Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

While jet streams are air patterns, the Gulf Stream is an ocean pattern that also has an impact on weather.

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

Warmer-than-normal temperatures in the Gulf of Mexico did not cause the record-setting snowfall, but the conditions may have been an ingredient to the unusual weather.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar vortex affects the weather.

The plunging polar vortex brought subfreezing temperatures Tuesday to some ... Brian Witte in Annapolis, Maryland, Julie Walker in New York; Joshua A. Bickel in Cincinnati; Jamie Stengle in Dallas; ...

The heaviest snow fell in Louisiana, where the city of New ... polar jet stream is stuck over the Gulf Coast, being forced thousands of miles south of its normal location by a displaced Polar Vortex.

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late Monday into Tuesday. The event comes ...