Polar Vortex

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Winter or Not? WSAZ-TV (blog) The answer will come in the next 4 weeks as a cold arctic vortex makes its closest approach to our region. I will elucidate more on that polar gyre later, but first things first. Temperature-wise, so far this winter, the lowest temperature recorded has ...

February outlook: Another warm month with less snow than normal? That's my guess Washington Post (blog) When the call was made for December, it was made fairly confidently because of the combination of La Nina and, significantly, having a much stronger than normal polar vortex , ie the positive phase of the Arctic Oscillation (AO), which keeps the cold ... and more »

CBS Local

Super Weekend Weather…. CBS Local There are signs for a tad more blocking in the overall weather pattern, yet the polar and and subtropical jetstreams still remain separate. What we will have to watch by next weekend is the shift of the Polar Vortex. This is something we have not seen ... and more »

West Europe to see colder than average Feb-Apr: WSI Reuters "The first half of winter has clearly been much milder than the last couple of winters, as a very strong polar vortex has controlled the pattern, and shielded Europe from any sustained cold. Recently, the vortex has weakened," WSI said, ... and more »

CBS Local

Tracking Cold… CBS Local Models are still confused as to how much energy will work out of cut-off low in the SW US / Baja Mexico and into the base of the polar vortex invading the Northeast. The EURO ejects a solid vort into the base of the vortex inducing surface low pressure ...

January goes out like a lamb in Hornell, Southern Tier Hornell Evening Tribune Nicosia attributes the mild weather locally to a “strong polar vortex.” When the vortex is strong, it traps the cold Arctic air and keeps it where it is. When it's weak, he said, the cold air escapes and brings more seasonable temperatures and heavy ...

CBS Local

For the 13th Time… CBS Local That next front will have passed through by Saturday morning as a large polar vortex slides south from Canada for the first time in a long time. This will deliver a stretch of below normal temps for a change that lasts through the upcoming weekend.

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Polar vortex - Wikipedia, the free encyclopedia
A polar vortex is a persistent, large-scale cyclone located near one or both of a planet's geographical poles. On Earth, the polar vortices are located in the middle ...

Polar vortex: Definition from Answers.com
The large-scale cyclonic circulation in the middle and upper troposphere centered generally in the polar regions; specifically, the vortex has two centers in the mean ...

The Polar Vortex and Arctic Weather Patterns
The Polar Vortex and Arctic Weather Patterns: the Arctic Climatology and Meteorology Primer

WHAT IS THE POLAR VORTEX? - WEATHER PREDICTION EDUCATION
METEOROLOGIST JEFF HABY The polar vortex is analyzed at 500 millibars. The polar vortex occurs above the core of the coldest polar air. Since frigid air is dense ...

Frigid Winters and the Polar Vortex - NYTimes.com
In Tuesday’s paper, I write about the weakening of the polar vortex that keeps cold air penned up in the Arctic, a change that has contributed to two ...

Polar vortex
It has been suggested that this article or section be merged into polar cyclone. (Discuss) A polar vortex is a persistent, large-scale cyclone located near one or ...

Polar cyclone - Wikipedia, the free encyclopedia
When the polar vortex is strong, the Westerlies increase in strength. When the polar cyclone is weak, the general flow pattern across mid-latitudes buckles and significant ...

Polar vortex - Gravity Wiki
The polar vortex is a persistent, large-scale cyclone located near the Earth's poles, in the middle