Examining tornadoes by a 0-5 ranking offers some clues to their patterns.
This tornado is considered the second deadliest in U.S. history.
Nearly the whole town was destroyed by one of the scariest tornado events in recent history.
The 1917 case is perhaps the most relentless of all the outbreak sequence events that that will be covered in this series.
Only a handful of tornadoes reach EF4 status or greater per year. Fewer last for 90 minutes.
Extreme instability and a boundary combined to create a monster tornado that churned for well over an hour.
The return to normalcy in Joplin was slow after the massive tornado in 2011, but it’s a place that can’t be held down for long.
Despite minimal attention in the lead up, May 9 ended up producing about two dozen tornadoes, including the first violent one of the year.
Tornadoes have been confirmed in Oklahoma, Nebraska, and Iowa from the first larger daytime event of the year in that region.
For the first case study on outbreak sequences, we examine two weeks of nearly nonstop tornadoes. Twisters brought devastating results from the central and southern Plains eastward into the Mid-Mississippi Valley and Great Lakes.
Every so often, tornado outbreaks come in volleys. In the first part of a series on outbreak sequences, we look at the necessary ingredients.
Despite a near-normal heart of tornado season in 2015, it’s become another year remembered for its lack of activity.