Sawtooth Avalanche Center

Weak Layer

Weak Layer Information

Layer Burial Date:
December 11, 2020
Layer Grain Type (Primary):
FCsf - Near-Surface Facets
Layer Grain Type (Secondary):
Comments:

Buried on 12/13 in some locations, but it seems like it was buried in more of our area on 12/11. May exist below a thin crust on margin aspects (E & W).

Media

Snow pit from near the summit of Dollarhide Mountain. The snowpack was thin, very weak, and sugary.
Pit at 9700', NNE, 33*. Top 12 inches consisted of very weak, well developed facets. No October basal facets were present.
Photo of a snowpit on an E aspect at 9250' near Titus Ridge.

Weak Layer Observations

Professional Field Reports:
Mar 2, 2021 - Galena Summit
Feb 24, 2021 - Gladiator Pk
Feb 22, 2021 - Butterfield
Feb 21, 2021 - Shaw, near Dollarhide Summit
Feb 18, 2021 - Avalanche Peak (WRV and Smiley Ck Sides)
Feb 17, 2021 - Galena Peak
Feb 16, 2021 - Baker Ck
Feb 13, 2021 - Cape Horn Ridge
Feb 12, 2021 - Frenchmans
Feb 11, 2021 - Baker Lake
Feb 10, 2021 - 4th of July Ck
Feb 6, 2021 - Prairie Peak
Feb 5, 2021 - Pole Creek
Feb 4, 2021 - McDonald Peak
Feb 4, 2021 - Copper
Feb 3, 2021 - Wells Summit
Jan 28, 2021 - Titus Ridge, driving Stanley to Ketchum
Jan 23, 2021 - Pole Creek/Head of Germania Creek
Jan 21, 2021 - Couch Summit, Fleck Summit, S. Fork Boise River
Jan 20, 2021 - Shaw
Jan 18, 2021 - Langer Peak
Jan 16, 2021 - Southern Sawtooths near Cabin Creek
Jan 15, 2021 - NE corner of Banner Summit zone
Jan 14, 2021 - Baker Lake, Brodie Gulch
Jan 13, 2021 - Titus Ridge
Jan 11, 2021 - Elk Creek Guard Station
Jan 11, 2021 - Butterfield
Jan 9, 2021 - Bench Lakes
Jan 8, 2021 - Baldy OB/Bassett Gulch
Jan 7, 2021 - Boulder Ck
Jan 7, 2021 - Pole Creek
Jan 7, 2021 - Spring and Cherry Cks
Jan 5, 2021 - Baker Creek
Jan 6, 2021 - Peak 2
Jan 6, 2021 - Cape Horn Ridge
Jan 4, 2021 - Mushroom Ridge
Jan 3, 2021 - Dollarhide
Jan 3, 2021 - Coyote Yurt- East Fork Baker Creek
Jan 2, 2021 - Goat Creek
Jan 1, 2021 - Eagle Creek
Jan 1, 2021 - Cape Horn Summit
Dec 31, 2020 - Beaver Creek
Dec 30, 2020 - Butterfield
Dec 28, 2020 - Smiley Creek
Dec 28, 2020 - Baker Ck
Dec 27, 2020 - Titus Ridge
Dec 26, 2020 - 4th of July Lake
Dec 25, 2020 - Williams Peak Area
Dec 24, 2020 - Dollarhide Mountain
Dec 23, 2020 - E. Fork Baker Creek - Fox Peak
Dec 22, 2020 - South of Copper
Dec 21, 2020 - Langer Area
Dec 20, 2020 - Copper
Dec 19, 2020 - Titus Ridge
Dec 18, 2020 - Langer Area
Dec 17, 2020 - McDonald
Avalanche Occurrences:
Feb 19, 2021 - Shaw
Feb 13, 2021 - Titus Ridge (above Titus Lake)
Jan 28, 2021 - Sawmill Canyon
Jan 17, 2021 - Pole Creek Road near summit with Germania Creek
Jan 12, 2021 - Divide between Germania/Twin Cr
Jan 12, 2021 - Head of Germania Creek
Jan 13, 2021 - Head of Germania Creek
Jan 13, 2021 - Past Alturas Lake
Jan 15, 2021 - Coyote Yurt area
Jan 13, 2021 - Back side of Horton Peak
Jan 16, 2021 - Galena Summit, "SAC Class Knob"
Jan 13, 2021 - Iron/Goat Creek Divide
Jan 13, 2021 - Crooked Creek
Jan 5, 2021 - Steep/rocky solar terrain above Cape Horn rd
Jan 5, 2021 - Snowslide Peak
Jan 5, 2021 - Pinyon Gulch
Jan 5, 2021 - Skillern Peak
Jan 6, 2021 - Skillern Creek
Jan 5, 2021 - Paradise Creek
Jan 6, 2021 - Paradise Creek
Jan 6, 2021 - Paradise Creek
Jan 5, 2021 - Location uncertain but in the mountains around Smiley Creek
Jan 9, 2021 - Upper Gladiator Creek
Jan 5, 2021 - Bassett Gulch
Jan 5, 2021 - Pole Creek Summit
Jan 5, 2021 - Pole Creek Summit
Jan 5, 2021 - Pole Creek Summit
Jan 5, 2021 - Pole Creek Summit
Jan 5, 2021 - South of Copper
Jan 5, 2021 - Fir Creek
Jan 5, 2021 - Head of Swamp Creek
Jan 4, 2021 - Germania Ck - Peak 10181
Jan 4, 2021 - Goat Peak - Boulder Mountains
Jan 4, 2021 - Merritt Peak - Goat Ck
Jan 4, 2021 - Horton Peak - Salmon River
Jan 4, 2021 - Cabin Ck
Jan 4, 2021 - Eagle Ck
Jan 4, 2021 - Abes Armchair - Sawmill and Smiley Ck
Jan 4, 2021 - Smiley Ck
Jan 4, 2021 - Smiley Ck
Jan 4, 2021 - Anderson Ck
Jan 4, 2021 - Goat Ck
Jan 4, 2021 - Goat Ck
Jan 2, 2021 - Above Alturas Lake
Dec 31, 2020 - Anderson Creek
Jan 1, 2021 - Snowslide Drainage
Dec 26, 2020 - Governors Punchbowl area
Dec 27, 2020 - Avalanche Peak East Bowl
Dec 26, 2020 - Titus Ridge "Forecasters' Rocks"
Dec 26, 2020 - Avalanche Peak East Bowl
Dec 20, 2020 - Apollo Ck
Dec 20, 2020 - Snowslide Ck
Dec 20, 2020 - Pinyon
Dec 20, 2020 - Pinyon
Dec 20, 2020 - Pinyon
Dec 20, 2020 - Paradise Peak
Dec 20, 2020 - Paradise Peak
Dec 20, 2020 - Paradise Peak
Dec 20, 2020 - Paradise Peak
Dec 21, 2020 - Northern Sawtooths
Dec 21, 2020 - The "X"
Dec 21, 2020 - Two bowls south of Copper Mtn, draining into Swamp Creek
Dec 21, 2020 - Bowl south of Copper Mtn
Dec 21, 2020 - Base of Copper Mtn
Dec 21, 2020 - Base of Copper along HWY 21
Dec 20, 2020 - Baker Creek
Dec 17, 2020 - Langer area
Dec 17, 2020 - Langer area
Dec 17, 2020 - McDonald