polar vortex


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polar vortex

[′pō·lər ′vȯr‚teks]
(meteorology)
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, one near Baffin Island and another over northeastern Siberia; the associated cyclonic wind system comprises the westerlies of middle latitudes. Also known as Antarctic vortex; circumpolar whirl; polar cyclone; polar low.
References in periodicals archive ?
Previously, Cassini was orbiting in the equatorial plane of the planet, and the imaging team's images of the polar vortex between late March and mid-May were taken from a location over Titan's equator.
com/news/weather/whys-it-so-warm-time-thank-polar-vortex-n478471) polar vortex isAaAaAeAeAaAeAeA aAaAaAeAeAaAeAeA ringAaAaAeAeAaAeAeA of cold wind in the North Pole that is currentlyAa from low pressure that keeps itAaAaAeAeAaAeAeA trapped in the reg
In 1979, the Pioneer Venus mission observed a similar polar vortex with two apparent centers of rotation in the Venusian northern hemisphere.
The reliable generation from the unit kept air conditioners humming over the summer and helped keep houses warm during the worst of the polar vortex last winter.
cpkey=557e026e-f359-4bba-bbeb-6b02d00317cb%257c%257c%257c%257c) MSN Australia : An over-eager kid, a trampoline and a polar vortex.
While many plants struggle to run during extreme heat or cold, when their power is needed most as we saw during the peak of this past January s polar vortex -- ours do not.
It got down to -17C in the polar vortex earlier this month
Higher fuel costs caused by the extreme weather conditions associated with this winter s polar vortex contributed to a slight increase in the fuel component of rates for Duke Energy Progress customers in South Carolina.
IT could be renamed the Niagara Stalls as the deadly polar vortex hitting North America freezes the water solid.
Out of the four images, the other three depict the newly discovered south polar vortex in Titan's atmosphere, as reported by Cassini scientists.
In the amended 28 February 2014 filing, Consumers said the new factor was required as a result of significant, unanticipated increases in the market price for natural gas as a result of the Polar Vortex phenomena, as well as extended periods of colder-than-normal weather and increases in demand for natural gas and its sendout.