NWAC Photo Archive

Snow Profiles for the 2011 / 2012 Season
Northwest Weather and Avalanche Center
These snowpits were prepared either by NWAC staff, program cooperators or other contributors in the area indicated. Warning: Use care and common sense when applying snowpit and stability test information, and consult other sources whenever possible. For example: consult the NWAC, ski area or highway department avalanche personnel during the winter or early spring, and talk with Forest Service or Park Service rangers during the later spring and summer. These observations provide an historical framework and general guideline to trends in snow pack stability. You are responsible for using and applying any information. Choice not Chance causes most avalanche accidents. Each snowpit shown is a snapshot of the snowpack structure at a certain time and a certain place. It is a fact that the snow pack is highly variable, very dynamic, and snow structure and related stability can and do change within a few feet and often within a few hours, sometimes dramatically. By emailing snowpits to the NWAC, we assume that we have your permission to post them unless indicated otherwise. Please e-mail snowpits to
Date Location and Contributor
Apr 07 2012 Snoqualmie Pass, 3000 ft, flat ground near weather station by Luca Adelfio
Mar 17 2012 Stevens Pass, Hunter Hill by Brandon Levy
Mar 13 2012 Kite Bowl, Alpental by Garth Ferber, Mark Moore
Mar 10 2012 North Cascades - Varden Creek by Brad Sawtell
Mar 09 2012 Paradise_Pan_Face--6500 ft, NE aspect by Carrie Tomlinson
Mar 08 2012 Tatoosh Range by Garth Ferber
Mar 02 2012 Paradise Mt Rainier, Valley Road, by Carrie Tomlinson
Feb 29 2012 Stevens Pass by Dan Veenhuizen
Feb 27 2012 Yodelin, Stevens Pass, WA by Garth Ferber
Feb 26 2012 Crystal Mt - Dog Leg post avalanche 2-19-12 by Chris Morin
Feb 20 2012 Crystal Mt_WA--fracture profile of Dog Leg slab by Chris Morin
Feb 19 2012 Stevens Pass, north-central Cascades, WA--just east of Summit Lake, ~4800 ft, WNW aspect by Mike Miller--WSDOT
Feb 14 2012 Paradise_Mt_Rainier, Edith Ck, 6200 ft, ESE by Carrie Tomlinson
Feb 10 2012 Stevens Pass, hoar frost buried at 9-10 cm by Brandon Levy
Feb 07 2012 Paradise_Mt_Rainier, Roller Coaster, ~5200 ft, SSE aspect by Carrie Tomlinson
Jan 31 2012 Paradise_Mt_Rainier, Silver Snag, 5200ft, SSE aspect by Carrie Tomlinson
Jan 27 2012 Jim Hill, Stevens Pass by Garth Ferber
Jan 23 2012 North Cascades - Varden Creek by Larry Goldie
Jan 22 2012 Near Leavenworth, WA, east slopes north-central Cascades, ~5780 ft, SE aspect by Mike Miller
Jan 06 2012 Moonlight Bowl, Stevens Pass by Garth Ferber
Jan 01 2012 Crystal Mt, Fracture line profile, Niagras, 6200 ft, ESE aspect by Chris Morin
Dec 31 2011 Skier triggered slab, Crystal Mt BC--above Crystal Lakes, 6400 ft, NE aspect by Seth Waterfall
Dec 27 2011 West Ridge Powder Bowl, Crystal Mt, 6443', SE aspect by Chris Morin
Dec 26 2011 Valley of the Cliffs, Crystal Mountain BC, 6350', NNE aspect by Mike Haft
Dec 25 2011 Crystal Mtn by Chris Morin
Dec 25 2011 Throne Summit, Crystal Mountain, south-central WA Cascades, 6800' ENE aspect by Mike Haft
Dec 23 2011 Stevens Pass by Brandon Levy
Dec 23 2011 Stevens Pass, C-1 study plot, ~5700 ft, N exposure, 38 deg slope by Patty Morrison
Dec 12 2011 Crystal Mt, Morning Glory Bowl, 6500 ft, E aspect, 30 deg slope by Peter Dale
Dec 11 2011 Stevens Pass, C-1 study plot, ~5200 ft, N exposure, 35 deg slope by Patty Morrison
Dec 11 2011 Stevens Pass, Piss Point, ~5900 ft, South exposure, 30 deg slope by Patty Morrison
Dec 11 2011 Stevens Pass, Tye Stick Hiking Rt, ~5200 ft, NW exposure, 34 deg slope by Patty Morrison
Dec 09 2011 Stevens Pass_Old Faithful_4900 ft, NW aspect by Brandon Levy
Nov 29 2011 Snoqualmie Pass by Kurt Hicks
Nov 26 2011 Crystal SE Right by Chris Morin
Nov 26 2011 Crystal N Face King by Chris Morin
Nov 17 2011 Crystal Mt--Grubstake pit, SE aspect, 6580ft, 33 deg slope, widespread collapsing & cracking by Chris Morin