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.

Roller balls/snow snails in pole creek drainage

Location Name: Pole creek road Region: Cabin Creek, Deep Creek, or Pole Creek Area Observation Date & Time: Friday, December 14, 2018 - 11:00
Location: 39.232288, -120.212464 See map: CalTopo	Is this an Avalanche Observation?: No Conditions Alerts: Rapid or Prolonged Warming Rapid or Prolonged Warming›Rollerballs / Pinwheels Rapid or Prolonged Warming›Warm Temperatures Terrain Alerts: Slopes Steeper than 30 degrees

Observation made by: Public

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Observation

Description of Snow, Weather, and Avalanche Conditions:

Snow snails/roller balls observed on 35 degree ENE road cut @ approximately 1100 hrs at 6300ft. Moderate southerly winds produced no wind transport at the time due to moist snow( winds were scattering debris ie pine needles and branches) ski/boot pen = 15/30 cm

Snowpack Details

Total Snow Depth:

30cm

Persistent Weak Layers:

Not observed

Terrain Details

Terrain: elevations:

Below Treeline

Terrain: aspects:

Weather Details

Elevation of Observation:

6000-7000 ft.

Blowing Snow:

None

Wind Direction:

South

Wind Speed:

Moderate

Sky Cover:

Scattered - Partly Cloudy - 3/8 to 4/8 covered

Precipitation:

None

Air temperature:

Above Freezing

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Roller balls/snow snails in pole creek drainage

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Roller balls/snow snails in pole creek drainage

Conditions Alerts:

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