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.

Relay Peak Observations

Location Name: East Ridge Relay Peak Region: Mount Rose Area Observation Date & Time: Sunday, February 25, 2018 - 11:00
Location: 39.313640, -119.936180 See map: CalTopo	Is this an Avalanche Observation?: No Conditions Alerts: Persistent Problem

Observation made by: Forecaster

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Old near surface facets were found buried under the last storms of low density snow similar to other recent observations in the Mt. Rose area. This faceted layer could become a problem in the future as additional snow loads this weak layer. Snowpack tests and informal observations showed that this weak layer does not represent a current problem with no cohesive slab above it. That could change as more storms are forecasted for our region starting tonight.

No snow transport observed today. Light NW winds began to increase mid day to the moderate range. Evidence of NE and NW wind scouring in near treeline and above treeline terrain. Some E aspects had soft snow up to 10,000' while other aspects were wind scoured.

Snowpilot error: Problematic layer is 136 to 147cm. CT's and PST's are at 147cm.

Near surface facets buried under recent storm snow at pit location. N aspect, 9600', NTL terrain.

Wind textured snow surface at 9600', N aspect, just off ridgeline.

E aspect wind effected snow at 9600'.

Snowpit or crown profile photo or graph:

Snowpack Details

Total Snow Depth:

166cm

Persistent Weak Layers:

Buried

Terrain Details

Terrain: elevations:

Near Treeline

Below Treeline

Terrain: aspects:

Weather Details

Elevation of Observation:

8000 - 9000 ft.

Above 9000 ft.

Blowing Snow:

None

Wind Direction:

Northwest

Wind Speed:

Light

Sky Cover:

Few - Mostly Clear - up to 2/8 covered

Precipitation:

None

Air temperature:

Below Freezing

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