Public Information Statement
Issued by NWS Quad Cities, IA IL

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NOUS43 KDVN 121711
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IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-002-007-009-015>018-
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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1211 PM CDT Wed Jul 12 2017

...NWS DAMAGE SURVEY FOR 07/11/2017 TORNADO EVENT...

.TORNADO Northeast of Williamsburg...

RATING:                 EF-1
ESTIMATED PEAK WIND:    105 MPH
PATH LENGTH /STATUTE/:  4.6 MILES
PATH WIDTH /MAXIMUM/:   60 YARDS
FATALITIES:             0
INJURIES:               0

START DATE:             07/11/2017
START TIME:             535 PM CDT
START LOCATION:         2.8 NE Williamsburg/Iowa County/IA
START LAT/LON:          41.6977/-91.9896

END DATE:               07/11/2017
END TIME:               554 PM CDT
END LOCATION:           1.7 SE South Amana/Iowa County/IA
END LAT/LON:            41.7554/-91.9458

An EF-1 tornado touched down northeast of Williamsburg and produced
damaged to mainly trees and crops along its 4.6 mile path. Two houses
sustained damage to windows and siding. One farm outbuilding lost part
of it`s roof, and another was partially destroyed.

EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES BASED ON THE DAMAGE THEY CAUSE.

EF0...WEAK......65 TO 85 MPH
EF1...WEAK......86 TO 110 MPH
EF2...STRONG....111 TO 135 MPH
EF3...STRONG....136 TO 165 MPH
EF4...VIOLENT...166 TO 200 MPH
EF5...VIOLENT...>200 MPH

NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN NWS
STORM DATA.

$$

AG/MM/DC


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