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2O24Hennepin County All -Jurisdiction Hazard Mitigation Plan <br />Volume 2-Hazard Inventory <br />As settlement and population density increased human interactions with tornadoes also increased. <br />Reports became more numerous. GRAPHIC 4'3'20and GRAPHIC 4'3'2Edepict standardized and reliable <br />tornado data in Minnesota and in Hennepin County extending back to 1950. Advanced technology has <br />made detection easier and resulted inmore reports ofweak tornadoes. <br />* May 22,2011 <br />* May 6,ly65 <br />There have been no other incidents identified. <br />GRAPHIC 4.3.211) <br />Minnesota Tornadoes Since 1950 <br />1111111111 F Scale l�ffEFScale <br />800 <br />686 <br />700 <br />oOO <br />468 <br />500 <br />- 400 <br />0 <br />300 <br />E 211 207 <br />� 200 <br />1.00 <br />26 <br />689 33 S 6 O <br />O INNER Ell.�~ 0m __ — <br />FO/EFO 1-1/EF1 F2/EF2 F9/EF9 1-4/EF4 1-5/EF5 <br />76 <br />