April 27, 2011, featured many uniquely violent and powerful tornadoes. However, one stands out above all others: Hackleburg. It produced one of the largest swaths of violent damage ever documented and, at the time, killed more people than any other single tornado since 1955. This page connects the five other summaries documenting the track, and provides basic statistical information on the event.
During the April 25-28, 2011 Super Outbreak, 34 tornadoes occurred in Texas. Most of the tornadoes produced damage in the EF0 range. Two were rated EF2. The remaining twisters caused EF1 damage. This summary explores one of the EF1 tornadoes that struck Groesbeck, TX.
The 2011 Super Outbreak reached far beyond populated areas into the wilderness. Deep in the Great Smoky Mountains, five tornadoes occurred on April 27 within five hours. These twisters repeatedly pounded areas of the Cherokee National Forest and Great Smoky Mountains National Park, tearing large chunks of forest from mountains and shutting down trails for months.
One of the worst tornadoes in Virginia history tore through the Appalachian Mountains and a thriving country town. At a maximum width of 2,320 yards (1.32 miles), it is by far the widest the state has ever seen and wreaked havoc across a 24-mile path. More than a remarkable meteorological event for the region, this twister reshaped hundreds of lives, particularly in the community of Glade Spring.
Seven tornadoes were confirmed during the April 25-28 Super Outbreak in Pennsylvania. This summary looks at the strongest one, an EF2 with peak wind speeds estimated at 130 mph. It hit the Roundtop Ski Resort in York County.
An outbreak of tornadoes occurred on April 21, 1967 across parts of the Midwest states. Per The Storm Prediction Center, there were 46 tornadoes. 5 were given a rating of F4: 1 in MO, 1 in MI and 3 in IL. This summary will focus on the 3 Illinois F4s. It is considered Northern Illinois’ Worst Tornado Disaster.