strong SW Wind. SUNDAY Cloudy with sunny periods. Moderate W Wind.

Snowpack Summary

5-10cm off storm snow on Thursday has fallen over a variety of hard bed surfaces including newly buried Surface Hoar 1600-1900m and a supportive temperature crust up to 2000m. A strong Midpack sits on top of a faceted base.

Avalanche Summary

No new avalanches observed. Limited Alpine observations.

Confidence

Forecast snowfall amounts are uncertain on Saturday

Regioni coperte