Tornadoes tear though Tennessee, 25 dead

Tornadoes ripped through Tennessee early Tuesday, leaving at least 25 people dead, destroying buildings and toppling power lines hours before the southern US state voted in Super Tuesday primaries.

Ice cover takes deep dip on Great Lakes

Icy, snow-covered lakes are a normal part of Midwest winters, but Great Lakes ice cover is taking a big dip this year in Michigan and other states, weather experts say.

NASA sees tropical cyclone 18p form near American Samoa

The low-pressure area that has been lingering west-northwest of American Samoa for several days has organized into a tropical depression. NASA's Terra satellite passed over the Southern Pacific Ocean and provided forecasters ...

At least 11 dead as storms sweep through US south

Severe storms sweeping the southern US killed at least 11 people, authorities said, as tornadoes and high winds upturned cars, destroyed homes and left tens of thousands without power.

Experiment closes critical gap in weather forecasting

Scientists working on the next frontier of weather forecasting are hoping that weather conditions 3-to-4 weeks out will soon be as readily available as seven-day forecasts. Having this type of weather information—called ...

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