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.
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 →
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.
See the polar vortex in action as it sank the States into a big freeze in January.
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.
The cold snap triggered by the polar vortex was paltry compared to cold waves in the past four decades.