Photo of a snowy street with traffic
October 17, 2019

Warmer-than-average temperatures are forecast for much of the U.S. this winter according to  NOAA’s Climate Prediction Center.  The northern states have the highest chances for much wetter than average conditions. 

March 6, 2018

Thanks to a wavy jet stream and an extremely abnormal air mass, record-breaking warm temperatures were felt across the eastern United States.

February 6, 2018

During an extremely wet winter so far in France, the Seine River overflowed through Paris, flooding streets and buildings nearby.

December 29, 2016

As cold air filtered into the United States over the Great Lakes, the lake effect snow machine turned on burying nearby locations.

March 11, 2016

For the third winter in a row, temperatures were well above normal for much of Alaska, leaving Alaskans to wonder, where's winter?

February 24, 2015

A stalled atmospheric set-up has made Boston and surrounding areas in the Northeast the most popular truck stop for storms travelling the atmospheric highway known as the jet stream. And stop they have, like a caravan of tractor-trailers idling in a rest stop parking lot.

January 20, 2014

The Arctic Oscillation describes simultaneous, geographically “choreographed” shifts in multiple features of the polar vortex: air pressure, temperature, and the location and strength of the jet stream. They all follow the hemisphere-wide oscillation of atmospheric mass back and forth between the Arctic and the middle latitudes, sort of like water sloshing in a bowl.

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