Forecasters use the terms tornado watch and tornado warning when predicting if and where tornadoes are possible in an area. How are they different?

Powerful storms bring tornadoes, giant hail, and flooding across central United States, leaving thousands without power and millions under alert.

The risks for tornadoes and severe weather have shifted eastward into the Ohio Valley and the mid-Atlantic after multiple apparent tornadoes swept through Illinois and Indiana on Tuesday.

Severe storms arrived as forecast on the evening of March 10, whipping up high winds, enormous hailstones and tornadoes.

At least eight people have been killed by a series of potent storms across the central US that spawned powerful tornados and reduced homes to rubble in several states

Dangerous storms with tornadoes and giant hail tore across the central US overnight Tuesday into Wednesday, killing at least two people.

Severe storms slammed parts of the Midwest on March 10 and 11, leaving behind a trail of uprooted trees and smashed cars.

Several damaging tornadoes and grapefruit-size hail struck Illinois and Indiana late Tuesday amid a widespread severe-weather outbreak across the central United States.

Forecasters say the upcoming severe weather season will look different from last spring’s headline‑grabbing tornado outbreaks.

"All severe hazards are possible, including the risk for a few strong to intense tornadoes and very large hail," the Storm Prediction Center said.

Powerful storms swept across northern Illinois and northwest Indiana, spawning multiple tornadoes and causing widespread damage.