928
NOUS43 KLSX 180412
PNSLSX
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-181800-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1105 PM CDT FRI JULY 17 2009
...PRELIMINARY REPORT ON STORM DAMAGE OVER EASTERN MARION COUNTY
ILLINOIS..JULY 16 2009 STORM...
NATIONAL WEATHER SERVICE PERSONNEL CONDUCTED AN ASSESSMENT OF DAMAGE
OVER AREAS OF CENTRAL AND EASTERN MARION COUNTY ILLINOIS. THE OVER
PARTS OF EASTERN MARION COUNTY ILLINOIS WAS CAUSED BY SWATH OF
INTENSE DOWNBURST WINDS AND HAIL DAMAGE OVER OTHER PARTS OF EASTERN
MARION COUNTY.
TWO DOWNBURST WIND SWATHS WERE IDENTIFIED. THE FIRST SWATH EXTENDED
ALONG U.S. 50 FROM 3 MILES WEST NORTHWEST OF IUKA TO 1.5 MILES
NORTHEAST OF IUKA. SEVERAL TREES AND LARGE LIMBS WERE DOWN ALONG
U.S. 50. ONE SIDE OF A MACHINE SHED WAS ALSO DAMAGED BY THE HIGH
WINDS. THE WIDTH OF THIS DAMAGE SWATH WAS APPROXIMATLEY 100 YARDS
WIDE. ESTIMATED WIND SPEEDS RANGED FROM 60 TO 70 MPH.
A SECOND SWATH OF DOWNBURST WINDS EXTENDED FROM 1.5 WEST OF IUKA
THROUGH THE COMMUNITY OF IUKA TO 1.0 MILE SOUTHEAST OF IUKA. A LARGE
CORN FIELD JUST WEST OF TOWN WAS NEARLY FLATTENED BY THE HIGH WINDS.
ONE HOUSE TRAILER WAS DESTROYED BY A LARGE FALLEN TREE. THERE WERE
MANY AREAS WHERE EITHER LARGE TREES (3 TO 4 FEET IN DIAMETER NEAR
THE BASE OF THE TREE) OR LARGE LIMBS WERE UPROOTED OR DOWNED BY THE
HIGH WINDS. SOME HOMES DID SUSTAIN VARYING DEGREES OF TREE DAMAGE
WHERE PARTS OF ROOFS (SHINGLES) WERE DAMAGED. THE WIDTH OF THE
DAMAGE SWATH WAS 0.75 MILE WIDE. ESTIMATED WIND DAMAGE VARIED FROM
70 TO 80 MPH. SEVERAL WITNESSES REPORTED THAT THE DAMAGING WINDS
LASTED FOR APPROXIMATELY 10 MINUTES. THE WIND DAMAGE OCCURRED AT
APPROXIMATELY 1030 TO 1040 PM CDT.
SOME FIELDS OF CORN AND SOYBEANS OVER THE FAR EAST CENTRAL PART OF
MARION COUNTY WERE DAMAGED DUE TO LARGE HAIL. SEVERAL WITNESSES
REPORTED HAIL SIZE RANGED FROM NICKLE TO QUARTER SIZE AND COVERED
THE ENTIRE GROUND IN SOME AREAS. MUCH OF THE HAIL FELL ALONG SEED
HOUSE ROAD TO WAGONNER TO HAHN ROADS OVER FAR EASTERN END OF THE
COUNTY.
PRZYBYLINSKI
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