Arctic tropospheric polar vortex A polar vortex, more formally a circumpolar vortex, is a large region of cold, rotating air; polar vortices encircle both...

hemisphere and the southern hemisphere each have a polar jet around their respective polar vortex at around 30,000 ft (5.7 mi; 9.1 km) above sea level...

In fluid dynamics, a vortex (pl.: vortices or vortexes) is a region in a fluid in which the flow revolves around an axis line, which may be straight or...

Polar Vortex is a 2020 novel by Canadian author Shani Mootoo. This domestic drama deals with the complexities of modern love. A love triangle develops...

vertical cycle around the polar cell in each latitudinal hemisphere's polar region. Closely related to this concept is the polar vortex, a rotating low-pressure...

(polar vortices) in 2006 on one of its close-up flybys of the planet. The south pole was seen to have a large, constantly changing, double-eye vortex through...

2012, Cassini imaged a rotating polar vortex on Titan's southern pole, which the imaging team believe is related to a "polar hood"—an area of dense, high...

occurred in early 2014 and was caused by a southward shift of the North Polar Vortex. Record-low temperatures also extended well into March. On January 2...

Developing barotropic instability of Saturn's North Polar hexagonal circumpolar jet (Jet) plus North Polar vortex (NPV) system produces a long-living structure...

and strongest during winter. When the polar vortex is strong, the Westerlies increase in strength. When the polar cyclone is weak, the general flow pattern...

a severe cold wave caused by a weakened jet stream around the Arctic polar vortex hit the Midwestern United States and Eastern Canada, killing at least...

pressure systems dominate more in the summer. Polar vortex Horse latitudes Intertropical Convergence Zone "Polar Front: What Is It & The Definition". Tomorrow...

polar vortex air. However, a 2012 review in the Journal of the Atmospheric Sciences noted that "there [has been] a significant change in the vortex mean...

high in the stratosphere, are often associated with Rossby waves and Polar Vortex breakdown and come in varying magnitudes. SSW events are significantly...

troposphere, reaching near 60 m/s (220 km/h; 130 mph) in the Southern polar vortex. In 1902, Léon Teisserenc de Bort from France and Richard Assmann from...

A multiple-vortex tornado is a tornado that contains several vortices (called subvortices or suction vortices) revolving around, inside of, and as part...

shipping and gas and oil platforms. Polar lows have been referred to by many other terms, such as polar mesoscale vortex, Arctic hurricane, Arctic low, and...

subtropical during its extratropical transition. A polar, sub-polar, or Arctic cyclone (also known as a polar vortex) is a vast area of low pressure that strengthens...

vortex often reach as high as −122 °C, suspected to be the warmest spot on Saturn. A persisting hexagonal wave pattern around the north polar vortex in...

Permafrost tundra includes vast areas of northern Russia and Canada. The polar tundra is home to several peoples who are mostly nomadic reindeer herders...

Butler reported that the weakening of the polar vortex was caused by atmospheric waves interfering with the vortex, meaning that higher altitude regions in...

variability and change John Michael Wallace North Atlantic Current Polar amplification Polar vortex Siberian High North Atlantic oscillation "Arctic Oscillation...

Northeastern United States and the northeast Atlantic. Cold-core low Cold pool Polar vortex Basque: tanta hotz; Catalan: gota freda; French: goutte froide; Galician...

smallest in the previous thirty years, due to the warmer polar stratosphere weakening the polar vortex. In September 2023, the Antarctic ozone hole was one...

layer vorticity upward into a vertical axis and tightens it into a strong vortex. The parent clouds are often predominantly liquid when producing landspouts...

Nevada. Climate scientists have hypothesised that the stratospheric polar vortex jet stream will gradually weaken as a result of global warming and thus...

four days common during active periods. Ground blizzard Panhandle hook Polar vortex Snow squall Wind chill "Alberta clipper". Glossary of Meteorology. American...

when much of the US was experiencing atypically cold weather due to a polar vortex. Huslia was 20 degrees Fahrenheit warmer in January 2025 than it typically...

2011-05-14. Retrieved 2009-11-06. Glossary of Meteorology (June 2000). "Polar vortex". American Meteorological Society. Archived from the original on 2011-01-09...

The Arctic Circle is one of the two polar circles, and the northernmost of the five major circles of latitude as shown on maps of Earth at about 66° 34'...