Sawtooth Avalanche Center

Pro Field Report

Basic Information

Observation Details

Observation Date:
March 11, 2023
Submitted:
March 12, 2023
Observer:
SAC - VandenBos
Zone or Region:
Galena Summit and Eastern Mtns
Location:
North Fork Big Wood

Signs of Unstable Snow

Recent Avalanches? 
Yes
Cracking? 
Isolated
Collapsing? 
Isolated

Advanced Information

Weather Summary

Cloud Cover:
Mostly Sunny

Avalanche Observations

 #  Date Location Size Type Bed Sfc Depth Trigger Photos Details
1 Mar 10, 2023
(+/- 1 day)
Upper Murdoch
SW 10100ft
D3.5 N-Natural
Report
2 Mar 10, 2023
(+/- 1 day)
Murdock
S 9000ft
D3 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
S 10000ft
D3 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
Otto's
W 10100ft
D3 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
Hyndman Creek
N 9500ft
D3 N-Natural Report
2 Mar 10, 2023
(+/- 1 day)
Corral Creek
NW 8800ft
D2.5 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
S 10000ft
D3 N-Natural Report
3 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
S 9800ft
D3 U-Unknown Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
E 10500ft
D2.5 N-Natural Report
4 Mar 10, 2023
(+/- 1 day)
Murdock
NW 8800ft
D2.5 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
Murdock
W 9400ft
D3 N-Natural Report
5 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
W 7801ft
D2 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
NW 8800ft
D2.5 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
E 9200ft
D2.5 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
Eagle Creek
W 9700ft
D3 N-Natural Report
2 Mar 10, 2023
(+/- 1 day)
Goat Creek
SE 9900ft
D2.5 N-Natural Report
1 Mar 11, 2023
(+/- 1 day)
Konrad
SE 9200ft
D2 N-Natural Report
3 Mar 10, 2023
(+/- 1 day)
Durrance
E 9300ft
D2.5 N-Natural Report
2 Mar 10, 2023
(+/- 1 day)
Durrance
SW 8800ft
D2.5 N-Natural Report
5 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
S 9500ft
D2.5 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
SE 10400ft
D3.5 N-Natural
This very large persistent slab avalanche was observed in the Boulder Mountains. It failed over 3,000' wide, wrapping around S-SE-E-NE aspects between 10,000' and 10,800'.
Report
1 Mar 10, 2023
(+/- 1 day)
North Fork Big Wood
SE 10700ft
D3 N-Natural Report
1 Mar 10, 2023
(+/- 1 day)
Goat Peak
NE 10200ft
D3 N-Natural
Report
2 Mar 10, 2023
(+/- 1 day)
Adams Gulch
N 8000ft
D2 N-Natural Report
Upper Murdoch
Murdock
North Fork Big Wood
Otto's
Hyndman Creek
Corral Creek
North Fork Big Wood
North Fork Big Wood
North Fork Big Wood
Murdock
Murdock
North Fork Big Wood
North Fork Big Wood
North Fork Big Wood
Eagle Creek
Goat Creek
Konrad
Durrance
Durrance
North Fork Big Wood
North Fork Big Wood
North Fork Big Wood
Goat Peak
Adams Gulch

Snowpack Observations

Primary objective was to get up high and glass for avalanches in the surrounding area. I will continue to add avalanche occurrences to this observation.