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NWAC Photo Archive

Avalanche Photos for the 2011 / 2012 Season
Northwest Weather and Avalanche Center
These photos were taken either by NWAC staff or by contributors in the area indicated. All images are copyrighted and should not be used without permission of the photographers. If you wish to contribute relevant avalanche related photos, we will try to post them within a day or two of submission (earlier if possible). In order to expedite the posting process, please prepare your photos as jpeg files around 100K as a compressed file size and about 450 pixels on their longest dimension. Also, if possible please caption the photo using the "metadata" of the file or send related info in the email. By emailing photos to the NWAC, we assume that we have your permission to post them unless indicated otherwise. Please e-mail photos to forecasters@nwac.us.
Date Location and Photographer
Apr 26 2012 Chinook Pass_explosive control wet slab by John Stimberis
Apr 14 2012 Razorback Peak, North Cascades by John Scurlock
Apr 11 2012 Washington Pass, N Cascades, Cutthroat Ridge natural WL slide activity during plowing operations by Mike Stanford
Apr 11 2012 Washington Pass, Cutthroat Ridge, Large WL slide debris by Mike Stanford
Mar 24 2012 Hemispheres, Shuksan Arm, Mt Baker, N aspect, ~4800 ft--large slab produced by large explosives by Grant Gunderson
Mar 24 2012 Tinkham Peak, NE aspect, ~5000 ft. Note 2-3 ft slab (estimated) probably triggered by cornice fall by John Stimberis
Mar 16 2012 Hurricane Ridge road by Dave Turner
Mar 15 2012 Slide debris in lower Rumble Gulley and previous tree buffer area near base of Chair 8 by Mike Trowbridge
Mar 15 2012 Mt Baker--View up lower Rumble Gulley from early AM massive slide by Mike Trowbridge
Mar 13 2012 Crystal Mt.- Exterminator control AM 3-13-12 by Chris Morin
Mar 10 2012 North Cascades - Varden Creek 8 Feb 2012 hoar frost by Brad Sawtell
Mar 10 2012 North Cascades - Varden Creek 8 Feb 2012 hoar frost by Brad Sawtell
Mar 10 2012 North Cascades - Varden Creek 8 Feb 2012 hoar frost by Brad Sawtell
Mar 08 2012 NCNP_fracture lines between Mt Blum & Mt Despair, ~5500-6000 ft by Steph Abegg
Mar 08 2012 NCNP_more slab releases and cracks between Mt Blum & Mt Despair, ~5500-6000 ft by Steph Abegg
Feb 27 2012 Hoar frost at 145-147 cm, Yodelin, Stevens Pass, WA by Garth Ferber
Feb 27 2012 Hoar frost at 145-147 cm, Yodelin, Stevens Pass, WA by Garth Ferber
Feb 26 2012 Mt Baker, Colman Headwall, ~8-9000 ft, recent large slab (10 ft +) closeup by Steph Abegg
Feb 26 2012 Mt Baker, Colman Headwall, ~8-9000 ft, recent large slab (10 ft +) by Steph Abegg
Feb 26 2012 Hurricane Rdg, boarder triggered soft slab, SE aspect, 5300 ft by Dave Turner
Feb 26 2012 Hurricane Ridge-view west to boarder triggered slab w/ road in foreground by Dave Turner
Feb 25 2012 Crystal Mt.- SH layer buried 2-8, Avy accident Dogleg 2-19-12 by Chris Morin
Feb 25 2012 Crystal Mt.- SH layer buried 2-8, Avy accident Dogleg 2-19-12 by Chris Morin
Feb 25 2012 Crystal Mt.- SH layer buried 2-8, Avy accident Dogleg 2-19-12 by Chris Morin
Feb 25 2012 Crystal Mt.- SH layer buried 2-8, Avy accident Dogleg 2-19-12 by Chris Morin
Feb 25 2012 Near Leavenworth, WA, 5500 ft, W wind sheltered aspect - Hoar Frost layer 2/8 buried 115 cm by Jeff Ward
Feb 24 2012 Alpental back country, NE slope 4500 feet by Margaret Wheeler
Feb 22 2012 Stevens Pass, Old Faithful Slide path debris on US 2 by Brandon Levy
Feb 22 2012 Stevens Pass, Clearing Old Faithful Slide debris on US 2 by Brandon Levy
Feb 20 2012 Crystal Mt, skier triggered slab on Dog Leg, 6800 ft, NNW aspect by Chris Morin
Feb 20 2012 Crystal Mt--overview of Dog Leg slide and entrance tracks by Chris Morin
Feb 20 2012 Crystal Mt--Dog Leg slide path and fracture, skier triggered slab by Chris Morin
Feb 19 2012 Stevens Pass, Highland Bowl, snowboarder triggered by Harlan Sheppard
Feb 19 2012 Stevens Pass, Highland Bowl, snowboarder triggered by Harlan Sheppard
Feb 19 2012 Hurricane Ridge_Olympic NP, WA--skier triggered slide in Poma Bowl by Gary Holmquist
Feb 10 2012 Stevens Pass, hoar frost buried at 9-10 cm by Brandon Levy
Feb 10 2012 Stevens Pass, hoar frost buried at 9-10 cm by Brandon Levy
Feb 10 2012 Stevens Pass, hoar frost buried at 9-10 cm by Brandon Levy
Jan 23 2012 Snoqualmie Pass, central WA Cascades, Denny Mt #4 path, SS-N due solar effects by John Stimberis
Jan 20 2012 Mt Hood Meadows, Absolute Magnitude path, SS-N-R3.5-4-D3-O--failure on facets below old crust by Tighe Stoyanoff
Jan 20 2012 Mt Hood Meadows, Absolute Magnitude path, SS-N-R3.5-4-D3-O--failure on facets below old crust by Nick Asher
Jan 01 2012 Crystal Mt--Niagras_Fracture_line_AS-R1-D1-O, 6200ft, ESE aspect by Chris Morin
Dec 31 2011 Observing fracture line, Crystal Lakes slab by Chris Morin
Dec 31 2011 Natural slab above Crystal Lakes, Crystal Mt BC by Chris Morin
Dec 31 2011 Crystal Mt BC--above Crystal Lakes, ~6400 ft, NE exposure by Chris Morin
Dec 27 2011 Buried facet layers, West Ridge Powder Bowl, Crystal Mt, 6443', SE aspect by Chris Morin
Dec 27 2011 Percolation channels, West Ridge Powder Bowl, Crystal Mt, 6400', NNE aspect by Chris Morin
Dec 25 2011 Crystal Mtn by Chris Morin
Dec 12 2011 Likely old slide late Nov, ~7,100' nearly directly SE facing appx .75 miles SE of Klawatti peak by Drew Tabke
Dec 07 2011 Mt Hood Meadows, lower Heather Canyon runout, cup shaped facets on suface by Tighe Stoyanoff
Nov 25 2011 Horseman-Horseman's Pack, Neve Glacier, Snowfield Peak by Steph Abegg
Nov 17 2011 Snowpit at Crystal Mt, 6580 ft, ENE aspect, 33 deg slope, 5 cm depth hoar by Chris Morin
Nov 17 2011 Crystal Mt--Cracking on depth hoar layer, 6800 ft by Chris Morin
Nov 17 2011 Crystal Mt--slab failure on depth hoar, E aspect, 6150 ft by Chris Morin
Nov 15 2011 Green Valley, 6800', East aspect, ~30 deg slope. Depth ~ 35cm with 5cm of 2-3mm depth hoar visible. by Chris Morin
Nov 13 2011 Skyline Ridge--remotely triggered slide near Mt Baker by Brian Melvin