086  
NOUS45 KCYS 241637  
PNSCYS  
WYZ101-102-250445-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE CHEYENNE, WY  
1037 AM MDT MON JUN 24 2019  
 
   
..NWS DAMAGE SURVEY FOR 06/19/19 BILL WYOMING TORNADO EVENT
 
 
A LARGE SUPERCELL FORMED AND MOVED SOUTHEASTWARD ACROSS  
NORTHEASTERN CONVERSE COUNTY ON THE EVENING OF JUNE 19, 2019.  
THERE WERE INITIAL REPORTS OF FUNNEL CLOUDS BY WYOMING STATE  
HIGHWAY PATROL IN THE MINUTES PRECEDING TOUCHDOWN SHORTLY AROUND  
7:50 PM MDT. VIDEO CONFIRMATION SHOWED A VISIBLE CONDENSATION  
FUNNEL MAKING CONTACT WITH THE SURFACE. THE TORNADO CONTINUED FOR  
AN ESTIMATED SIXTEEN MINUTES, LIFTING SHORTLY AFTER MAKING  
CONTACT WITH A MANUFACTURED HOME EAST-SOUTHEAST OF BILL,  
PRODUCING UPON SUBMITTED IMAGE REVIEW CONSISTENT EF0 DAMAGE.  
 
.REPORTS OF TORNADO DAMAGE IN THE LANCE CREEK AREA ARE STILL UNDER  
REVIEW PENDING ADDITIONAL VIDEO AND PHOTOGRAPHIC EVIDENCE.  
   
BILL TORNADO
 
 
RATING: EF0  
ESTIMATED PEAK WIND: 65-85 MPH  
PATH LENGTH /STATUTE/: 13 MILES  
PATH WIDTH /MAXIMUM/: 50 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: JUN 19 2019  
START TIME: 7:50 PM MDT  
START LOCATION: 2 MILES NORTHEAST OF BILL WY  
START LAT/LON: 43.23 / -105.24  
 
END DATE: JUN 19 2019  
END TIME: 8:06 PM MDT  
END LOCATION: 13 MILES EAST-SOUTHEAST OF BILL WY  
END_LAT/LON: 43.12 / -105.04  
 
IMAGE FORWARDED TO THE CHEYENNE, WYOMING NATIONAL WEATHER SERVICE  
OFFICE SHOWS PARTIAL ROOF REMOVAL FROM A MANUFACTURED HOME  
CONSISTENT WITH EF0 WINDS.  
 
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 EVENT AND PUBLICATION IN  
NWS STORM DATA.  
 

 
 
WM/CLH  
 
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