National Weather Service United States Department of Commerce

Cold Temperatures Across the Northern and Central Plains; Severe Weather Potential for the East

Severe weather and heavy rainfall potential along with warm temperatures will affect the eastern portions of the country through Sunday as a cold front tracks eastward. Meanwhile, much colder air across portions of the Plains will bring frost and freeze conditions into Sunday morning. Dry, mild and breezy conditions linger for the four-corner region where elevated to critical fire weather remains. 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). 




If you have any questions or comments, please contact: 


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:


Storm Prediction Center's Tornado Database: 1950-2013,




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.