Sawtooth Avalanche Center

Weak Layer

Weak Layer Information

Layer Burial Date:
December 11, 2021
Layer Grain Type (Primary):
FC - Faceted Crystals
Layer Grain Type (Secondary):
MFcr - Melt Freeze Crust
Comments:

This surface varies widely by aspect. Dirt on low and most middle elevation solars, crusts with fine-grained facets on some middle and upper elevation solars, variably thick piles of facets on margins and shaded aspects. The burial date represents the day that this was finally buried across our region, though this surface developed over days to weeks, depending on location.

Weak Layer Observations

Professional Field Reports:
Feb 7, 2022 - Pole Creek
Feb 6, 2022 - Trail Creek/Lake Creek Divide
Feb 5, 2022 - North Fork Big Wood
Jan 31, 2022 - Galena Peak
Jan 27, 2022 - Grays Peak
Jan 29, 2022 - Fourth of July Drainage
Jan 27, 2022 - Butterfield
Jan 25, 2022 - Camp Creek
Jan 19, 2022 - Mushroom Ridge, Horse Ck
Jan 17, 2022 - Owl Creek
Jan 12, 2022 - Shaw Mtn
Jan 11, 2022 - Fourth of July Drainage
Jan 10, 2022 - Bear Creek
Jan 9, 2022 - Fishhook
Jan 7, 2022 - Titus Ridge
Jan 5, 2022 - Above Baker Lake
Jan 4, 2022 - Horton Pk
Jan 3, 2022 - East Fork Big Wood
Jan 2, 2022 - Trail/Corral Creek
Dec 31, 2021 - Cape Horn Ridge
Dec 30, 2021 - Frenchmans Creek
Dec 29, 2021 - Between Boulder Ck and Dry Ck
Dec 28, 2021 - Warm Springs Ck, Shaw
Dec 27, 2021 - Baker Creek
Dec 26, 2021 - Butterfield
Dec 26, 2021 - Baker Lake TH, Castle Creek
Dec 24, 2021 - Spring/Cherry divide
Dec 23, 2021 - Avalanche Peak
Dec 22, 2021 - Fox Peak
Dec 21, 2021 - Wells Summit
Dec 20, 2021 - McDonald
Dec 19, 2021 - Beaver Creek
Dec 18, 2021 - Baker Creek
Dec 17, 2021 - Beaver Creek
Dec 16, 2021 - Morgan Ridge
Dec 15, 2021 - Galena Peak
Dec 14, 2021 - Titus Ridge
Dec 12, 2021 - Titus Ridge
Avalanche Occurrences:
Jan 7, 2022 - Alturas Lake Creek Drainage
Jan 6, 2022 - East Fork Big Wood River
Jan 6, 2022 - Croesus Peak?
Jan 6, 2022 - Washington Peak
Jan 6, 2022 - Peak 9745 above Toxaway Lake
Jan 6, 2022 - Owl Cr
Jan 6, 2022 - Imogene
Jan 6, 2022 - Fishhook
Jan 7, 2022 - Titus/Big Wood divide (Ed's Face)
Jan 6, 2022 - Galena Peak
Dec 30, 2021 - Mine Bender
Dec 29, 2021 - Morgan Ridge
Dec 24, 2021 - Eureka Gulch?
Dec 24, 2021 - South of McDonald Peak
Dec 26, 2021 - Paradise Creek
Dec 26, 2021 - Murdoch Creek
Dec 24, 2021 - Galena Peak - NW Bowl
Dec 23, 2021 - "Marshall Slide" near Williams Peak
Dec 14, 2021 - SVHS Remote Terrain - Western Smokys
Dec 21, 2021 - Snowslide Creek - Western Smoky Mtns
Dec 20, 2021 - McDonald Peak
Dec 17, 2021 - Nose Bowl - Soldier Mtns: Peak 2
Dec 14, 2021 - Baker Creek
Dec 14, 2021 - Baker Creek
Dec 14, 2021 - Ridge South of Paymaster PK
Dec 14, 2021 - North Fork Big Wood
Dec 14, 2021 - Goat
Dec 14, 2021 - Beaver Creek
Dec 14, 2021 - Beaver Creek
Dec 14, 2021 - Below highway 75 uphill of Camp Creek bend
Dec 14, 2021 - Owl Creek
Dec 14, 2021 - Titus Peak
Dec 14, 2021 - Saviers Peak
Dec 14, 2021 - Prairie Creek
Dec 14, 2021 - Cabin Creek
Dec 14, 2021 - Copper Mountain
Dec 14, 2021 - Horstmann Peak
Dec 14, 2021 - Titus Ridge
Dec 13, 2021 - Baker Creek drainage
Dec 12, 2021 - Titus Ridge (above Titus Lake)