An Arctic freeze has been sweeping across North America, bringing temperatures as low as -40C (-40F) with wind chill in some cities. Explore the BBC News News Sport Weather Shop Earth Travel Capital iPlayer Culture Autos Future TV Radio CBBC CBeebies Food iWonder Bitesize Travel Music Earth Arts Make It Digital Taster Nature Local Terms of Use About the BBC Privacy Policy Cookies Accessibility Help Parental Guidance Contact the BBC Advertise with us Ad choices Copyright © 2016 BBC.
If you want to go outside when the temperatures plunge, a facemask can protect from frostbite and windburn.
With much of the country in the grips of bitter winter weather, Canadians are coping as best they can with bone-chilling cold, massive snowfalls and predictions of more nastiness to come.
In Saskatoon on Tuesday, Environment Canada is predicting a high of a€“25 C, well below the seasonal normal of a€“11 C.
Cold weather in some parts of the country may invite scoffing from people living in other places where such low temperatures are run-of-the-mill at this time of year.
Here's a look at ways to ensure you and your property stay safe and survive the current frigid temperatures.
There's no rocket science involved in understanding that colder temperatures can pose health concerns for individuals, especially if they are outside.
Environment Canada is urging extreme caution for people heading outdoors in the current bitter conditions. In a weather alert for Toronto posted Monday, the agency predicted wind chills of a€“30C to a€“35 beginning later in the day. Houses are built to withstand many conditions, but can be vulnerable to extreme cold in particular aspects, such as plumbing. To prevent frozen pipes, turn off the water supply and drain the pipes if you're going to be away.
Don't use heat sources like torches or open flames to try to thaw frozen pipes a€“ use a hair dryer instead. If you're at home, and unsure if your insulation is adequate to offset frozen pipes, a small, steady flow of water could help prevent freezing. Winter driving comes with its own challenges, ranging from navigating road surfaces that may be covered in snow and ice to ensuring you're prepared if you suddenly find yourself stranded.


The CAA recommends drivers be well-prepared for any winter driving conditions they might encounter. In frigid temperatures, CAA reminds people to pay particularly close attention to their battery, which can be drained of power by the cold.
Clumsy acrobats tumbling through the circuses of philosophy, architecture, politics, religion and just about anything else you can think of, Steve Shavel’s wild meditations drift and whirl with spastic brilliance among language's most earnest and playful coincidences. Sitting out a cold snap indoors, with plentiful stocks of food, water and medicine, is one solution. But those still needing to make essential trips are advised to wear several layers of loose fitting clothing, with a wicking layer at the base that won't leave moisture on the skin, and a tightly woven outer layer. Goggles or glasses can help keep the temperature around the eyes stable, says John Stone of Survival Systems in Halifax, Canada, though eyelashes are only likely to freeze together if they're wet.
Chicago, where temperatures dropped to -27C (-16F), was extending the opening hours at warming centres across the city. Tyres can freeze solid, which makes for a bumpy start to a journey but is unlikely to damage them, says John Stone. What are the risks of extreme cold and how can you avoid them, asks Aidan Lewis.Plummeting temperatures and icy winds present two main dangers.
Be the first to read WIRED's articles in print before they're posted online, and get your hands on loads of additional content by subscribing online. Wim Hof uses breathing exercises and cold showers to train his body to withstand very low temperatures.
After that, you will perceive the cold in a different way: "It won't bother you any more, and you won't shiver, for instance," Hof says. In Toronto, the temperature is not expected to rise above a€“18 C, again a far cry from the normal high of a€“2 C. But no matter how cold it gets, people everywhere are figuring out how best to endure the conditions. If you drink before you go outside, it could increase the risk of hypothermia because of increased blood flowing to your extremities. If there aren't any buildings around, look for a small cave, a ditch, a hollow tree or a vehicle to reduce the chance of frostbite or hypothermia.


Frozen pipes bursting after the recent ice storm in southern Ontario were a vivid reminder of that.
Not full blast but enough so some water is flowing through it, because that's the other way to prevent pipes from freezing," says Karageorgos. His first book, How Small Brides Survive in Extreme Cold, was published by Verse Press in 2003. Hypothermia, in which your body shuts down after reaching an abnormally low temperature, and frostbite, an injury to the body caused by freezing. Hand or foot warmers can be placed inside a glove or inside a boot, though these may not heat the tips of fingers or toes.
The 55-year-old Dutchman holds the record for ice endurance -- he sat in a tank filled with ice cubes for one hour and 52 minutes -- and, wearing only shorts, he has run a marathon in the Arctic, at temperatures as low as -27°C. This is most common on extremities such as fingers and toes, but can affect eyelashes.Sitting out a cold snap indoors, with plentiful stocks of food, water and medicine, is one solution. Here's how.KNOW THE COLDHof suggests that, over ten days, you get used to progressively shifting from hot to very cold water in your shower. After ten days, stay under cold water every day for two minutes.BREATHE RIGHTWhilst enjoying your frosty shower, you should take 30 deep breaths. You have to inhale deeply enough to protrude your belly totally outwards, and exhale in short spurts, not fully.DO YOUR PRESS-UPSAfter your 30th breath, exhale completely then hold your breath. Tyres can freeze solid, which makes for a bumpy start to a journey but is unlikely to damage them, says Stone.
Hand or foot warmers can be placed inside a glove or inside a boot, though these may not heat the tips of fingers or toes.Goggles or glasses can help keep the temperature around the eyes stable, says John Stone of Survival Systems in Halifax, Canada, though eyelashes are only likely to freeze together if they're wet.



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