Boletín de aludes

Mount Shasta

Publicado el Feb 24, 2023válido hasta el Feb 25, 2023Mount Shasta Avalanche Center

Ver en el mapa

Peligro de aludes

Sat

Alta montaña

4 · Fuerte

Límite del bosque

4 · Fuerte

Bajo el límite

4 · Fuerte

Open full map

Desactualizado: este boletín caducó 4 years ago. Estás viendo condiciones pasadas, no el boletín vigente.

Lo esencial

It dumped. Like, really dumped. Three feet of snow has fallen over the past 24 hours, much of that overnight. Precipitation rates ranged from two to six inches per hour. The avalanche danger is HIGH across all elevations at aspects. The message is simple: Stay free and clear of avalanche terrain today. The unusually cold winter storm will taper this afternoon, but gusty southeast wind will continue to move snow around.

Problemas de aludes

Wind Slabs
N
NE
E
SE
S
SW
W
NW
Alta montaña
Límite del bosque
Bajo el límite del bosque
Probabilidad
Certain
Tamaño
1–3
The predominant wind direction during the storm cycle has been out of the southwest, south and southeast. This means that all northerly facing aspects are going to be wind loaded near and above treeline. Wind speeds have been moderate, averaging 12 mi/hr with gusts to 49 mi/hr. Yesterday, we saw active blowing snow and drifting, even below treeline in open areas. Wind slabs are certain and could be 3–6 feet deep. Today is not the day to test those waters.
Storm Slabs
N
NE
E
SE
S
SW
W
NW
Alta montaña
Límite del bosque
Bajo el límite del bosque
Probabilidad
Certain
Tamaño
1–3
Feet of new snow rests on top of firm, icy, old snow surfaces and has not bonded well. A weak layer of graupel is also beneath the new snow in some areas. Cold temperatures will slow down the bonding and settlement process of this storm. Areas that have received the upper end of new snow totals will be most concerning for storm slab avalanches. Natural and human triggered avalanches could occur today. Look for snow surface cracking or any indication that weakness exists in the new storm snow.
Loose Dry
N
NE
E
SE
S
SW
W
NW
Alta montaña
Límite del bosque
Bajo el límite del bosque
Probabilidad
Certain
Tamaño
1–2
Dry-loose avalanches in steep avalanche terrain involve the release of dry, unconsolidated snow. These avalanches occur within layers of soft snow near the surface of the snowpack. Dry-loose avalanches start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Dry loose avalanches may trigger slab avalanches that break into deeper snow layers.