On Thursday, 9 April 1953, the first recorded radar observations of a tornadic thunderstorm were made by Mr. Donald Staggs using a research radar system operated by the Illinois State Water Survey (ISWS) at Champaign. Mr. Staggs, an electrical engineer, was testing the radar in preparation for an upcoming field project. He recognized the intriguing nature of the echo
patterns that were being detected late that afternoon and voluntarily continued the radar operations into the evening hours. Some of the resultant data were included in several 16mm motion picture films that were produced at the Water Survey in the 1950's. The images collected on this web page have been extracted from digitized versions of the original ISWS movies.
Click here for images.
On Thursday, 9 April 1953, the first recorded radar observations of a tornadic thunderstorm were made by Mr. Donald Staggs using a research radar system operated by the Illinois State Water Survey (ISWS) at Champaign. Mr. Staggs, an electrical engineer, was testing the radar in preparation for an upcoming field project. He recognized the intriguing nature of the echo 
patterns that were being detected late that afternoon and voluntarily continued the radar operations into the evening hours. Some of the resultant data were included in several 16mm motion picture films that were produced at the Water Survey in the 1950's. The images collected on this web page have been extracted from digitized versions of the original ISWS movies. Click here for images.
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