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Tag: jet stream
Global climate emergency declared after jet stream crosses equator
2016-07-02 11:24:00| Climate Ark Climate Change & Global Warming Newsfeed
Inhabit: A prominent climate scientist has declared a "global climate emergency" after observing the jet stream in the Northern Hemisphere crossing the equator and mixing with the jet stream in the Southern Hemisphere. Paul Beckwith, a geography professor at the University of Ottawa, wrote in a blog post that this behavior is new and "indicates that climate system mayhem is ongoing." If the merging of the jet streams continues, it could disrupt the seasons, threatening the food supply chain and causing "massive...
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Unprecedented. Jet Stream Crosses Equator
2016-06-29 07:29:00| Climate Ark Climate Change & Global Warming Newsfeed
YouTube: The jet stream in the Northern Hemisphere has crossed the equator and joined up with the jet stream in the Southern Hemisphere. This is new behaviour, and indicates that climate system mayhem is ongoing.
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unprecedented
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Weird jet stream behavior could be making Greenlands melting even worse, scientists say
2016-06-11 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Washington Post: The vast northern ice sheet of Greenland melts every summer, pooling lakes of meltwater on its surface and losing fleets of icebergs from its finger-like glaciers. Thats not surprising -- its summer -- although in a warming climate, there are reasons to think these melt seasons are getting more intense, pouring more and more freshwater into the ocean. But when a group of scientists looked back at the last summer melt season -- 2015 -- they found something odd and troubling. Specifically,...
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behavior
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Wobbly jet stream is sending the melting Arctic into 'uncharted territory'
2016-06-10 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
InsideClimate: Extraordinary melting in Greenland's ice sheet last summer was linked to warm air delivered by the wandering jet stream, a phenomenon that scientists have increasingly tied to global warming. This interplay of climate phenomena, described in a new study in the journal Nature Communications, is more evidence of the complex ways in which the Arctic's climate is heading for "uncharted territory," said the study's lead author, Marco Tedesco. The study adds to an emerging theory on the effects of...
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territory
Global warming messing with the jet stream and your weather
2015-03-13 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Washington Post: Is the rapid melting of the Arctic paying us back for our greenhouse gas emissions by messing with the jet stream -- which carries weather through the northern hemisphere? And could that, in turn, explain recent breakouts of extremes all around the northern half of the world -- including recent snowfall in the east coast? Thats what Rutgers Universitys Jennifer Francis has argued in a series of papers going back to 2012 -- but there has been quite a lot of criticism. Several distinguished climate...
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