A severe thunderstorm warning was issued for Stillwater, Oklahoma on June 26, and residents reported hearing tornado sirens go off.

A tornado was reportedly seen south of Angola in Indiana, on Tuesday, amid reports of sirens going off in the area.

Sirens are sounding the alarm in the midwest even as Tropical Storm Arthur is creating severe weather in the Gulf and ...

Add Yahoo as a preferred source to see more of our stories on Google. Sirens rang out in Alexandria, Nebraska, on Sunday, May 17, as a tornado emergency was declared in the village during an outbreak ...

If you hear a tornado siren in Kansas City this week, don't panic — the city says it's just testing all 140 outdoor warning ...

New Orleans officials joined a coalition of community-based organizations to call for the installation of emergency siren systems across the state weeks after 14 tornadoes touched down in the greater ...

Oil prices jumped more than 3% after reports that two tankers transiting the Strait of Hormuz had been hit by unknown ...