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88% of Great Lakes area frozen
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Feb 22, 2014 at 6:58 am #1313608
And it might be happening more regularly in the future:
A warmer Arctic could permanently affect the pattern of the high-altitude polar jet stream, resulting in longer and colder winters over North America and northern Europe, US scientists say.
The jet stream, a ribbon of high altitude, high-speed wind in northern latitudes that blows from west to east, is formed when the cold Arctic air clashes with warmer air from further south.
The greater the difference in temperature, the faster the jet stream moves.
According to Jennifer Francis, a climate expert at Rutgers University, the Arctic air has warmed in recent years as a result of melting polar ice caps, meaning there is now less of a difference in temperatures when it hits air from lower latitudes.
As a result, instead of circling the earth in the far north, the jet stream has begun to meander, like a river heading off course.
This has brought chilly Arctic weather further south than normal, and warmer temperatures up north.
The meandering jet steam phenomenon, sometimes called "Santa's Revenge", remains a controversial idea.
Who's going to be the first BPLer to ski across?
Feb 22, 2014 at 7:04 am #2075955"Who's going to be the first BPLer to ski across?"
Ike, if he hasn't already.
Feb 22, 2014 at 7:19 am #2075960Another consequence of increased greenhouse gasses may be warmer and drier Pacific coast.
More winter trips to the Sierras.
Feb 22, 2014 at 9:33 am #2075998It's for this reason that I've started a local chapter, "Yukoner's for Global Warming". While the rest of Canada (as well as the much of the lower 48) has had a cold winter we've had a relatively mild winter. Abnormally high amounts of snowfall in December, extremely warm temperatures in January and early February (the highest was +13C) and now we've settled into a more regular pattern of -10C to -20C the last few weeks.
Mar 12, 2014 at 3:21 am #2082022"Who's going to be the first BPLer to ski across?
Ike, if he hasn't already."
Lake Superior is indeed frozen, my friends. More to follow…Mar 12, 2014 at 3:37 am #2082025Yesterday I read that it's now 92% frozen over, with a chance of breaking the modern-day record of 95%.
Mar 12, 2014 at 4:14 am #2082027This last stretch of cold weather during late February into the first week of March caused ice concentration on Lake Michigan to rapidly increase. The Great Lakes Environmental Research Laboratory (GLERL) in Ann Arbor Michigan measures the ice concentration on the Great Lakes daily. On March 8th, the ice concentration on Lake Michigan was measured at 93.29%. This sets a new record ice cover on Lake Michigan. The previous record was 93.1% set in 1977. The period of record dates back to 1973.
Mar 12, 2014 at 5:36 am #2082034I live 2 hours from Lake Michigan and 40 minutes from
Lake Huron so have no excuse to go have a look.Mar 12, 2014 at 5:57 am #2082035Who's going to be the first BPLer to ski across?
I'm reasonable certain Ike's photo is from the south shore. Looking forward to his trip report!
Significant open water was visible from Lake Superior's north shore March 9. That side of the lake is very deep even close to shore … hard to keep it frozen. That did not deter a LOT if ice anglers from dragging portable shelters way out on the ice shelf (they be crazy!). Saw some nice ridges of broken ice that the wind had piled up.
Mar 12, 2014 at 8:50 am #2082087Ike, you tease.
Mar 16, 2014 at 11:40 am #2083248That was my plan
Apr 1, 2014 at 9:44 am #2088401it's great!
did a trip that would not be possible any other year or time of year, biking up the lake ice, then the beach with crust snow and chip ice, on the north shore of superior. -
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