Early 2014 north american cold wave - wikipedia, The 2014 north american cold wave was an extreme weather event that extended through the late winter months of the 2013–2014 winter season, and was also part of an. 2016-2017 long-range weather forecast for u.s. and canada, Hi! january’s weather predictions are now available (the current and next month are posted online), so you can go to: http://www.almanac.com/weather/longrange. Noaa: another warm winter likely for western u.s., south, Noaa: another warm winter likely for western u.s., south may see colder weather repeat of last year’s extremely cold, snowy winter east of rockies unlikely.
Polar vortex - wikipedia, History. the polar vortex was first described as early as 1853. the phenomenon's sudden stratospheric warming (ssw) develops during the winter in the northern. Dc winters - national weather service, National weather service baltimore/washington - dc winters references: national disaster survey report: superstorm of march 1993, dept. of commerce,. Polar vortex: what is it, and when is it going away? - u.s, So what exactly is a polar vortex? a polar vortex is basically a great swirling pool of extremely cold air located tens of thousands of feet in the atmosphere, said.