Lawinenlagebericht

Provo

Veröffentlicht am Mar 24, 2021gültig bis Mar 25, 2021Utah Avalanche Center

Lawinengefahr

Hochgebirge
Waldgrenze
Unterhalb der Waldgrenze

Veraltet — dieser Lagebericht ist 5 years ago abgelaufen. Du siehst vergangene Verhältnisse, nicht den aktuellen Bericht.

Kernpunkte

The avalanche danger this morning is MODERATE at upper elevations as a result of increased northeast winds drifting snow. The danger at mid and lower elevations is LOW; however, look for isolated places at these elevations that can have fresh slabs of wind drifted snow as well. The snow on southerly facing slopes shouldn't heat up too much today to cause many wet avalanches, but pay attention to changing conditions and be prepared to alter your plans if you see the snow heating up and becoming wet.

Lawinenprobleme

Wind Slabs
N
NE
E
SE
S
SW
W
NW
Hochgebirge
Waldgrenze
Unterhalb der Waldgrenze
Wahrscheinlichkeit
Possible
Größe
2
Northeast winds increased overnight and formed fresh slabs of wind drifted snow which can be triggered today. Easterly winds are always a red flag because they transport snow in weird patterns, drifting snow in some places while not in others.

This problem will mostly be a concern at upper elevations with the highest wind speeds, but watch for it at lower elevations where easterly winds were funneled. Places like Parley's Canyon get much stronger east winds and there are many other smaller gaps in the mountains where these winds have blown stronger.
Loose Wet
N
NE
E
SE
S
SW
W
NW
Hochgebirge
Waldgrenze
Unterhalb der Waldgrenze
Wahrscheinlichkeit
Unlikely
Größe
1
With new snow and strong sunshine today, there could be some wet avalanches of loose snow. Cool air temperatures, some wind, and late afternoon clouds should prevent the snow from heating up too much. However, look for signs that the snow on southerly aspects is warming and getting wet. Seeing pinwheels and balls of snow rolling downhill with increasing frequency is a clue that wet loose avalanches may happen. Exposed rocks heat up very quickly and are often places where wet avalanches will happen first.

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Recent Activity

On Monday there were several soft slab avalanches in the new snow reported. Several in White Pine (6-8 inches deep and 100 feet wide) and another above Snake Creek (about 50 feet wide).

Snow and Weather

Overnight, easterly winds increased and are quite gusty this morning mostly in areas to the north. At 11,000 feet they are blowing 30 mph gusting to 40 mph from the northeast. Easterly winds are funny and seem to blow strong in some places while not in others depending on where they are funneled. At most ridgelines, these winds are blowing 10 mph gusting 20 mph from the northeast. Temperatures this morning in the upper teens to low 20s F.

Today winds should ease some and shift to the north and then to the west by later this afternoon blowing about 5-15 mph. Skies will be clear this morning with some high clouds arriving this afternoon. Air temperatures shouldn't warm up too much reaching the upper 30s to low 40s F at lower elevations.

Snow conditions are generally quite good following snowfall this weekend. Periods of sunshine have affected more southerly facing slopes, but the snow on more northerly facing slopes that don't receive direct sunshine should have dry powder. The main issue on snow quality is the effect of the easterly winds overnight.

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