Forecaster Observation: Swan Range
Location Name: Forecaster Observation: Central Swan Range Observation date: Thursday, November 21, 2019 - 16:30 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Tabs
Avalanche Details:
Date and Time of Avalanche:
Thursday, November 21, 2019 - 14:00
Number of avalanches:
1
Avalanche Type:
Loose Dry/ Sluff
Failure Plane/Weak Layer:
Within storm snow
Trigger:
unknown
Start Zone Slope Angle:
45
Aspect:
Southwest
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Avalanche Location:
Date and Time of Avalanche:
Thursday, November 21, 2019 - 12:00
Number of avalanches:
4
Avalanche Type:
Loose Dry/ Sluff
Trigger:
natural
Starting Elevation:
above-treeline
Destructive Size:
D1 Relatively harmless to people.
We saw 4 or sluffs come out of upper elevation southerly aspects. Timing on these were sometime in the last 24 hours.