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Posts Tagged "jet stream"

Observations

Flip-Flop Summer Caused by Strange Jet Stream

jetstream2

By now, if you live in the northeastern U.S. you have heard or even said the following:  “This summer has been so cool. I love it.” Or: “This summer has been so cool. I hate it.” Yet if you live in Oregon or Washington, you’ve heard the opposite: “It’s been so hot this year!” Maybe [...]

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Observations

What Is This “Polar Vortex” That Is Freezing the U.S.?

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As I write these words, temperatures across half the U.S. are plummeting like a rock. Extreme lows are forecast by tonight: -32 degrees Fahrenheit in Fargo, N.D.; -21 degrees F in Madison, Wisc.; -15 degrees F in Chicago and Indianapolis, according to the National Weather Service. Wind chills will reach a bizarre 60 degrees below [...]

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Observations

Did Climate Change Cause Hurricane Sandy?

If you’ve followed the U.S. news and weather in the past 24 hours you have no doubt run across a journalist or blogger explaining why it’s difficult to say that climate change could be causing big storms like Sandy. Well, no doubt here: it is. The hedge expressed by journalists is that many variables go [...]

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Observations

Soot May Help Shift Tropics North

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Soot may be responsible for the tropics expanding north, according to an analysis involving multiple computer models of the climate. By absorbing sunlight and trapping extra heat in the atmosphere, the tiny, black particles may be helping the poleward march of tropical conditions. The research will be published in Nature on May 17. (Scientific American [...]

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