Boletín de aludes

Waterton Lakes

Feb 7 – 10, 2014Parks Canada

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Archivado · caducó 13 years ago

Peligro de aludes

Fri

Sat

Alta montaña

2 · Moderado

Límite del bosque

1 · Débil

Bajo el límite

1 · Débil

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Lo esencial

This prolonged period of stable weather has allowed the snowpack to settle and adjust. Although minimal avalanche activity can be expected, continued caution with the basal facets is certainly warranted as there are many thin areas to be found.

Problemas de aludes

Wind Slabs
N
NE
E
SE
S
SW
W
NW
Alta montaña
Límite del bosque
Bajo el límite del bosque
Probabilidad
Possible
Tamaño
1–2
Variable wind directions over the last few days have created thin and soft slabs in a wide range of open areas. Surface snow is faceted which is discouraging slab formation. These slabs sit on weak snow over firms surfaces: keep them in mind.
Deep Persistent Slabs
N
NE
E
SE
S
SW
W
NW
Alta montaña
Límite del bosque
Bajo el límite del bosque
Probabilidad
Unlikely
Tamaño
2–3
The 40 cm of snow sitting on the ground continues to loose strength. The mid-pack that is holding everything together varies greatly in depth. Use your probe to verify that you are traveling in fat areas and use extra caution if you are not.

Weather Forecast

Cloudy with some flurries Friday, otherwise broken skies with light winds until Monday. A system is approaching Monday: expect warming and increased winds through Tuesday.

Snowpack Summary

About 20 cm of cold faceted snow is bonding poorly to a variety of surfaces: suncrust (S, SE) and previous wind effect open areas. Faceting also continues in the bottom 40 cm of the snowpack where depth hoar has now replaced old crusts. The slab of pencil snow above this provides all of the strength to our snow pack but this is extremely variable.

Avalanche Summary

Very little activity has been observed in the last 5 days with the exception of minor wind generate surface sluffing in very steep terrain.

Confidence

Regiones cubiertas

Waterton Lakes