Back in the southwest flow
Location Name: Forecaster Observation - Cascade and Skiumah, Flathead Range Observation date: Thursday, March 7, 2019 - 19:00 |
Is this an Avalanche Observation: Yes |
---|
Observation made by: Forecaster
Location
Tabs
Avalanche Details:
Date and Time of Avalanche:
Thursday, March 7, 2019 - 12:00
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
Trigger:
skier
Trigger Modifier:
Intentionally Triggered
Aspect:
East
Starting Elevation:
near-treeline
Destructive Size:
D1 Relatively harmless to people.
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
100ft.
Avalanche Width (Average width):
30ft.
Number of people caught:
0
Avalanche Location:
Date and Time of Avalanche:
Thursday, March 7, 2019 - 11:15
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Unknown
More information or comments about the avalanche:
Fresh debris piles observed, likely WS that initiated just below corniced ridgeline
Trigger:
natural
Aspect:
Northeast
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Avalanche Location:
Date and Time of Avalanche:
Thursday, March 7, 2019 - 15:15
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
Within storm snow
More information or comments about the avalanche:
One slide ran this morning, the other this afternoon. The steep rollovers above the lake.
Trigger:
natural
Aspect:
East
Starting Elevation:
near-treeline
Destructive Size:
D1 Relatively harmless to people.
Relative Size:
R1 Very Small
Avalanche Length (Vertical Run):
80ft.
Avalanche Width (Average width):
30ft.
Avalanche Location:
SE, E, or NE aspects.