Bollettino valanghe

Salt Lake

Pubblicato il Feb 24, 2020valido fino al Feb 25, 2020Utah Avalanche Center

Pericolo valanghe

Alta quota
Limite del bosco
Sotto il limite del bosco

Non aggiornato — questo bollettino è scaduto 7 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

Today, the avalanche danger is MODERATE at mid and upper elevations on any slope with fresh slabs of wind drifted snow. These wind slabs should be shallow, and on north-facing slopes they should be very easy to trigger. On low elevation slopes or slopes either scoured or untouched by the wind, the avalanche danger is LOW.

Problemi valanghivi

Wind Slabs
N
NE
E
SE
S
SW
W
NW
Alta quota
Limite del bosco
Sotto il limite del bosco
Probabilità
Possible
Dimensione
1
This morning's very strong winds have drifted snow and formed fresh slabs that will be the only avalanche problem today. They should be very small because there are only a few inches of new snow for winds to move. North facing slopes have dry powder, and very strong winds this morning will find this dry snow and transport it as well.

Look for these fresh wind slabs at mid and upper elevations on slopes loaded by these west and northwest winds. With such strong winds, there may not be any fresh drifts at upper elevations, and you may have the best chance for finding these slabs at mid elevations with lower wind speeds.

Any fresh wind slab on a north facing slope should be very easy to trigger because it will be resting on weak, recrystallized powder.

Special Announcement

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Recent Activity

Yesterday's warm temperatures heated the snow but caused few wet avalanches. However, a small, wet loose slide about 30 ft wide caught a person on a south facing slope on Davenport Hill in upper Little Cottonwood Canyon.

Snow and Weather

Yesterday, warm temps and strong sunshine warmed the snow on most slopes enough to make it wet. These slopes should be frozen solid with a hard ice crust this morning capped by a dusting of new snow. Only north facing slopes at mid and upper elevations still have dry powder.

This morning, 1-3 inches of snow has fallen. Temperatures plummeted into the single digits F at upper elevations. At about 7000 feet, temperatures are only in the low 20s F. Winds have been ripping across the high peaks this morning with gusts reaching 100 mph at 11,000 feet at 4 a.m. Otherwise, winds from the west and northwest have been averaging 15-25 mph gusting 30-40 mph.

Today will be cold and cloudy with snow falling but not accumulating. Very strong winds this morning should ease some today, but continue from the west and northwest. Temperatures will reach the teens and low 20s F.

General Announcements

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This information does not apply to developed ski areas or highways where avalanche control is normally done. This forecast is from the U.S.D.A. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions and local variations always occur.

Observations and Avalanches

Backcountry Emergency Procedures