Articles tagged "polar vortex"

global infrared 16z december 28 2017

Arctic air dominates US and Canada, record-breaking lows expected into New Year's Day

Large swaths of the United States and Canada are experiencing a prolonged period of extremely cold Arctic air and forecast models call for even colder air to arrive before the New Year's Day and into the first week of 2018. Conditions will also remain favorable...

December 28, 2017

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Winter cold extremes linked to high-altitude polar vortex weakening

Over the last decades, the stratospheric polar vortex has shifted towards more frequent weak states which can explain Eurasian cooling trends in boreal winter in the era of Arctic amplification. When the strong winds that circle the Arctic slacken, cold polar air...

October 17, 2017

wintertime arctic polar vortex shifts to europe

More bursts of frigid air as Arctic polar vortex shifts

A new research suggests that North America will experience more outbursts of frigid air in February and March as the wintertime Arctic stratospheric polar vortex continues its persistent shift toward the Eurasian continent. For parts of Europe and Asia, it would...

October 29, 2016

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Polar vortex behind U.S. big chill explained

The chilling weather phenomenon that hit much of the U.S. in January is explained by scientist Eric Fetzer using data from NASA's AIRS instrument.  This movie of temperature observations from NASA's Atmospheric Infrared Sounder (AIRS) instrument on

January 19, 2014

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Arctic blast hits Canada and USA

"Polar vortex" takes aim on United States with dangerous life-threatening temperatures. National Weather Service warned that much of the US will see coldest temperatures in about 20 years as an arctic cold front descends. A fresh blast of arctic air

January 06, 2014

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Counterclockwise hurricane forming in Atlantic

The Hurricane Atlantic Satellite image shows clouds by their temperature over the Atlantic Ocean. Red and blue areas indicate cold (high) cloud tops.Atlantic VIS LoopCoriolis effect In physics, the Coriolis effect is an apparent deflection of moving objects

May 09, 2011