The last forecast for the 2022-2023 season was posted on April 30th. Thanks to everyone who supported the Sierra Avalanche Center this season by submitting observations, assisting with education, volunteering, and/or donating.

The last forecast for the 2022-2023 season was posted on April 30th. Thanks to everyone who supported the Sierra Avalanche Center this season by submitting observations, assisting with education, volunteering, and/or donating.
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February 14, 2010 at 7:59 am |
This morning the avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger will form on E-SE-S-SW-W aspects steeper than 35 degrees due to daytime warming today. Use normal caution when traveling in the backcountry. |
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A strong high-pressure ridge will keep the weather warm and dry over the forecast area. The forecast calls for temperatures to climb another 3-7 degrees over yesterday's high temperatures during the day. A low-pressure system north of the area will cause a layer of high clouds to linger over the region through tomorrow.
Skiers reported numerous wet, point-release avalanches on steep, sun-exposed slopes on Incline Lake Peak (Mt. Rose backcountry) yesterday. They also triggered one small wet-slab avalanche on a 38-degree, sun-exposed slope below treeline (photo and more information). On Silver Peak (Pole Creek drainage), 1-3 inches of weak, wet, heavy, slushy snow existed on the sun-exposed SE-S aspects by noon. Ski-cuts on 38-degree test slopes did release some small roller-balls in this area. On the more northerly aspects, a thin, mostly-breakable crust existed on top of soft, unconsolidated snow up to 8000' in the Silver Peak area. On the sheltered northerly aspects above 8000', 3-4" of soft, unconsolidated snow remains on the surface. A mix of hard wind-slabs, wind-crusts, and soft snow existed on the surface on the more exposed northerly slopes near and above treeline. Layer bonding tests, hand-pits, and ski-cuts on several steep test slopes indicated a mostly stable snowpack on the more northerly aspects.
Avalanche Concerns:
A light overnight refreeze and warm daytime temperatures will work to create more wet-snow instabilities today. Most of these wet-snow instabilities should take the form of roller-balls and point-release slides. Like yesterday, small wet slabs may become possible as well. These slides could entrain enough snow to push a person off course and into trouble. These instabilities will mostly likely exist on sun-exposed E-SE-S-SW-W aspects. If the forecast area sees more sunshine than forecasted today, these wet-snow instabilities will become more widespread.
This morning the avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger will form on E-SE-S-SW-W aspects steeper than 35 degrees due to daytime warming today. Use normal caution when traveling in the backcountry.
0600 temperature: | 30-33 deg. F. |
Max. temperature in the last 24 hours: | 34-40 deg. F. |
Average wind direction during the last 24 hours: | Southwest |
Average wind speed during the last 24 hours: | 10-15 mph |
Maximum wind gust in the last 24 hours: | 29 mph |
New snowfall in the last 24 hours: | O inches |
Total snow depth: | 69-107 inches |
For 7000-8000 ft: |
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Sunday: | Sunday Night: | Monday: | |
Weather: | Mostly cloudy | Mostly cloudy | Mostly cloudy |
Temperatures: | 41-48 deg. F. | 24-30 deg. F. | 42-49 deg. F. |
Wind direction: | West southwest | Southwest | Variable |
Wind speed: | 10 mph | 10 mph | Light |
Expected snowfall: | O in. | O in. | O in. |
For 8000-9000 ft: |
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Sunday: | Sunday Night: | Monday: | |
Weather: | Mostly cloudy | Mostly cloudy | Mostly cloudy |
Temperatures: | 41-47 deg. F. | 21-28 deg. F. | 42-48 deg. F. |
Wind direction: | West southwest | West | West |
Wind speed: | 10-15 mph with gusts to 35 mph | 10-20 mph with gusts to 35 mph | 10 mph |
Expected snowfall: | O in. | O in. | O in. |
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