Small avalanche up deep creek

Location Name: 
Deep creek
Region: 
Cabin Creek, Deep Creek, or Pole Creek Area
Observation Date & Time: 
Wednesday, March 25, 2020 - 10:00
Location: 
39.247127, -120.239721
See map: CalTopo
Is this an Avalanche Observation?: 
Yes


Conditions Alerts:

  • Recent Loading
  • Recent Loading›Blowing Snow
  • Recent Loading›More Than a Foot of New Snow

Terrain Alerts: 
Slopes Steeper than 30 degrees
Terrain Matches the Advisory
Observation made by: Public

Tabs

Observation
Description of Snow, Weather, and Avalanche Conditions: 

10” Fresh snow on an old sun crust layer.   Evidence of wind loading at start zone.  During a ski cut and the wind slab fractured then stepped down to the new snow slab.   

 

Hide Terrain Details
Terrain: elevations: 
Near Treeline
Terrain: aspects: 
NE
Hide Avalanche Details
Avalanche Type: 
Storm Slab
Failure Plane/Weak Layer: 
New/old snow interface
Hide Trigger
Trigger: 
Skier
Trigger Modifier: 
Intentionally Triggered
Hide Terrain
Start Zone Slope Angle: 
30degrees
Aspect: 
Northeast
Starting Elevation: 
near-treeline
Hide Size
Destructive Size: 
D1 Relatively harmless to people.
Relative Size: 
R2 Small
Crown Height: 
1 ft
Avalanche Width (Average width): 
100ft.
Avalanche Length (Vertical Run): 
400ft.
Hide People Involved
Number of people caught: 
1
Number of partial burials: 
0
Number of full burials: 
0
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