The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most ...
growing weaker in the summer and strengthening in the winter. During winter in the Northern Hemisphere, the polar vortex often expands, pushing cold air southward along with the jet stream.
The United States has been at the epicenter of the planet’s most unusually cold conditions early in 2025. The polar vortex is ...
Winter gasoline, by contrast, contains more butane to enhance volatility for easier cold ... air quality standards The result? A price increase of 10 to 15 cents per gallon on average during the ...
It’s really, really cold again ... cold air from warm air. This high has been stuck over Alaska and northwest Canada, which is something that generally happens more often during La Niña ...
Occasionally, a portion of the polar vortex will break off and push frigid air into the Lower 48 during the winter, but that is not the case this week. With the fringe of the cold air creeping ...