Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
KXAN25d
How the jet stream affects our weather
Meteorologists closely monitor the jet stream’s position to forecast weather trends. An example of the jet stream setup There are two main types of jet streams that influence weather ...
Weather Underground26d
January Temperature Forecast Trends Colder In East, Remains Mild In Rockies
J anuary's temperature forecast has trended colder in the East ... what's called the Pacific–North American (PNA) pattern. Jet stream pattern in the positive phase of the Pacific North ...