A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
with their maximum strength forecast to be a Category 2 or 3 (out of 5) this week. It comes as a stronger-than-normal Pacific jet stream pattern extends over 5,000 miles from Japan to Washington ...
The National Oceanic and Atmospheric Administration’s winter forecast says there is ... the surface…These cold waters in the Pacific push the jet stream northward." Because cold waters in ...
the Pacific jet stream shifts south, often bringing wetter conditions to the Gulf Coast. Conversely, La Niña years occur when these Pacific waters are cooler than average. That tends to push the ...