How Cold Was the Coldest Day in Canadian History?
At -80°F, the people’s voices and barking dogs in the village of Snag could be plainly heard at the airport four miles away. Read on for more extreme facts from the coldest day in Canadian history:
- An aircraft that flew over Snag that day at 10,000 feet was first heard when still more than 20 miles away, and later, when overhead, still at 10,000 feet, the engine roar was deafening. It sounded like it was in your bedroom! It woke everyone who was sleeping at the time because they thought the airplane was landing at the airport.
- A piece of thin ice, when broken, sounded exactly like breaking glass.
- Ice on the White River, about a mile east of the airport, cracked and boomed loudly, like gunfire, amplified by a cap of warmer air lying over intensely cold air on the ground, bouncing sound waves across great distances.
- The extreme cold air generated intense radio static, much like the crackling sounds heard during a thunderstorm.
- Exhaled breath instantly froze with a hissing noise, and stayed suspended in the air at head level in long vapour streaks several hundred meters long, like miniature condensation trails from a jet aircraft. These patches of human “fog” remained in the still air for three to four minutes, before falling to the ground as powdery ice crystals. One observer found such a trail still marking his path when he returned along the same route 15 minutes later. Becoming lost was of no concern!
- For days, a small fog or steam patch would appear over the sled dogs, at a height of 15 to 20 feet. It would disappear only in the warm part of the day when the temperature warmed up to -60°F.
- A chunk of ice was so cold that, when brought into a warm room, it took five full minutes before there was any trace of moisture, even when held in a warm hand.
- A cupful of cold water was thrown high into the air, just to see what would happen. Before it hit the ground, it made a hissing noise, froze and fell as tiny round pellets of ice the size of wheat kernels. Spit also froze before hitting the ground.
- At such temperatures, metal snapped like ice, wood became petrified, even paper became brittle and rubber was just like cement. The sled dogs’ leather harnesses would break if bent.
- After seconds outdoors, nose hairs froze rigidly and your eyes would tear. Facial hair and glasses become thickly crusted with frozen breath. You had to be careful not to inhale too deeply for fear of freezing or scalding your lungs from the frigid air. The only other discomfort caused by the cold were numerous cases of beginning frostbite, particularly the familiar “ping” as the tip of one’s nose froze. “It was easy to freeze your nose at -70°F without even knowing it was cold.”
- The animals didn’t appear to suffer too much during this two-week spell when the temperatures never climbed above -64°F. Two horses, owned by a local trapper, used to visit the cookhouse every morning. It was amazing the things they would eat: apple pie, wieners, buns and cakes, and as an extra treat the cook even fed them ice cream one morning at -76°F. During their wandering around outside, almost eight inches of ice would build up on their hooves, making it look like they were up on stilts.
- The stamina of the sled dogs was truly remarkable. They never bothered to go into their kennels, preferring instead to lay on top of their kennels, curled up with their heads tucked in towards their bellies. A band of frost fog formed over their heads, keeping them reasonably warm.
- Starting machinery was a chore. Getting an engine started was no guarantee it would continue to run. At that temperature, the oil and transmission fluid would coagulate into something approaching a solid.
- And finally, truck tires could splay open when they hit ruts in the road.
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