Case Study 018"Upper-Midwest
Severe Weather"
30-31 May 1998
Laboratory Exercises
F-Scale Exercise on Spencer, SD Tornado Damage based on photos of damage and using the Fujita Tornado Intensity Scale. This exercise was developed by Roger Edwards (Storm Prediction Center (SPC)) and D. Greg Harmon (NWS Sioux Falls, SD) and presented at the NWS/Texas Tech Severe Storms Conference (Lubbock, 9 Feb 1998). A photo showing the damage path can be found on the SPC Web page.