AccuWeather meteorologists are warning that an active pattern will bring thunderstorms from the northern Plains to the Atlantic coast, with conditions ripe for long-track tornadoe

After a small lull in severe weather on Sunday, conditions may once again turn dangerous for many over the central United States by early next week.

WASHINGTON — Tornadoes are terrifying no matter when they hit—but when they spin up in the dark of night, they become even more dangerous. While overall tornado deaths in the U.S. have dropped since the 1880s, a new study shows a troubling twist: more and more of those fatalities are happening after the sun goes down.

and some areas are bracing for the possibility of tornadoes or hail the size of tennis balls, forecasters said. “A slow-moving storm over the Central United States this week will act as the cata ...

On May 3, 1999, 76 tornadoes tore across the U.S. Plains states, killing about 50 people and injuring hundreds.

Over 25 million Americans are under threat for damaging winds, large hail, and tornadoes on Saturday. The long stretch of disruptive severe weather and flash flooding across portions of the central and eastern United States will be shifting east Saturday.

The large areas of low atmospheric pressure that come with some storm systems can spawn tornadoes. Low pressure is associated with stormy weather, and the lower it is, the stronger a storm can be. Low pressure systems draw air into them, creating those rains and winds.