Near and below treeline MODERATE avalanche danger exists on NW-N-NE aspects steeper than 32 degrees, today. Human triggering of large, destructive avalanches with serious consequences will be possible in these areas. Above treeline pockets of MODERATE avalanche danger exist on wind-loaded NW-N-NE-E aspects steeper than 35 degrees.

Avalanche danger is CONSIDERABLE today in wind loaded areas near and above treeline on NW-N-NE-E-SE aspects, 34 degrees and steeper. Near treeline and below treeline, avalanche danger is CONSIDERABLE on NW-N-NE aspects near and above 7,000' on slopes 32 degrees and steeper due to possible overloading of persistent weak layers near the base of the snowpack. In other areas, avalanche danger is MODERATE.

Near and above treeline, pockets of CONSIDERABLE danger are expected to form today in wind loaded areas on NW-N-NE-E aspects, 34 degrees and steeper. Below treeline avalanche danger is MODERATE on NW-N-NE aspects, 34 degrees and steeper due to continued instability of a variety of weak layers.

Pockets of CONSIDERABLE avalanche danger exist on NW-N-NE-E aspects steeper than 35 degrees at all elevations. MODERATE danger exists on cross-loaded NW and SE aspects steeper than 35 degrees near and above treeline.

Near and above treeline, avalanche danger is HIGH on NW-N-NE-E aspects 34 degrees and steeper. Below treeline, avalanche danger is MODERATE with pockets of CONSIDERABLE danger in open areas on NW-N-NE-E aspects and in creek beds 34 degrees and steeper.

For most areas, avalanche danger is LOW. Isolated pockets of MODERATE avalanche danger exist above 8,000' both near treeline and below treeline on NW-N-NE aspects, 32 degrees and steeper.

LOW avalanche danger exists in most areas. However, pockets of MODERATE avalanche danger remain on NW-N-NE aspects above 8,000' in near-treeline and below-treeline areas on slopes 32 degrees and steeper.

Pockets of MODERATE avalanche danger linger above 8,700' in near treeline and below treeline areas on slopes 32 degrees and steeper. For all other areas, avalanche danger is LOW.

LOW avalanche danger exists across most of the forecast area. Some isolated pockets of MODERATE danger may still remain on NW-N-NE aspects steeper than 32 degrees above 8700'.

Areas of MODERATE avalanche danger exist above 8,700' on NW-N-NE aspects 32 degrees and steeper both above and below treeline. For all other areas, avalanche danger is LOW. Expect the avalanche danger to increase quickly this afternoon and overnight during the storm.

Areas of MODERATE avalanche danger exist above 8,700' on NW-N-NE aspects 32 degrees and steeper both above and below treeline. For all other areas, avalanche danger is LOW.

Complex conditions exist during the early season. On N-NE aspects above 8800 ft and steeper than 32 degrees where the combination of facets on top of an ice layer with new snow above exists the avalanche danger is MODERATE . Human-triggered avalanches will be possible on these slopes today.

Fall Conditions Update

Despite very little snow on the ground, conditions are complex and the snowpack structure is weak. Pay attention out there!

Fall Avalanche Statement

The Tahoe National Forest Sierra Avalanche Center is closed for the season. Avalanche advisories will resume in the fall of 2009. Check back once the snow begins to fly.

Today, the avalanche danger should remain LOW for all aspects and elevations. Some sluffing may occur in the new snow today. Some very small, isolated, human-triggerable winds slabs may exist on wind-loaded aspects near and above treeline.

This morning, the avalanche danger is LOW for all elevations and aspects. Above treeline on E-SE-S-SW-W aspects and below treeline on W aspects pockets of MODERATE avalanche danger should quickly develop on slopes 37 degrees and steeper in response to daytime warming. Larger areas of MODERATE avalanche danger should develop on slopes 37 degrees and steeper on E-SE-S-SW aspects below treeline.

Early this morning, avalanche danger is LOW for all elevations and aspects. Avalanche danger will rise to MODERATE on E-SE-S-SW-W aspects 37 degrees and steeper in response to daytime warming. Pockets of MODERATE danger will also form on NW-N-NE aspects, 37 degrees and steeper as warming occurs.

This morning the avalanche danger is LOW. Areas of MODERATE avalanche danger should quickly develop due to daytime warming on E-SE-S-SW-W aspects 37 degrees and steeper at all elevations today.

This morning the avalanche danger is LOW. Areas of MODERATE avalanche danger should quickly develop due to daytime warming on E-SE-S-SW-W aspects 37 degrees and steeper at all elevations today.

For most areas, avalanche danger is LOW for all elevations and aspects. Normal caution is advised. Pockets of MODERATE danger exist in the mountains directly south of Lake Tahoe near and above treeline on SE-S-SW aspects, 37 degrees and steeper.

This morning the avalanche danger is LOW. Pockets of MODERATE avalanche danger should quickly develop due to daytime warming on E-SE-S-SW-W aspects 37 degrees and steeper at all elevations today.

This morning the avalanche danger is LOW. Areas of MODERATE avalanche danger should quickly develop due to daytime warming on E-SE-S-SW-W aspects 37 degrees and steeper at all elevations today.

Near and above treeline, areas of MODERATE avalanche danger exist on NW-N-NE-E-SE aspects 37 degrees and steeper. Below treeline, avalanche danger is LOW.

This morning, avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger could form this afternoon below treeline on all aspects, 35 degrees and steeper in response to a combination of daytime warming and light rain.

This morning, avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger will form at all elevations on E-SE-S-SW-W aspects, 35 degrees and steeper in response to daytime warming.

For the vast majority of locations, avalanche danger is LOW. Some small and isolated pockets of instability are possible in the most heavily wind loaded areas near and above treeline on slopes 37 degrees and steeper. These areas of instability are not expected to present a significant hazard to backcountry travelers.

This morning, avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger may develop below treeline on sun-exposed, SE-S-SW-W aspects, 37 degrees and steeper in response to daytime warming.

This morning, avalanche danger is LOW for all elevations and aspects. Pockets of MODERATE danger may develop below treeline on sun-exposed, SE-S-SW aspects, 37 degrees and steeper in response to daytime warming.

Early this morning, avalanche danger is LOW for all elevations and aspects. Avalanche danger will quickly rise to MODERATE at all elevations on E-SE-S-SW-W aspects, 37 degrees and steeper in response to daytime warming.

Today, the avalanche danger is LOW for all elevations and aspects. Small, wet-snow instabilities may develop due to daytime warming on the sun-exposed E-SE-S-SW-W aspects 37 degrees and steeper below treeline today.

Near and above treeline, MODERATE avalanche danger exists on SE-S-SW-W-NW aspects 35 degrees and steeper. Below treeline, avalanche danger is LOW.

Near and above treeline, avalanche danger is CONSIDERABLE on NW-N-NE-E-SE aspects, 35 degrees and steeper. Below treeline, avalanche danger is MODERATE in open areas, 35 degrees and steeper.

This morning the avalanche danger is LOW for all aspects and elevations. On E-SE-S-SW-W aspects, the avalanche danger will quickly rise to MODERATE on slopes steeper than 35 degrees for all elevations due to daytime warming.

Near and above treeline, pockets of MODERATE avalanche danger exist on N-NE aspects, 37 degrees and steeper. On E-SE-S-SW-W aspects, the avalanche danger will increase to MODERATE on slopes steeper than 35 degrees for all elevations due to daytime warming.

Along the Sierra Crest north of Hwy 50, avalanche danger is MODERATE near and above treeline on N-NE-E aspects, 35 degrees and steeper. Pockets of MODERATE danger exist on similar terrain on NW and SE aspects. For all other areas, avalanche danger remains LOW.

Avalanche danger is LOW for all elevations and aspects. LOW danger does not mean no danger. Continue to use safe travel habits and evaluate slopes carefully before weighting them.

Avalanche danger is LOW for all elevations and aspects. Even though avalanche activity will remain unlikely today, very isolated human-triggered, hard-slab avalanches are not impossible above treeline. Normal caution is advised.

Near and above treeline avalanche danger is LOW with isolated pockets of MODERATE danger on N-NE-E aspects, 37 degrees and steeper. Below treeline, avalanche danger is LOW.

Near and above treeline on open, wind-loaded slopes 37 degrees and steeper, isolated pockets of MODERATE avalanche danger could develop on NW-N-NE-E-SE aspects. Below treeline, avalanche danger is LOW.

Near and above treeline on open, wind-loaded slopes 35 degrees and steeper, pockets of MODERATE avalanche danger still exist on NW-N-NE-E-SE aspects. Below treeline, avalanche danger is LOW.

Near and above treeline, avalanche danger is HIGH on NW-N-NE-E-SE aspects, 35 degrees and steeper. Below treeline, avalanche danger is MODERATE with pockets of CONSIDERABLE danger in open, wind affected areas, 37 degrees and steeper.

On slopes steeper than 35 degrees near and above treeline the avalanche danger is CONSIDERABLE  for N-NE-E aspects with pockets of CONSIDERABLE on the NW and SE aspects. Below treeline the avalanche danger is MODERATE with pockets of CONSIDERABLE on open NW-N-NE-E-SE aspects 35 degrees and steeper.

The avalanche danger is LOW for most elevations and aspects. Pockets of MODERATE danger still exist on NW-N-NE aspects, 35 degrees and steeper between 7,400' and 8,700'. Avalanches may be more difficult to trigger today; however, if triggered, they could be large and have serious consequences.

Near and above treeline, avalanche danger is MODERATE on N-NE aspects, 35 degrees and steeper. Pockets of MODERATE danger also exist on adjacent aspects, 35 degrees and steeper. Below treeline, avalanche danger is MODERATE on N-NE aspects, 35 degrees and steeper between 7,400' and 8,700'.

Near and above treeline on slopes steeper than 35 degrees, the avalanche danger is MODERATE with pockets CONSIDERABLE on NW-N-NE-E aspects. Below treeline the avalanche danger on slopes steeper than 35 degrees remains CONSIDERABLE on NW-N-NE-E aspects, especially on slopes below 7800' in elevation. On the SE-S-SW-W aspects the avalanche danger is MODERATE at all elevations on slopes steeper than 35 degrees.

On slopes steeper than 35 degrees, the avalanche danger is HIGH on NW-N-NE aspects with pockets of HIGH danger on E aspects below 8700'.  On the SE-S-SW-W aspects that receive rain today the avalanche danger is CONSIDERABLE. Above 8700' the avalanche danger is CONSIDERABLE on N-NE-E aspects on slopes steeper than 35 degrees and MODERATE on other aspects.

Avalanche danger is LOW for all elevations and aspects. Human triggered avalanches are unlikely but not impossible today. An unlikely human triggered avalanche may be large with severe consequences possible. Use normal caution and good travel habits while in the backcountry.

Near and above treeline the avalanche danger is CONSIDERABLE on NW-N-NE-E aspects steeper than 37 degrees. Pockets of CONSIDERABLE danger should also exist on slopes steeper than 37 degrees on the NW-N-NE-E aspects below treeline. Avalanche activity will be less likely on the windward SE-S-SW aspects.