NOAA's National Weather Service Weather Forecast Office

A Study of Chicago's Significant Tornadoes

A Preliminary Analysis of Convective Reports received by
the NWS in Chicago

Monthly Storm Data Summaries for the Chicago County Warning Area

Map of Storm Reports from Yesterday

The Storm Prediction Center (SPC) Climatological Data

Storm Events Search from NCDC

Severe Thunderstorm Climatology from the National Severe Storms Laboratory

Severe Weather Terms and General Terminology:

Weather Terms and Terminology from NWS Chicago

Glossary of Weather Terms for Storm Spotters by Michael Branick of NOAA/NWSFO Norman