This article originally appeared on AccuWeather.com.
Residents from the Ohio Valley to the lower Mississippi Valley saw the year's most extensive severe weather outbreak Tuesday afternoon into Tuesday night.
A line of powerful thunderstorms containing damaging winds, large hail and flooding downpours ignited from central Illinois to eastern Texas early Tuesday afternoon and pushed eastward into Tuesday night.
Some of the worst storms focused on a zone from central Arkansas through southern Illinois with multiple storms producing funnel clouds and tornadoes.
Over 70,000 electric customers were without power in areas impacted by severe thunderstorms, including over 22,000 in Ohio and over 19,000 in Mississippi.
Significant damage was reported in Xenia, Ohio, Clifton near South Charleston, Ohio, as well as Garfield, Kentucky. This fell on the anniversary of the 1974 super outbreak when Xenia, Ohio, was hit by a devastating tornado.
Damage was also reported in Raleigh, Illinois, on Tuesday afternoon after a tornado-warned thunderstorm moved through the area.
Horses were rescued by their owners and neighbors after a barn collapsed in Clifton, Ohio.
At Houston's Hobby Airport, strong winds from the storms caused a hangar to collapse, trapping several pilots underneath, according to ABC13.