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Table 4 . 17 . Tornado wind speeds . <br /> `'\rr <br /> Category Wind Speed ( mph ) <br /> Light 40 - 72 <br /> Moderate 73 - 112 <br /> Significant 113- 157 <br /> Severe 158-206 <br /> Devastating 207-260 <br /> Incredible 261 -318 <br /> Source : Florida Department of Community Affairs , 2003b . <br /> The National Climate Data Center ( NCDC ) indicates that there have been a total <br /> of 26 tornado incidents in Indian River County since 1953 . The majority of the events have <br /> been FO and F1 . NCDC data also indicate that there has been one tornado-rellated injury , no <br /> deaths , and $ 1 , 397 , 000 in property damage associated with tornado events in the County . <br /> Table 4 . 18 describes some of the more significant tornado events that have occurred within <br /> the County. <br /> Table 4 . 18 . Tornado incidents , Indian River County , 1953 — 2003 . <br /> Path Path <br /> Date Magnitude Length Width Description <br /> (miles ) (yards ) <br /> 4 October 1978 FO 0 20 None available <br /> 3 September 1979 F1 0 30 None available <br /> 25 May 1985 F1 2 30 None available <br /> 12 July 1987 FO 1 30 None available <br /> 27 June 1992 FO 0 10 None available <br /> 25 September 1998 F1 2 40 Downed trees and damaged roofs in <br /> Sebastian <br /> 24 June 2001 F1 2 1 Downed trees and damaged roofs <br /> and shed in Sebastian <br /> Destroyed 2 homes , damaged <br /> 13 December 2002 F1 1 60 7 homes and 3 vehicles in Wabasso <br /> ('/4 mile south of SR 570 and ''/2 mile <br /> west of U . S . Highway ) <br /> Source : National Climatic Data Center, 2004 . <br /> The NCDC has recorded tornado events in unincorporated Indian River County , <br /> the City of Vero Beach , the City of Sebastian , Town of Fellsmere , and Waba so ( located in <br /> unincorporated County) . No events have been recorded in the Town of Indian River Shores <br /> or Orchid . <br /> `r <br /> 4-30 <br />