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You are browsing the archive for Arctic blast climate change Greenland Archives - Page 2 of 4 - Dan's Wild Wild Science Journal.

19 February 2015

Northeast U.S. Shivers, as Nation Experiences 6th Warmest Winter

More cold air is coming to the Midwest and East next week as well, with long-range numerical guidance indicating temps. will stay WELL below normal for most of next week. The intense cold over the north, contrasted with the warmth in the tropics has produced a jet stream with winds approaching 180 mph around 6 kilometers above the surface (`30,000 feet). It may surprise you to learn though that for …

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11 February 2015

Coldest Air of The Winter Headed For the NE U.S. and Midwest

A true outbreak of Polar air is headed for the northeastern quarter of the U.S. beginning Thursday. It will actually come in at least two and maybe 3 waves. The first wave will bring snow showers and plunging temps on Thursday to the East Coast from Virginia to Maine, and another surge will arrive Saturday evening with even colder air. A true Polar air mass often brings a dusting of …

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18 April 2014

Great Lakes Ice Unprecedented? Hardly.

The headline above is on the Huffington Posts front page this evening, and it’s rather misleading. Yes, it’s been a rather cold winter around the Great Lakes and a cold spring has slowed the ice melt as well. It’s really not that big of a deal however, and the claim that this will affect the environment for years is more than dubious. The ice was worse in the cold winters …

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18 February 2014

David Gregory at Meet The Press Stops The Ridiculous

I wasn’t the only one who was very critical of NBC’s Meet The Press program last Sunday, but there was a bright spot. David Gregory stopped his guest cold when she started making totally incorrect statements about climate science. No, not Dr. Heidi Cullen (who is an expert), but the other guest (a politician) who knows nothing about the subject (except perhaps that it’s inconvenient to her political world-view). This …

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17 January 2014

Premiering Next Week- Revenge of The Polar Vortex (Starring the Dogs of Winter)

It’s coming back. Will it be as cold as the last one at the beginning of the year? Too soon to say but there are growing signs it will last longer and may come in several waves. Numerical weather ensembles (See last two blog posts) are in remarkable agreement that the cold will return. Model guidance is indicating temperatures as much as 40 degrees below normal by later next week! …

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14 January 2014

The Polar Vortex Gets Its 15 Minutes of Fame

I was asked by the AGU to do a post about the Polar Vortex for the AGU Blog THE BRIDGE. You can read it by clicking on the image below: and then you should read Bob Henson’s piece from the NCAR AtmosNews Journal

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13 January 2014

Don’t Let The Thaw Fool You, The Revenge of The Polar Vortex May be Coming

Numerical weather models tend to become very unreliable beyond 5 or 6 days but meteorologists have discovered a trick that helps in long-range forecasting. At least a bit. We still cannot pin down what day a storm will hit at a particular place but we can get a good idea of whether or not the pattern will be warm/cold/dry or stormy. Here is the trick: Run the weather model multiple …

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2 January 2014

Cold and Snow, and High Winds As Well For Northeast USA. Storms Threaten UK Again as Well.

A strong winter storm will hit the NE later tonight and this one will have bitter cold and high winds. Note the predicted wind gusts at sunrise Friday from the European Model, and because of this Gale Warnings are in effect for waters from the Chesapeake Bay to Maine and into Atlantic Canada. Rawinsonde balloons this morning show a jet stream approaching 180 knots heading into the Atlantic, and this …

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6 November 2013

NASA’s Operation Ice Bridge Heading Back To Antarctica

NASA is taking their Operation Ice Bridge back to Antarctica later this month after the mission was almost cancelled by the government shutdown.. This will be the first time the NASA P3 Orion aircraft will make the trip, and land on the ice runway at McMurdo Science Base. Ice Bridge has filled in the gaps in ice sheet measurements since Icesat 1 died. Icesat 2 will launch in 2016. Here’s …

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19 June 2013

Two Highly Repected Scientific Views On The Effects Of A Warming Arctic

This is a re-post from the Yale Forum on Climate Change and the Media: Over the past year, Jennifer Francis, Ph.D., of Rutgers University has produced compelling evidence of links between the rapid reduction in Arctic sea ice and extreme weather events in the Northern Hemisphere. Her hypothesis — that the reduced temperature gradient between Arctic and temperate zones causes the jet stream to slow — was examined in early …

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