All Items Tagged

“polar vortex”

Jul 15, 2014 09:00 AM ET // Kelly Dickerson, LiveScience
The cold front sweeping across the United States is not technically a polar vortex, but it will bring significantly lower temperatures.
Some effects of the long-lasting, sub-freezing temperatures are only now becoming apparent. One surprise was the discovery that starving rats in New York City had attacked the trees in urban parks for sustenance.
Mar 5, 2014 10:21 AM ET // Tim Wall
The heavy snows of winter 2013-14 already have earned a place in the top 5 snowiest winters ever for numerous U.S. cities. Continue reading →
Feb 24, 2014 02:15 PM ET // Laura Poppick, LiveScience
With the anticipated return of frigid weather across the northern United States this week, many are wondering if this is yet another 'polar vortex' event.
Feb 18, 2014 03:50 AM ET // Lori Cuthbert
See the polar vortex in action as it sank the States into a big freeze in January.
Feb 14, 2014 08:11 AM ET
Parts of the United States have experienced an extremely cold and snowy winter. Does this winter prove that global warming is fake? Trace explains climate change and why one extreme winter does not mean global warming isn't real.
Jan 16, 2014 12:40 PM ET // Becky Oskin, LiveScience
The cold snap triggered by the polar vortex was paltry compared to cold waves in the past four decades.