Minus 40 Degrees

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(Part 1 of a 3-part saga. Part 2: “The Coldest of Ice Climbs.” Part 3: “Chouinard’s Gully.”)
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My coldest experience in the outdoors was in the Adirondack Mountains of upstate New York in February 1979. I (barely) endured 6 days and nights bivouacking out in temperatures that got down to Minus 40 degrees every night. (-- 40 F = -- 40 C.)
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It was the week that I went there to ice climb and bivouac. I had picked the week of the Full Moon, of course, for reasons of aesthetics and zen.
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Back home on my father's farm in Pennsylvania, the pre-dawn temperature was --28*F every day that week. It was -30*F that week in nearby towns. That is as cold as it ever gets in this part of Pennsylvania. My father kept a weather journal from personal observations and from TV and radio news.
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The coldest spot in the USA for that entire week was -45*F at Old Forge, NY, in the heart of the Adirondacks. Lake Placid, NY was -35*F. I was bivouacking up in Chapel Pond Pass, sleeping on the frozen pond. I had a good thermometer, but it was too damn cold to be fiddling much with thermometers. I rounded it off to -40*F from quick readings. There was a bitterly stiff wind, but it was too cold to think about the additional wind-chill calculations. "Desperately Frigid" sums it up.
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I had an excellent integrated sleeping bag system designed by Paul Petzoldt: an enormously thick Polarguard suit (parka and pants suitable for extended winter camping, with double insulated booties), and it all fit without constriction both over my wool clothes and also into a companion tailor-fitted Polarguard sleeping bag. It was too cold to set up my tent, so I just used it as a bivy bag.
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At supper's finish, I would put a quart of hot water into a water bottle and throw this into the sleeping bag.
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Yet for the first 4 nights, I was extremely cold. I would wake up, shiver for 2 hours, then sleep for 1 hour out of exhaustion. Wake up, shiver 2 hours, sleep 1 hour, etc. On each of these mornings, the water bottle had a quarter of an inch of ice in it. I had to break the ice to drink. That bottle had been inside the sleeping bag all night, between my parka and the bag, and it still froze.
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During these nights, as I tossed and turned, shivered and cursed, the lone round Moon ruled the sky and lit up the entire snowy world. Cold silver silence. It was beautiful and severe. No pity from the big orb.
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Silence ruled, until the pond ice beneath me suddenly let up a loud echoing "Crack!!!" sound. This terrified me. I had imaginings of the ice suddenly opening up and swallowing me, trapped inside my mummy bag. But it was just the groans of the ice forming deep below me. The Moon remained silent above it all. It was spooky.
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The last 2 nights were better, yet the temperature and wind-chill were the same. The only adjusted variable was my food intake during the night. During the 4th of my sleepless nights, I had remembered reading advice from the great mountaineer Paul Petzoldt about taking a bag of food into the sleeping bag with you. If you wake up cold, eat.
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It worked dramatically. I would wake up chilled, and, without waiting for it to get worse, I would sit up (not even opening the mummy bag opening) and feed myself. I had chocolate, cheese, pepperoni, nuts, dried fruit, etc., though I had to chop up the frozen pepperoni and cheese into bite-size chunks with my ice axe prior to bedtime.
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I would eat, but the warmth did not come until about a half hour later. Initially, I felt chilled. It took time to metabolize the food. Then, a cozy glow of warmth spread completely over me, and I fell into a delightful sleep. I would wake up 3 hours later, chilled. I would eat again, like throwing wood on a fire. Again, I experienced a half an hour of chill before the food metabolized and warmed me up. For those last two mornings, there was no ice in the water bottle. My increased body heat prevented it.
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Lesson: food creates warmth. I am a slow learner, but this is one empirical lesson that is high on my certainty scale. (Having extra food in your home or car if you are stranded may save your life.) Paul Petzoldt had written this clearly in his Wilderness Handbook, based on his decades of experiences, but I had not taken the lesson to heart until my very bones were shaken with deep chill.
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It was the coldest Moonlight I have ever experienced. The Hobo of Chapel Pond made it through, gaining some wisdom and feeling humble.
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(This saga is continued in Parts 2, The Coldest of Ice Climbs, and 3.)
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-Zenwind.