December 2017–January 2018 North American cold wave
Starting in late December as a result of the southward shift of the polar vortex, extremely cold conditions froze the eastern United States in the last few days of 2017 as well as into the new year. Following a brief respite in mid-January, cold temperatures swung back into the eastern U.S. shortly afterwards.
The Arctic Winter Seasons 2016 and 2017: Climatological Context …
Jan 6, 2023 · The atmospheric circulation at the 500 mb level was characterized by a separation in two centers of low geopotential height over the Arctic region (split tropospheric Polar vortex). The split tropospheric Polar vortex was mainly responsible for the extremely warm temperatures over the Arctic basin, Canada, and the northern part of Russia.
The extraordinarily strong and cold polar vortex in the early …
Nov 26, 2016 · The Arctic polar vortex in the early winter 2015/2016 was the strongest and coldest of the last 68 years. Using global reanalysis data, satellite observations, and mesospheric radar wind measurements over northern Scandinavia we investigate the characteristics of the early stage polar vortex and relate them to previous winters.
In the atmospheric science literature, the term polar vortex is most com-monly used as an abbreviation for circumpolar vortex and refers to a planetary-scale westerly (west to east) flow that encircles the pole in middle or high latitudes.1.
What Is the Polar Vortex and How Does It Influence Weather?
Jan 1, 2017 · Here, we clarify the different structures, seasonality, and dynamics of the stratospheric and tropospheric polar vortices and discuss the connections of both to extreme weather events at Earth’s surface. TWO POLAR VORTICES.
Understanding the Arctic polar vortex - NOAA Climate.gov
Mar 5, 2021 · Polar vortex expert Amy Butler and Arctic expert James Overland offer perspectives on the February cold snap in the southern U.S., the polar vortex, and how the Arctic might influence mid-latitude weather.
Polar Vortex May Return for Winter of 2016-2017: How to …
Nov 29, 2016 · So here is the brutal, cold truth: The northeastern United States may be in for another polar vortex weather system that could send temperatures into the record books in late winter and early...
January–March 2014 North American cold wave - Wikipedia
Beginning on January 2, 2014, sudden stratospheric warming (SSW) [dubious – discuss] led to the breakdown of the semi-permanent feature across the Arctic known as the polar vortex.
Polar Vortex Returns? It's Called WINTER! A Blast of Winter.
Dec 13, 2016 · However, the media is all over this recent appearance of winter with coming attractions of the Return of the Polar Vortex!! Apparently you don't even have to go on Netflix it will find you soon enough....
January–February 2019 North American cold wave - Wikipedia
In late January 2019, a severe cold wave caused by a weakened jet stream around the Arctic polar vortex [5] hit the Midwestern United States and Eastern Canada, killing at least 22 people. [3] [4] It came after a winter storm brought up to 13 inches (33 cm) of snow in some regions from January 27–29, and brought the coldest temperatures in over 20 years to most locations in the …