The last avalanche forecast for the 2023-2024 season will post on April 21st. Thank you to all who contributed to the avalanche center this season through observations, volunteer time, and/or financial contributions.

Avalanche near Floriston on I80

Location Name: Truckee River Canyon Near Floriston Region: Outside of the Forecast Area Observation Date & Time: Tuesday, March 14, 2023 - 18:00
Location: 39.383554, -120.034355 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Recent Loading Recent Loading›Rain on Snow Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path Terrain Matches the Advisory

Observation made by: Forecaster

Tabs

Observation

Description of Snow, Weather, and Avalanche Conditions:

I saw this avalanche while driving on I80 on 3/16. It likely occurred on 3/14. It looks like a hybrid wind-slab and wet slab avalanche.

Avalanche Details

Avalanche Type:

Wind Slab

Failure Plane/Weak Layer:

Storm Snow

Trigger

Trigger:

Natural

Terrain

Aspect:

East

Starting Elevation:

below-treeline

Size

Destructive Size:

D2 Could bury, injure, or kill a person.

Relative Size:

R4 Large

Crown Height:

2 ft

Avalanche Width (Average width):

300ft.

Avalanche Length (Vertical Run):

1000ft.

Sponsors:

Mt. Rose Ski Tahoe

Kirkwood Mountain Resort

CA OHMVR

Heavenly Mountain Resort

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