Damage Survey of Tornado near Okawville, IL, 9/25/2012

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT WED SEP 26 2012
...DAMAGE SURVEY RESULTS FOR WASHINGTON COUNTY...ILLINOIS TORNADO...
* MAXIMUM EF-SCALE RATING: EF1
* FATALITIES: 0
* INJURIES: 1
* BEGIN TIME/LOCATION: 9/25/2012...523 PM CDT 1 MILE NORTH OKAWVILLE
* END TIME/LOCATION: 9/25/2012...529 PM CDT 3.5 MILES EAST NORTHEAST
OKAWVILLE
* MAXIMUM ESTIMATED WIND SPEED: 100 MPH
* PATH LENGTH: 3.5 MILES
* MAXIMUM PATH WIDTH: 100 YARDS
* DISCUSSION/DAMAGE: THE TORNADO FIRST FORMED NEAR I-64 JUST NORTH
OF OKAWVILLE WHERE IT BLEW AN EASTBOUND TRACTOR-TRAILER TO THE
SOUTHWEST INTO THE MEDIAN. THE DRIVER SUFFERED MINOR INJURIES.
THE TORNADO MOVED EAST AND DAMAGED A BARN AND OTHER OUTBUILDINGS
AT A FARM ALONG HIGHWAY 177 ABOUT ONE-HALF MILE WEST OF CORD ROAD.
ROOF PANELS WERE BLOWN OFF...SOME LARGE TREE LIMBS DOWNED AND
SEVERAL CALF HUTCHES WERE BLOWN ABOUT...SOME OF WHICH HAD CALVES
IN THEM. AT CORD ROAD AND HWY 177 TIN ROOF PANELS WERE BLOWN OFF
A BARN. ABOUT ONE-QUARTER MILE EAST OF CORD ROAD ALONG HWY 177...
POWER LINES WERE DOWN...A SMALL BARN LOST ITS ROOF AND A MASON BLOCK
BUILDING WAS BLOWN DOWN. THE TORNADO CONTINUED TO MOVE ALMOST DUE EAST
ALONG HWY 177 WHERE IT CAUSED MORE DAMAGE AT A HOME AT PHOBE ROAD.
ROOF SHINGLES WERE BLOWN OFF AND LARGE TREE BRANCHES BROKEN. ONE
BRANCH WENT THROUGH THE ROOF OF THE GARAGE AND ANOTHER DAMAGED A CAR
IN THE DRIVEWAY. ALL OF THE DAMAGE THUS FAR WAS EF0. NEAR THE
INTERSECTION OF HWY 177 AND COUNTY ROAD 4...THE TORNADO DESTROYED
A SMALL BARN. THIS DAMAGE WAS RATED EF1 WITH A MAXIMUM WIND OF 100 MPH.
THE TORNADO TURNED A BIT TO THE SOUTHEAST AT THIS POINT AND QUICKLY
DISSIPATED OVER OPEN FIELDS.
THIS PRELIMINARY INFORMATION WAS DETERMINED BY A NATIONAL WEATHER SERVICE
SURVEY TEAM AND IS SUBJECT TO CHANGE PENDING FINAL REVIEW OF THE EVENT AND
PUBLICATION IN NATIONAL WEATHER SERVICE STORM DATA.
FOR REFERENCE...THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES:
EF0...WIND SPEEDS  65 TO  85 MPH
EF1...WIND SPEEDS 86 TO 110 MPH
EF2...WIND SPEEDS 111 TO 135 MPH
EF3...WIND SPEEDS 136 TO 165 MPH
EF4...WIND SPEEDS 166 TO 200 MPH
EF5...WIND SPEEDS GREATER THAN 200 MPH
$$
JPK


Return to News Archive

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.