U.S. Severe Weather Blog

Some brief notes on the 24 April 2010 long-track tornado

Preliminary information on the long-track tornado that went from eastern Louisiana across much of Mississippi.

1. It had a path length of at least 97 miles. Over the last 40 years, we’ve averaged about one 100 mile path length tornado every 2 years.
Update (27 April): The path length is now given as 149 miles, the 6th longest since 1970. A crude estimate is a once per 8 year event.
2. There were 10 direct fatalities with the tornado. The last double-digit death day was 25 May 2008 (the day that Parkersburg, Iowa was hit.) The last double-digit fatality tornado was on 10 May 2008 (Picher, OK and southwestern Missouri.
3. It’s the most fatalities in a tornado in Mississippi since 21 November 1992 (Brandon-12 fatalities)
Update (27 April):
4. Deaths by circumstance: 6 mobile home, 2 outdoors, 2 vehicle.

Harold Brooks is a research meteorologist with the NOAA National Severe Storms Laboratory in Norman, Oklahoma.

This blog is intended to facilitate communication about the impacts of selected severe weather events, particularly major tornadoes, in the United States. We hope it will allow us to assist interested parties to understand what we at the NOAA Weather Partners in Norman, Oklahoma have been able to gather about the events. It is not intended to provide critical weather forecast information, nor is it intended to provide information on a broad range of research topics associated with severe weather.

Tags: ,