Thursday, May 2, 2013

Blame the jet stream for our weather again this year

http://www.leaderpost.com/technology/Blame+stream+weather+again+this+year/8237087/story.html


REGINA — What a difference a year makes!
One year ago, we in Saskatchewan were emerging from one the mildest winters in memory. And for that, we were thanking the jet stream — the powerful, high-altitude air currents that meander around the globe from west to east.
Last year, they stayed well to the north of us and give just about all of Canada from Alberta eastward an unusually mild winter.
This year, things are different. And, once again, we have to acknowledge our cold, er, old friend, the jet stream.
“Our average high temperature in Regina over the first 11 days of the month has been a paltry -2C. That’s about 10C colder than the normal, and a whopping 12C colder than the same period last year,” The Weather Network’s Chief Meteorologist, Chris Scott, wrote in an email Friday.
“A stubborn and persistent dip in the jet stream across central North America is responsible for the cold weather. This weather pattern looks to ‘hold tough’ through much of next week, with some signs of breaking down for the last week of April.”
Yes, breaking down. The Weather Network’s 14-day outlook for the next two weeks, posted Friday, shows below-normal highs and low temperatures in Regina and area until about April 24.


Read more: http://www.leaderpost.com/technology/Blame+stream+weather+again+this+year/8237087/story.html#ixzz2SCiOuLQm

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