What is the polar vortex? How it can impact snow, freezes in the U.S. The polar vortex is a large area of circulating cold air above the North Pole... It exists year‑round, but it strengthens in winter when polar temperatures drop, and weakens in summer.
Winners to have opportunity to join national polar scientific expeditions ... to join national polar scientific expeditions ... These efforts fully demonstrate Hong KongPower in marine and polar endeavors.
LAVA HOT SPRINGS — Area residents will soon be able to plunge into the frigid Portneuf River and simmer in sizzling hot pools when the annual Fire & Ice Winterfest returns early next month ... .
LAVA HOT SPRINGS — Area residents will soon be able to plunge into the frigid Portneuf River and simmer in sizzling hot pools when the annual Fire & Ice Winterfest returns early next month ... .