Professional Observation

Basic Information

Observation Date:

March 30, 2023

Submitted:

March 30, 2023

Observer:

Everett Phillips | ESAC Forecaster

Zone or Region:

Bishop Creek

Location:

Bishop Creek - Avalanches

Recent Avalanches?

Yes

Cracking?

None Experienced

Collapsing?

Isolated

Several types of avalanches were visbile up Bishop Creek today. Reactive slabs likely at at the new / old interface in wind loaded pockets NTL. Mid-storm natural avalanches with refilled crown that appear to have broken into the old snow. One that put a small tree on the South Lake Rd. And plenty of sluffing in loose snow in sheltered areas.

ENE, 8800' - Refilled mid-storm cronw from 3/29/23

NE, 8500' - Large natural avlanche than ran into the South Lake Rd. on 3/29/23

ENE, 10000', Bishop Creek. Skier tirggered from below on the skin track. No involvements and no injuries. 3/30/23

Sluffing (D1 Loose Dry) West aspect BTL , Bishop Creek, 3/30/23

Advanced Information

Cloud Cover:

Partly Cloudy

Temperature:

Not Obs

Wind:

Calm

#	Date	Location	Size	Type	Bed Sfc	Depth	Trigger	Comments	Photo
1	Today	Bishop Creek E 10,000'	D2	SS		2 ft.	AS-Skier r-Remote	Skier triggered from the skin track. Party of two reported a large whumpf while skinning through the tress lower on the slope and seeing the slab come down from below the ridgeline. Debris ran past their location, but there were no involvements and no injuries.	None
1	Past 48 hours	South Lake Rd. Bishop Creek NE 8500'	D2.5	SS	O-Old Snow		N-Natural	This avalanche propagated widely connecting terrain features, and although the crown refilled it looks like it broke down to older layers. Small branches and trees in the debris moved from the road by the road crew.	None
1	Past 48 hours	Bishop Creek - Bishop Bowl E 8800'	D2	SS	O-Old Snow		N-Natural		None
Many	Past 48 hours	Bishop Creek W BTL	D1	L	S-New Snow	20 - 40 cm	N-Natural	Many small dry loose avalanches visible BTL in Bishop Creek today. 3/30/23	None