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Mostly Filled in Wind Slab Avalanches in the Mt. Rose Area

Location Name: Mt. Rose Backcountry Region: Mount Rose Area Observation Date & Time: Monday, February 4, 2019 - 12:00
Location: 39.314153, -119.916076 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Other Signs of Instability (cracking, whumpfing, collapsing) Other Signs of Instability (cracking, whumpfing, collapsing)›Shooting Cracks Recent Loading Recent Loading›Blowing Snow Recent Loading›More Than a Foot of New Snow Recent Loading›Snowfall Rates of More Than 1 in/hr Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path Trigger Points Terrain Matches the Advisory

Location Name:

Mt. Rose Backcountry

Region:

Mount Rose Area

Observation Date & Time:

Monday, February 4, 2019 - 12:00

Location:

39.314153, -119.916076

See map: CalTopo

Is this an Avalanche Observation?:

Yes

Conditions Alerts:

Avalanche Activity
Other Signs of Instability (cracking, whumpfing, collapsing)
Other Signs of Instability (cracking, whumpfing, collapsing)›Shooting Cracks
Recent Loading
Recent Loading›Blowing Snow
Recent Loading›More Than a Foot of New Snow
Recent Loading›Snowfall Rates of More Than 1 in/hr

Terrain Alerts:

Slopes Steeper than 30 degrees

Obvious Slide Path

Trigger Points

Terrain Matches the Advisory

Observation made by: Forecaster

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

On Tuesday 2/5/19 we could see some evidence of avalanches that likely occurred on Monday 2/4/19 and were subsequently buried by storm snow and additional wind loading during the afternoon and overnight. Some mostly buried debris is visible in the photos and some mostly filled in crown lines. The first photo shows a ghostly outline of the flanks and runout zone that has mostly refilled.

Mostly buried avalanche on Tamarack Peak

Mostly filled in avalanche crown on Relay Peak

Cornice debris from a mostly buried cornice collapse and wind slab avalanche on Tamarack Peak

Avalanche Details

Avalanche Type:

Wind Slab

Additional number of similar avalanches:

Trigger

Trigger:

Natural

Terrain

Aspect:

Northeast

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Mostly Filled in Wind Slab Avalanches in the Mt. Rose Area

Conditions Alerts:

Tabs

Sponsors:

Forecast Links

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Observations

Incidents

Submit Observations

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Remote Weather Stations

National Weather Service

Model Forecasts

Local Resources

The SAC Daily Flow

Forecast Tutorials

Other Resources

Mostly Filled in Wind Slab Avalanches in the Mt. Rose Area

Conditions Alerts:

Tabs

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