april This is a repeating eventapril 3, 2020 03aprAll Day04The April 3-4, 1974 Super Outbreak – Overview Event DetailsDetailed Super Outbreak tornado path and intensity analysis, hand drawn by Dr. T. Theodore Event Details Detailed Super Outbreak tornado path and intensity analysis, hand drawn by Dr. T. Theodore Fujita of University of Chicago. 148 Twisters in 24 Hours. Detailed Summary