After several quiet years, tornadoes have erupted in the United States over the last two weeks as a volatile mix of warm, moist air from the Southeast and persistent cold from the Rockies clashed and ...

Add Yahoo as a preferred source to see more of our stories on Google. A severe thunderstorm warning has been issued for part of the Kansas City metro as scattered thunderstorms are popping up across ...

(AP) – Millions of people in the central United States must brace themselves for powerful storms that may include long-track tornadoes, hurricane-force winds and baseball-sized hail, forecasters said ...