Weekend Reads Recent cold snap can't be blamed on climate change, study finds

00:06  12 january  2018
00:06  12 january  2018 Source:   cbc.ca

Canada's bitter weather has even penguins coming out of the cold

  Canada's bitter weather has even penguins coming out of the cold Just how cold is it in Canada? Ask the penguins at the Calgary zoo: Even they have had to take shelter. King penguins -- one of five species at the zoo in western Alberta province -- are certainly accustomed to chilly weather, more so than species like the Humboldt that prefer somewhat warmer climes, said zoo curator Malu Celli.

Consider this cold comfort: A quick study of the brutal recent cold snap in Canada and the U.S. found that the Arctic blast really wasn' t global warming but a freak of nature. Climate change has made such cold spells less common and less intense, the group said.

These climate lunatics can ' t make up their minds Last week the recent cold snap was because of 'global warming / climate change ', this week they have decided The idiocy of trying to blame record cold on global warming makes my head spin. 5 posted on 01/11/2018 10:53:52 AM PST by gibsonguy.

Recent cold snap can't be blamed on climate change, study finds © Ryan Remiorz/Canadian Press Recent cold snap can't be blamed on climate change, study finds

Consider this cold comfort: A quick study of the brutal recent cold snap in Canada and the U.S. found that the Arctic blast really wasn't global warming but a freak of nature.

Frigid weather like the two-week cold spell that began around Christmas is 15 times rarer than it was a century ago, according to a team of international scientists who does real-time analyses to see if extreme weather events are natural or more likely to happen because of climate change.

The cold snap that gripped the East Coast and Midwest regions of the U.S. and much of Central and Eastern Canada was a rarity that bucks the warming trend, said researcher Claudia Tebaldi of the U.S.-based National Center for Atmospheric Research and the private organization Climate Central .

Toronto’s homeless are in crisis, open the armouries now and save lives

  Toronto’s homeless are in crisis, open the armouries now and save lives Toronto’s homeless are in crisis, open the armouries now and save livesIt is freezing in here. She closes her eyes, trying to shut out the noise, the cold, and the horror of having to be here. A man tries to make his way through the mats, (there are no aisles between them). He stumbles and kicks her as he passes. It looks as though he may fall upon the other people, huddled where his feet are trying to walk.

Scientists are studying how climate change is influencing cold snaps in North America and Europe.CreditAaron Lynett/Reuters.

The same team had connected several weather events last year to man-made global warming including Hurricane Harvey that battered the U.S. and Caribbean and the French floods.

'Becoming stranger'

"It was very definitely strange, especially now," said study co-author Gabriel Vecchi of Princeton University. A century ago "it wouldn't have been that strange. Things like this are becoming stranger."

The study by the World Weather Attribution analyzed weather records dating back to 1880 and found the cold weather that hit a huge swath of North America tends to happen once every 250 years. In the early 1900s, it happened about once every 17 years. Climate change has made such cold spells less common and less intense, the group said.

Toronto considers opening armoury to house homeless

  Toronto considers opening armoury to house homeless Toronto is revisiting a shelved proposal to use a federal armoury to cope with unprecedented demand on its homeless shelter system, the city's mayor said Wednesday. John Tory and members of council had rejected a motion to open the Moss Park Armoury to the homeless last month, weeks before an extended cold snap gripped the city and dramatically increased demand for shelter spaces. As temperatures dropped to around -20 C for several nights and thousands of residents signed a petition calling on Tory to revisit the armoury proposal, the mayor initially said other city-owned properties presented better options.Tory reversed course on Wednesday.

Cold snaps like the ones that hit the eastern United States in the past winters are not a consequence of (global warming AGW) climate change . Saved this from CBC the other day- Recent Cold Snap Can ' t Be Blamed On " Climate Change ".

With climate change warming the Arctic air, researchers say, cold snaps are getting warmer. The recent spell of cold was an outlier. But Dr. Tebaldi said her group’s study found no connection to sea-ice loss.

That finding agrees with earlier studies, said University of Georgia meteorology professor Marshall Shepherd, who wasn't part of the study.

"I think the public frenzy over the recent cold snap illustrated that we are less acclimated to such events," he said in an email.

The study, based on observations and statistics, did not find evidence for a popular scientific theory that links melting Arctic sea ice to blasts of cold air escaping the top of the world .

The theory, which is still debated by scientists but gaining credence among many, is based on pressure changes and other factors that cause the jet stream to plunge and weather systems to get stuck. But the latest analysis didn't find such evidence.

Three scientists whose studies have connected Arctic warming to changes in extreme events disagree.

Because such atmospheric pressure changes happen occasionally, quick studies that rely on averages miss extreme events like the recent cold spell, said James Overland of the National Oceanic and Atmospheric Administration who supports the theory.

Cover up — another deep freeze returns to Ottawa

  Cover up — another deep freeze returns to Ottawa Frostbite, extreme cold and windy, oh my! OK, it's not Oz but the cold may make us wish we could escape to another place this weekend. Since Thursday night, the region has been plunged into yet another cold snap. This one, fortunately, only lasting until Monday. Until then, take precautions against the cold. There is a frostbite warning in place and with the wind chill, it will feel like –30 and colder for most of the day and night. Environment Canada is keeping an  extreme cold warning  in place for the entire region until Sunday night and expect the frostbite warning to stay in place, too.

This week's cold snap has brought record-low temperatures, freezing rain and heavy snow to much of the United States. But 2017 is still on track to be the second- or third-hottest year ever recorded globally — and scientists say climate change is to blame .

Two separate studies published in December both found that climate change had influenced Harvey's record-breaking rainfall (Climatewire, Dec. Yes, Some Extreme Weather Can Be Blamed on Climate Change .

Related Video: Throwing Hot Water in Extreme Cold (Provided by The Weather Network)

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