How the Polar Vortex Can Bring Arctic Blasts to the U.S.
Briefly

from www.scientificamerican.com1 month ago
"When the polar jet stream zips more or less evenly around the Arctic, the continental U.S. and other midlatitude locations remain relatively warm because it keeps cold air trapped to the north."
www.scientificamerican.comhttps://www.scientificamerican.com/article/how-the-polar-vortex-can-bring-arctic-blasts-to-the-u-s/
"But when the jet stream meanders, drifting north and south as it circles Earth, teeth-chattering air can sneak farther south, causing local temperatures to drop sharply in what's sometimes known as an Arctic blast."
www.scientificamerican.comhttps://www.scientificamerican.com/article/how-the-polar-vortex-can-bring-arctic-blasts-to-the-u-s/
Read at www.scientificamerican.com
#weather-patterns #polar-jet-stream #climate #winter-weather #atmospheric-science
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