00:48 Sioux Falls Tornado Rips Apart Building in Newly Released Footage Newly released footage from inside a health center in Sioux Falls shows the damage done by an EF-2 tornado that struck the city one year ago.

At a Glance Severe thunderstorms struck the South, Ohio Valley and East on April 13-14, 2019.

Damaging winds and tornadoes were the primary impacts. An outbreak of severe thunderstorms with damaging winds and tornadoes swept from the South to the East Coast April 13, 2019 into early April 15, 2019.

The storms contributed to several deaths in the South on April 13. More details on the impacts can be found at the link below.

(LATEST NEWS: Deadly Storms Hit the South)

The National Weather Service confirmed 69 tornadoes in 12 states from the Palm Sunday weekend severe outbreak.

<img class="styles__noscript__2rw2y" src="https://s.w-x.co/util/image/w/OUTBREAK_0.jpg?v=at&w=485&h=273" srcset="https://s.w-x.co/util/image/w/OUTBREAK_0.jpg?v=at&w=485&h=273 400w, https://s.w-x.co/util/image/w/OUTBREAK_0.jpg?v=ap&w=980&h=551 800w" > Preliminary reports of severe weather April 13, 2019 into early April 15, 2019. Note, the tornado reports don't necessarily correspond to confirmed tornadoes, and some reports categorized as damaging winds may later be found to have been from tornadoes after NWS damage surveys. (Data source: NOAA)

The two strongest tornadoes occurred on April 13 near Franklin and from northeast of Crockett to Alto to near Reklaw, Texas. Both tornadoes were rated EF3. NWS damage survey teams found that the latter EF3 tornado had a 44-mile long path from Houston County through the city of Alto in Cherokee County into southwest Rusk County.

Strong tornadoes also struck Mississippi where EF2 damage was reported from three separate tornadoes. One of those struck Hamilton, killing one person.

EF2 tornadoes were also confirmed in Richland County, Ohio and Warren County, Pennsylvania on Palm Sunday. Another EF2 tornado tore through southern Delaware's Sussex County in the pre-dawn hours of April 15. This was the first F/EF2 tornado in Delaware since a Sep. 28, 2004, tornado hit the New Castle County Airport from the remnant of Hurricane Jeanne.

In all, there were at least 475 reports of severe weather from Palm Sunday morning into early morning on April 15 , and another 229 reports were received from the morning of April 13 through early morning on April 14.