Cheyenne NWS: June 19 Bill Tornado Traveled For 13 Miles
The Cheyenne Office of the National Weather Service has released a preliminary report on a tornado which touched down near the small town of Bill, Wyo. on June 19th.
The agency says the tornado traveled for about 13 miles over about 16 minutes, damaging a roof on a manufactured home. Investigators say they are still looking into the possibility of damage in the Lance Creek area. There were no injuries or fatalities reported from the tornado.
The weather service has released this summary of the investigation so far:
..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.