Police officer Robert Jonah walks through floodwaters in the Manayunk neighborhood of Philadelphia on Thursday, May 1. A powerful storm system, including a series of tornadoes, has claimed at least three dozen lives in several states this week.
Storm system brings tornadoes, flooding —
Police officer Robert Jonah walks through floodwaters in the Manayunk neighborhood of Philadelphia on Thursday, May 1. A powerful storm system, including a series of tornadoes, has claimed at least three dozen lives in several states this week.
Matt Rourke/AP
People look for items to salvage from a relative's tornado-ravaged home in Louisville, Mississippi, on Wednesday, April 30.
Storm system brings tornadoes, flooding —
People look for items to salvage from a relative's tornado-ravaged home in Louisville, Mississippi, on Wednesday, April 30.
Joe Raedle/Getty Images
On Florida's Gulf Coast, torrential rains reduced some streets to rubble, gouged huge gashes in others and left stretches of others submerged. Here, vehicles rest at the bottom of a ravine after part of the Scenic Highway collapsed near Pensacola, Florida, on April 30.
Storm system brings tornadoes, flooding —
On Florida's Gulf Coast, torrential rains reduced some streets to rubble, gouged huge gashes in others and left stretches of others submerged. Here, vehicles rest at the bottom of a ravine after part of the Scenic Highway collapsed near Pensacola, Florida, on April 30.
Katie E. King/pensacola news journal/ap
A truck is stuck in the middle of a flooded street after heavy rains in Pensacola on April 30.
Storm system brings tornadoes, flooding —
A truck is stuck in the middle of a flooded street after heavy rains in Pensacola on April 30.
Marianna Massey/Getty Images
Volunteers throw tornado debris on a burn pile in Vilonia, Arkansas, on April 30.
Storm system brings tornadoes, flooding —
Volunteers throw tornado debris on a burn pile in Vilonia, Arkansas, on April 30.
Mark Wilson/Getty Images
Jerry Estes salvages food items April 30 from the kitchen of his home that was damaged by a tornado in Louisville.
Storm system brings tornadoes, flooding —
Jerry Estes salvages food items April 30 from the kitchen of his home that was damaged by a tornado in Louisville.
Joe Raedle/Getty Images
A large tree smashes a car in Tupelo, Mississippi, on April 30.
Storm system brings tornadoes, flooding —
A large tree smashes a car in Tupelo, Mississippi, on April 30.
Joe Raedle/Getty Images
A tornado-damaged home near Fayetteville, Tennessee, is seen on April 30.
Storm system brings tornadoes, flooding —
A tornado-damaged home near Fayetteville, Tennessee, is seen on April 30.
Erik Schelzig/AP
Faye Busby shows where a tornado ripped off part of her home's roof in Graysville, Alabama, on Tuesday, April 29.
Storm system brings tornadoes, flooding —
Faye Busby shows where a tornado ripped off part of her home's roof in Graysville, Alabama, on Tuesday, April 29.
TAMIKA MOORE/AL.COM/Landov
A kitchen shelf stands in what remains of a home in Louisville on April 29.
Storm system brings tornadoes, flooding —
A kitchen shelf stands in what remains of a home in Louisville on April 29.
Rogelio V. Solis/AP
People work to clear a tree off a shed after a storm in Smiths Station, Alabama, on April 29.
Storm system brings tornadoes, flooding —
People work to clear a tree off a shed after a storm in Smiths Station, Alabama, on April 29.
Albert Cesare/Opelika-Auburn News/AP
Bobbi Leggon and Sudie Carter work to salvage items from a friend's home in Tupelo on April 29.
Storm system brings tornadoes, flooding —
Bobbi Leggon and Sudie Carter work to salvage items from a friend's home in Tupelo on April 29.
Thomas Graning/AP
Charles Milam takes a break while searching his destroyed home in Tupelo on April 29.
Storm system brings tornadoes, flooding —
Charles Milam takes a break while searching his destroyed home in Tupelo on April 29.
Thomas Graning/AP
Carnesha Bennett, right, cries on a friend's shoulder after touring what remains of her mother's child care center in Louisville on April 29.
Storm system brings tornadoes, flooding —
Carnesha Bennett, right, cries on a friend's shoulder after touring what remains of her mother's child care center in Louisville on April 29.
Rogelio V. Solis/AP
The remains of a large truck rest amid debris in Vilonia on April 29.
Storm system brings tornadoes, flooding —
The remains of a large truck rest amid debris in Vilonia on April 29.
Mark Wilson/Getty Images
Kevin Barnes searches the remains of his home in Tupelo on April 29.
Storm system brings tornadoes, flooding —
Kevin Barnes searches the remains of his home in Tupelo on April 29.
Thomas Graning/AP
Constance Lambert embraces her dog after finding it when she returned to her destroyed home in Tupelo on Monday, April 28.
Storm system brings tornadoes, flooding —
Constance Lambert embraces her dog after finding it when she returned to her destroyed home in Tupelo on Monday, April 28.
Brad Vest/The Commercial Appeal/AP
Residents walk along a Tupelo street on April 28.
Storm system brings tornadoes, flooding —
Residents walk along a Tupelo street on April 28.
Thomas Graning/The Daily Mississippian/AP
Workers assist a resident in Louisville on April 28. A nursing home and the Winston Medical Center, Louisville's major hospital, were among the buildings hit.
Storm system brings tornadoes, flooding —
Workers assist a resident in Louisville on April 28. A nursing home and the Winston Medical Center, Louisville's major hospital, were among the buildings hit.
Rogelio V. Solis/AP
Jimmy Sullinger watches lightning as a storm approaches the gas station where he works in Berry, Alabama, on April 28. Alabama Gov. Robert Bentley declared a state of emergency for all counties.
Storm system brings tornadoes, flooding —
Jimmy Sullinger watches lightning as a storm approaches the gas station where he works in Berry, Alabama, on April 28. Alabama Gov. Robert Bentley declared a state of emergency for all counties.
Butch Dill/AP
Justin Shaw, left, helps Nick Conway erect a flagpole April 28 at his destroyed home in Vilonia.
Storm system brings tornadoes, flooding —
Justin Shaw, left, helps Nick Conway erect a flagpole April 28 at his destroyed home in Vilonia.
Eric Gay/AP
John Smith reacts after seeing what's left of his auto repair shop in Mayflower, Arkansas, on April 28.
Storm system brings tornadoes, flooding —
John Smith reacts after seeing what's left of his auto repair shop in Mayflower, Arkansas, on April 28.
Karen E. Segrave/AP
Dust and debris fly as workers flip a fallen wall while searching destroyed homes in Vilonia on April 28. Arkansas Gov. Mike Beebe said the storm was one of the worst to hit the state in recent memory.
Storm system brings tornadoes, flooding —
Dust and debris fly as workers flip a fallen wall while searching destroyed homes in Vilonia on April 28. Arkansas Gov. Mike Beebe said the storm was one of the worst to hit the state in recent memory.
Eric Gay/AP
Residents of Baxter Springs, Kansas, view damage on April 28. A tornado estimated to be three blocks wide rumbled through Baxter Springs, said Cherokee County emergency manager Jason Allison.
Storm system brings tornadoes, flooding —
Residents of Baxter Springs, Kansas, view damage on April 28. A tornado estimated to be three blocks wide rumbled through Baxter Springs, said Cherokee County emergency manager Jason Allison.
Orlin Wagner/AP
People walk between destroyed houses on April 28 in Mayflower.
Storm system brings tornadoes, flooding —
People walk between destroyed houses on April 28 in Mayflower.
Danny Johnston/AP
The remains of a home are seen in Baxter Springs on April 28. Sixty to 70 homes and at least 20 businesses there were reported destroyed, Allison said.
Storm system brings tornadoes, flooding —
The remains of a home are seen in Baxter Springs on April 28. Sixty to 70 homes and at least 20 businesses there were reported destroyed, Allison said.
Orlin Wagner/AP
A tornado touches down in Baxter Springs on Sunday, April 27.
Storm system brings tornadoes, flooding —
A tornado touches down in Baxter Springs on Sunday, April 27.
Courtesy Mike Smith
A funnel cloud is seen near Baxter Springs on April 27.
Storm system brings tornadoes, flooding —
A funnel cloud is seen near Baxter Springs on April 27.
Courtesy Mike Smith