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.

Multiple rounds of severe weather affected portions of the Plains, South, Midwest and East from the last week of April into May Day.

Storm Reports

Monday, May 1

Monday afternoon, storms produced wind gusts as high as 78 mph in Chautauqua County, New York.

A 60-mph wind gust was measured in Oswego, New York, which damaged a wind turbine on the SUNY Oswego campus .

Damaging thunderstorm winds in Youngstown, Ohio, ripped roofs off buildings and knocked down trees, there.

In Erie, Pennsylvania, motorists had to be rescued due to water over the road, according to a National Weather Service storm report.

Flooding was also reported in portions of western New York, including the Buffalo area, which forced closures of numerous roads in Niagara Falls.

Monday evening, strong winds from a thunderstorm knocked wires down onto a car with occupants inside in Lanesboro, Pennsylvania. There have been no reports of injuries.

In addition, trees were knocked down in parts of State College, Pennsylvania, some of which fell onto homes and caused damage.

Winds gusted as high as 80 mph Monday evening in Middleburgh, New York.

As of late Monday evening, 187 reports of severe weather had been reported to the National Weather Service from New York to South Carolina, with the majority of the reports in New York and Pennsylvania.

Sunday, April 30

A thunderstorm with damaging straight-line winds pushed through southern portions of the Nashville, Tennessee, metro area Sunday afternoon. Numerous trees were downed or uprooted, and some power lines were knocked down.

Several radar-confirmed tornadoes occurred Sunday morning in Mississippi, including near Natchez, Vicksburg, Port Gibson and Pickens. Buildings were damaged in Flora, and unspecified structure damage occurred near Canton. Some homes also suffered damage by possible tornadoes near Utica and near Columbus, Mississippi.

In Tennessee, a possible tornado damaged power poles and trees in Covington Sunday morning.

Friday Night, April 28 - Saturday, April 29

Late Saturday, four confirmed tornadoes struck northeast Texas, including near Eustace, Caney City and Canton.

Elsewhere, a series of severe thunderstorms caused wind damage to houses near Natchitoches and Jonesboro, Louisiana, Saturday afternoon. Some of this damage may have been caused by a brief tornado.

Widespread damaging wind gusts were reported Saturday evening in central Illinois, especially in Montgomery County. Two semi-trucks were blown over on Interstate 55, and numerous trees were uprooted or pushed onto homes.

Six empty coal cars were derailed in Pawnee, Illinois, by high winds.

Near St. Louis, winds caused boats and a car to overturn near Kampville, Missouri, Saturday afternoon.

In Oklahoma, a tornado was confirmed near Sallisaw Saturday afternoon. Oklahoma City clocked a wind gust of 61 mph in a line of severe storms early Saturday morning while to its west, the town of Hinton, Oklahoma, saw a wind gust of 77 mph, and a gust of 81 mph was measured near Hobart.

A likely tornado damaged a home and destroyed an outbuilding near Lawrence, Illinois, Friday evening. Overnight Friday, a double-wide mobile home was destroyed when a thunderstorm moved through, injuring one person.

Thursday, April 27

Severe storms hit parts of southern Alabama and Georgia on Thursday.

There were multiple reports of damage from a possible tornado in Pike County, Alabama, late Thursday morning, including downed power lines and trees downed onto homes.

Early Thursday afternoon, another possible tornado was reported just north of Junction City in Talbot County, Georgia, where structural damage was left behind, and one woman was treated for minor injuries after getting trapped in a home near Baldwinville, Georgia.

(NEWS: Severe Storms Hit the South; Damage Confirmed in Alabama, Georgia )

Two people were injured by a possible tornado in Clayton, Alabama, Thursday evening. This apparent tornado caused damage to a home.

Two tornadoes likely touched down in western Kansas Thursday, near Kendall and Kanorado. These tornadoes, if confirmed, occurred in extremely dry air with dew points in the low 40s.

Wednesday, April 26

Numerous reports of wind damage came in from Greentown, Indiana, Wednesday evening, including downed trees and an old barn blown into the road.

Wednesday afternoon, strong thunderstorm winds downed a tree onto a trailer in Clay City, Illinois, but no injuries were reported, according to the emergency manager.

Additionally, a severe thunderstorm with a possible tornado downed several trees – some onto homes – in Brinkley, Arkansas.

An apparent "gustnado " moved through Trumann, Arkansas, Wednesday afternoon, and multiple trees were reported down in the area.

Large hail pelted the Dallas metro area early Wednesday morning as flash flooding inundated some locations in northwest Arkansas.

More details on impacts can be found at the link below.

(LATEST NEWS: Severe Weather, Flooding in the South )

Tuesday, April 25

Storms Tuesday evening produced large hail up to baseball size in McIntosh County, Oklahoma, around midnight, up to golf ball-size hail around Norman, Oklahoma, and quarter-size hail in parts of the Oklahoma City and Tulsa metro areas.

A possible tornado blew out windows, downed numerous trees and blew off rooftop air conditioner units at a Walmart near Holdenville, Oklahoma, about 70 miles east-southeast of Oklahoma City, late Tuesday night.

MORE ON WEATHER.COM: Tornado Risk By Month