Boletín de aludes

Kootenay Boundary

Jan 26 – 27, 2013Avalanche Canada
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Archivado · caducó 14 years ago

Peligro de aludes

Mon
Tue
Alta montaña
2 · Moderado
Límite del bosque
2 · Moderado
Bajo el límite
2 · Moderado
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Lo esencial

Problemas de aludes

  • Storm Slabs

    • Alta montaña
    • Límite del bosque
    • Bajo el límite del bosque
    Probabilidad
    Possible - Likely
    Tamaño
    1–3
    There is a lot of variability in the region. A soft storm slab has developed between 15-30 cms deep. Some areas have seen strong Westerly winds that scoured alpine terrain and developed some pockets of wind slab on North thru East aspects.

Confidence

Poor - Timing, track, or intensity of incoming weather is uncertain on Sunday

Weather Forecast

Overnight and Sunday: Light Westerly winds with cooling temperatures overnight. Light snow fall is expected to begin Sunday evening. There is a chance of enhanced snowfall amounts up to 15 cms depending on the track of the system moving across the US border.Monday: Northwest winds are expected to start to build during the day as a warm front moves in from the NW. Freezing levels are expected to rise to about 1200 metres. Snow should start in the evening and continue as a trailing cold front follows.Tuesday: Continued unsettled weather with light snow and light Northwest winds. Alpine temperatures dropping to about -12.0

Avalanche Summary

Loose dry snow sluffing up to size 1.5 in steep terrain.

Snowpack Summary

A report from the Rossland Range stated that the freezing level went up to about 1700 metres on Friday, and that strong winds scoured most open terrain above 2000 metres. Recent snow fall amounts have been variable across the region. Some areas have about 30 cms that is reacting to light additional loads, and sliding on the weak surface hoar layer that was buried on the 23rd of January. Some other areas only had 10-15 cms with lighter winds, and the new snow has not formed a reactive storm slab. Due to this variability, it is difficult to rate the danger for the entire region.

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