Tornado Preparedness Week 2013
Thursday - October 31, 2013 - Long Track Tornadoes & Violent Tornadoes
Our region is all too familiar with violent (EF4-EF5) tornadoes, as has been evident by the increased activity since 2010, especially the historic outbreak of April 27, 2011. What you may not be aware of, is just how vulnerable our region is to the most devastating, very long track (+100 miles), violent tornadoes. The map below shows all of the very long track violent tornadoes across the United States since 1950. While these events are rare, the southeast US, especially MS & AL, has seen more than half of these tornadoes since 1950.
Taking a closer look at Mississippi and further back in history, what time of year do violent tornadoes typically occur? You can see from the graph below, spring is the peak season for those rare and devastating tornadoes. However, there does exist a small peak in the late fall with a steady upward trend through winter into early spring.