Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

St. Louis, Missouri

WFO St. Louis

County Warning Area
Tornado Database

Click HERE for the regional tornado database.

This database contains all known tornadoes that have occurred in the NWS St. Louis County Warning Area (CWA) from 1805 to present and is updated on a regular basis. Statistics previous to 1950 were taken from an extensive database of killer and significant tornadoes (F2-F5) compiled by Tom Grazulis (1993). After 1950, all tornadoes were gathered from either the Storm Prediction Center or the National Centers for Environmental Information Database. Tornado intensity is determined by using the F/EF-Scale and the time is in Central Standard Time (CST).

Questions?

If you have any questions or comments, please contact: nws.stlouis@noaa.gov

Data Sources:

Grazulis, Thomas P. Significant Tornadoes 1680-1991. St. Johnsbury, VT: Environmental Films, 1993.

Grazulis, Thomas P. Significant Tornadoes Update 1992-1995. St. Johnsbury, VT: Environmental Films, 1997

National Oceanic and Atmospheric Administration, National Centers For Environmental Information. Website: https://www.ncdc.noaa.gov/stormevents/

Storm Prediction Center's Tornado Database: 1950-2013, www.spc.noaa.gov/archive

Acknowledgement:

We would like to to thanks Mr. Anthony Cavallucci, the Warning Coordination Meteorologist in

NWS Morristown, TN for his assistance in setting up this database.

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