Add Yahoo as a preferred source to see more of our stories on Google. KNOXVILLE, Tenn. (WATE) — A lot goes into making a long-range forecast and they can be quite difficult, especially here in East ...

The Arctic Oscillation, or "AO" for short, describes the periodic strengthening and weakening of the polar vortex. In this case, the polar vortex is the air mass that rotates around the North Pole, ...

We are looking towards next week at the possibility of Arctic air moving southward and the possibility of freezing temperatures in the Coastal Bend. One of the potential factors that could play a key ...

A potential "wobble" in the polar vortex could bring Arctic air to Wisconsin and the northern U.S. around Thanksgiving. A weakened polar vortex, which is currently being observed, can lead to harsher ...

AUSTIN (KXAN) — Up until now, we’ve had a warm start to the fall season, and Austin’s Camp Mabry has yet to have lows in the 30s or highs below 60. Near term, temperatures may cool a little bit for ...

KNOXVILLE, Tenn. (WATE) — A lot goes into making a long-range forecast and they can be quite difficult, especially here in East Tennessee. It starts by looking on the global scale and I usually start ...