A highway guard rail wrapped around a pine tree in Hackleburg, Alabama after it was hurled by an EF-5 tornado on April 27, 2011. Hackleburg, Alabama, July 19, 2011, 2:11 p.m., Canon PowerShot S95, f/4.9, 1/500 sec., ISO 80. Photo by Christopher Mardorf / FEMA.
Books, tables and file cabinets litter a classroom after an EF-5 tornado struck Hackleburg High School on April 27, 2011. Hackleburg, Alabama, July 28, 2011, 11:16 a.m., Canon 5D Mark II, EF 24-105 mm f4.0L IS USM, f/22, 1/125 sec., ISO 800. Photo by Christopher Mardorf / FEMA.
Under an exposed roof and mangled truss, insulation and debris litter a high school classroom destroyed by an EF-5 tornado on April 27, 2011. Hackleburg, Alabama, July 28, 2011, 11:43 a.m., Canon 5D Mark II, EF 24-105 mm f4.0L IS USM, f/18, 1/125 sec., ISO 400. Photo by Christopher Mardorf / FEMA.
Debris, wiring, insulation and an office chair littler a room at Hackleburg High School struck by an EF-5 tornado on April 27, 2011. Hackleburg, Alabama, July 28, 2011, 11:24 a.m., Canon 5D Mark II, EF 24-105 mm f4.0L IS USM, f/7.1, 1/125 sec., ISO 400. Photo by Christopher Mardorf / FEMA.
Chairs, tables, books and insulation litter a classroom after an EF-5 tornado struck Hackleburg High School on April 27, 2011. Hackleburg, Alabama, July 28, 2011, 11:19 a.m., Canon 5D Mark II, EF 24-105 mm f4.0L IS USM, f/22, 1/125 sec., ISO 400. Photo by Christopher Mardorf / FEMA.
The twisted, skeletal remains of a blue jeans factory destroyed by an EF-5 tornado that struck the Wrangler Distribution Center on April 27, 2011. Hackleburg, Alabama, July 19, 2011, 1:16 p.m., Canon PowerShot S95, f/4.9, 1/500 sec., ISO 80. Photo by Christopher Mardorf / FEMA.
The twisted metal infrastructure of a blue jeans factory destroyed by an EF-5 tornado that struck the Wrangler Distribution Center on April 27, 2011. Hackleburg, Alabama, July 19, 2011, 1:30 p.m., Canon PowerShot S95, f/4.9, 1/320 sec., ISO 80. Photo by Christopher Mardorf / FEMA.
Concrete blocks, chairs and tables litter a classroom after an EF-5 tornado struck Hackleburg High School on April 27, 2011. Hackleburg, Alabama, July 28, 2011, 11:15 a.m., Canon 5D Mark II, EF 24-105 mm f4.0L IS USM, f/22, 1/125 sec., ISO 800. Photo by Christopher Mardorf / FEMA.
A highway guard rail stuck in the upper branches of a pine tree in Hackleburg, Alabama after it was hurled by an EF-5 tornado on April 27, 2011. Hackleburg, Alabama, July 19, 2011, 2:14 p.m., Canon PowerShot S95, f/4.9, 1/200 sec., ISO 80. Photo by Christopher Mardorf / FEMA.