In This Issue AARON: This Spot Is in the Revelation Mountains on the Far West End of the Alaska from the President
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® 6"1 ÊÎÓ]Ê "°Ê{ÊUÊ*,Ê2014 About the photo, from Aaron Diamond and photographer Adam Fisher: In This Issue AARON: This spot is in the Revelation Mountains on the far west end of the Alaska From the President...............................................................2 Range (we flew in with Talkeetna Air Taxi). The avalanche is coming off the north aspect From the Editor ........................................................................2 of the northeast ridge of a peak called Golgatha, which had just seen its FA a week Metamorphism ......................................................................... 3 before we arrived via its southeast face. We had a group of four out for 21 days. This Mailbag ............................................................................................. 3 was on day 15: April 22, 2013. The trip started out cold. Really cold: -40!F at night What’s New . 4 warming to around -10! during the day, gradually warming to more moderate temps From the AAA .........................................................................10 (-10!/+25!F). Most of the snow we encountered consisted of deep facets over pencil/ Avalanche Photo Portfolio Sun Valley, Idaho .......................................................................... 8 knife-hard snow, hard slab over facets over more hard slab, or rounds bonded fairly well Crested Butte, Colorado ........................................................16 Silverton, Colorado ..................................................................17 to alpine ice. Not exactly a skier’s dream, but the facets skied fairly well. North Cascades, Washington .............................................17 Cooke City, Montana...............................................................25 ADAM: Throughout our trip it was fairly common for one of several nearby (but not Decision-Making too nearby) hanging glaciers to calve ice. I happened to be outside when the telltale Travel Advice for Avalanche Problems .........................15 Enhancing Perception .............................................................18 rumble echoed off the steep walls surrounding Revelation Glacier. I turned and barely Mr Magoo’s, Pucker Face, and Expert Intuition......19 managed to get this shot as Ty, Kevin, and Aaron erupted out of the tents to see the Snow Science Advances in Modern Avalanche Rescue......................23 serac-triggered slide. Mess of Problems, Patterns, and Types .......................24 Friction .............................................................................................27 Crown Profiles Pucker Face Lessons .................................................................20 The Avalanche Review Emerald Chute .............................................................................28 P.O. Box 248 Hawaiian Sucker Punch .........................................................30 Victor, ID 83455 Watching a ski-triggered avalanche wipe out your favorite pow stash is a high-value ob that combines priority and confidence. —Doug Krause, Enhancing Perception, pg 18 XÊ* ÊÓ / Ê6 Ê, 6 7 6"°ÊÎÓ]Ê "°Ê{]Ê*,ÊÓä£{ THE from the president REVIEW Still Waiting… …seems like the theme this winter for many of us in the avalanche profession. Waiting for *,ÊÓä£{ÊUÊ6" °ÊÎÓÊUÊ 1 , Ê{ the snow to arrive and waiting for winter to begin. Isn’t it weird how much we anticipate The Avalanche Review is published each fall through spring by the start of winter? I figured after decades in this industry I’d get over the anticipation, but the American Avalanche Association, Inc., a nonprofit corporation. The Avalanche Review welcomes the submission of articles, every fall the feeling returns. The days grow shorter and colder. This year, the first snow photographs and illustrations. arrived, but then nothing. Here in the PNW we watched it snow, then rain, then the blocking high arrived. Repeat Please send submissions to: that process again and again. Finally there was enough snow for most of the resorts to open, Lynne Wolfe –– Editor PO Box 1135 but backcountry skiing was tentative at best. Some parts of the West were doing alright while others were still waiting. Driggs, Idaho 83422 Then January arrived with an extended drought. Nobody in our profession really enjoys these prolonged droughts. tel: (208) 709-4073 Skiing usually isn’t that good, our fellow employees get restless, weak interfaces form, and again we’re still waiting. [email protected] But then the snow arrives, and all is often forgotten. The rush to get out there takes some by surprise and greets others Advertising: Production: with grim consequences. In my area we received over three meters of snow in less than three weeks. We get focused on the Paul Nordquist Fall Line Design immediate issues such as storm snow and wind slabs, and on keeping the resorts and highways open. The snow removal 1101 Lenore Drive 270 N Main Tacoma, WA 98406 Driggs, ID 83422 starts and doesn’t stop. Work shifts merge into the next and days begin to blend together. A couple weeks into this routine tel: (253) 830-4444 tel/fax: (208) 354-6500 and I’m suddenly lifting my head and looking for the danger signs. What about that late January/early February layer? [email protected] [email protected] Managing the details while keeping the big picture in mind is an important part of being a professional. The weak signals began to emerge. A few large avalanches were reported. Some were triggered Business and Subscription Office: Jaime Musnicki –– AAA Executive Director by explosives, a few from skis, and there was even a natural involving a few skiers. By now PO Box 248 many of you have seen the video from Stevens Pass showing the impressive heli-bombing Victor, ID 83455 results. Hopefully when you read this we haven’t had any more tragedies. I think it’s important tel: (307) 699-2049 [email protected] to pick up on the weak signals. They’re both predictive and responsive. When trends begin to [email protected] emerge we attempt to see the larger picture and the potential course they will follow. I believe this is analogous to our community of professionals in the American Avalanche Association and the content of The Avalanche Review. The days are now getting longer. Winter feels like it just arrived, and spring is already ushering it aside. Sunscreen and ball caps replace wool hats and scarves, and many of us will head for new jobs. Soon enough the feeling returns, and we’ll find ourselves waiting for powder once again. —John Stimberis R Executive Director .............Jaime Musnicki AAA Officers *President ........................John Stimberis from the editor *Vice President .................Bill Williamson *Secretary.........................Scott Savage *Treasurer.........................Mike Ferrari Self-Control and the Power of Choice Committee Chairs Awards ..............................Halsted Morris In putting together this issue, these that translate theory into longevity. determinism: “The devil made me Data & IT/Web ..................Ned Bair Education .........................Kirk Bachman themes kept surfacing: free will vs Blase’s article is an offshoot of various do it.” I’ll try to act like a grownup in Ethics ...............................Aleph Johnston-Bloom, Dave Hendrickson determinism, self-control and the presentations that he and I have been the backcountry (but still never turn Membership ......................Stuart Thompson power of choice. lending to and stealing from one down chocolate), and realize that Research...........................Jordy Hendrikx Search & Rescue ..............Rich Browne Those abstract concepts translate another for a number of years now. exercising free will and choice often Ski Area ............................Bill Williamson to a practical question: “How do we His final paragraph recaps our long- means employing self-control and *Publications....................Blase Reardon get beyond our apprentice years in winded discussion succinctly: (see discipline, no matter how beautiful Publications Committee the avalanche world?” page 19 for Mr Magoo’s, Pucker Face, the line might stretch below me. Editor ................................Lynne Wolfe Editor Emeritus .................Steve Conger In that period, we are armed with and Developing Expert Intuition in And back to this issue of TAR: Editor Emeritus .................Sue Ferguson our education plus a strong dose of Avalanche Terrain) There’s more to this editing job than Editor Emeritus .................Blase Reardon “get’r.” We’re brash and confident, commas and themes. There’s a strong Editor Emeritus .................Bruce Tremper trying to do the right thing, and The point is less about the mentorship and educational aspect, Section Representatives struggling to see the big picture. Until which I employed to the extent of Alaska...............................Andy Dietrick specific habits than about Eastern Section ................Kyle Tyler the lure of the line intercedes. Most making an effort to maximize the my knowledge and experience in European Section ..............Krister Kristensen of the time we get away with it. Our quality of our decisions and the working with Alex Do on his Pucker Intermountain North .........Mark Staples education has given us some tools, Face retrospective. He reached out to Intermountain South .........Damian Jackson feedback we get for them, so we some structure, even some practice me and I tried to offer him empathy Northwest .........................Patty