Ongoing avalanche activity in GNP
Location Name: Forecaster Observation - Central Glacier NP Observation date: Monday, May 6, 2019 - 10:45 |
Is this an Avalanche Observation: Yes |
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Observation made by: Forecaster
Location
Tabs
Avalanche Details:
Date and Time of Avalanche:
Monday, May 6, 2019 - 13:45
Avalanche Type:
Wet Loose
Failure Plane/Weak Layer:
New/old snow interface
Trigger:
natural
Aspect:
Southeast
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Avalanche Location:
Date and Time of Avalanche:
Monday, May 6, 2019 - 13:45
Avalanche Type:
Wet Loose
Failure Plane/Weak Layer:
New/old snow interface
More information or comments about the avalanche:
Triggered a few small wet loose by kicking off rollerballs with ice axe from ridgeline on Mt. Jackson
Trigger:
on-foot
Trigger Modifier:
Intentionally Triggered
Aspect:
South
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Avalanche Location:
Date and Time of Avalanche:
Monday, May 6, 2019 - 14:00
Avalanche Type:
Loose Dry/ Sluff
Failure Plane/Weak Layer:
Within storm snow
Trigger:
skier
Trigger Modifier:
Intentionally Triggered
Start Zone Slope Angle:
50
Aspect:
Northwest
Starting Elevation:
above-treeline
Destructive Size:
D1.5
Relative Size:
R1 Very Small
Crown Height:
Less than 1 ft
Avalanche Length (Vertical Run):
1500ft.
Avalanche Location:
Date and Time of Avalanche:
Sunday, April 28, 2019 - 10:00
Avalanche Type:
Soft Slab
Failure Plane/Weak Layer:
New/old snow interface
More information or comments about the avalanche:
Natural wind slab on Jackson
Trigger:
natural
Aspect:
Northwest
Starting Elevation:
above-treeline
Destructive Size:
D2 Could bury, injure, or kill a person.
Relative Size:
R2 Small
Crown Height:
1 ft
Avalanche Location:
Ongoing sluffing throughout the day on the south face of Gunsight.