219  
NOUS44 KHGX 202031  
PNSHGX  
TXZ238-210845-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
331 PM CDT FRI OCT 20 2017  
   
..NWS DAMAGE SURVEY FOR 10/20/17 TORNADO EVENT
 
 
EARLY THIS MORNING, MEDIA FORWARDED REPORT OF A TORNADO FROM THE PUBLIC  
VIA SOCIAL MEDIA IN DICKINSON. A SURVEY FOUND A PATTERN OF DAMAGE  
CONSISTENT WITH A BRIEF EF-0 TORNADO, TOUCHING DOWN NEAR BENSON'S BAYOU  
NEAR THE LEAGUE CITY-DICKINSON BORDER. ANOTHER, SEPARATE AREA OF  
THUNDERSTORM WIND DAMAGE WAS FOUND TO THE EAST IN THE VICINITY OF  
THE INTERSECTION OF FM-646 AND TEXAS HIGHWAY 3.  
   
BENSON'S BAYOU TORNADO
 
 
RATING: EF-0  
ESTIMATED PEAK WIND: 80 MPH  
PATH LENGTH /STATUTE/: 0.5 MILES  
PATH WIDTH /MAXIMUM/: 300 YARDS  
FATALITIES: NONE KNOWN AT THIS TIME  
INJURIES: NONE KNOWN AT THIS TIME  
 
START DATE: OCT 20 2017  
START TIME: 0458 AM CDT  
START LOCATION: 1 N DICKINSON/GALVESTON/TX  
START LAT/LON: 29.4719/-95.0674  
 
END DATE: OCT 20 2017  
END TIME: 0502 AM CDT  
END LOCATION: 2 NNW DICKINSON/GALVESTON/TX  
END LAT/LON: 29.4754/-95.0731  
 
THE STORM SURVEY FOUND BRANCHES BROKEN AND TREES DOWNED IN THE VICINITY  
OF BENSON'S BAYOU. TREES DOWNED ON THE WEST SIDE OF THE BAYOU WERE  
GENERALLY ORIENTED FROM NORTHWEST TO SOUTHEAST, AND TREES ON THE EAST SIDE  
OF THE BAYOU WERE GENERALLY ORIENTED FROM SOUTHEAST TO NORTHWEST. DAMAGE  
WAS ALSO FOUND TO MINOR OUTBUILDINGS AND PORTIONS OF FENCES WERE DAMAGED  
OR DESTROYED. NUMEROUS OUTDOOR HOUSEHOLD GOODS WERE DAMAGED, WITH SOME PIECES  
FOUND AT LEAST 0.1 MILES AWAY FROM THEIR SOURCE. SOME WINDOWS IN HOMES AND CARS  
WERE DAMAGED, PARTICULARLY THOSE FACING TO THE NORTH AND/OR SOUTH. NUMEROUS  
POWER LINES WERE DOWNED ON THE EAST SIDE OF THE BAYOU AND BEING REPAIRED  
BY WORK CREWS.  
 
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES  
INTO THE FOLLOWING CATEGORIES.  
 
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 EVENTS AND PUBLICATION IN NWS STORM  
DATA.  
 

 
 
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