Storm Damage Survey for Rock Island and Northwest Henry County, Illinois

000
NOUS43 KDVN 212047
PNSDVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221700-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
346 PM CDT MON JUL 21 2008

...STORM DAMAGE SURVEY FOR ROCK ISLAND AND NORTHWEST HENRY IL
COUNTIES...

A NATIONAL WEATHER SERVICE POST STORM DAMAGE ASSESSMENT TEAM
SURVEYED THE DAMAGE THAT OCCURRED IN ROCK ISLAND AND NORTHWEST HENRY
COUNTIES IL ON THE MORNING OF JULY 21 2008. ALL DAMAGE WAS CAUSED BY
STRAIGHT LINE WINDS.

STRAIGHT LINE WIND DAMAGE...
*   LOCATION...5 MILES WEST OF THE QUAD CITY AIRPORT ON INTERSTATE
    280 TO THE QUAD CITY AIRPORT...THEN ALONG THE JOHN DEERE RD/ROUTE
    5 CORRIDOR FROM 1 MILE WEST OF THE I-74 BRIDGE EASTWARD GENERALLY
    10 MILES THROUGH COLONA AND GREEN RIVER.

*   TIME OF OCCURRENCE...BETWEEN 550 AM TO 630 AM CDT ON MONDAY JULY
    21 2008.

*   INJURIES/FATALITIES...ONE FATALITY AND FIVE INJURIES.
    A TREE FELL ONTO A TENT AT THE INDIAN TRAILS RESORT KILLING A 4
    YEAR OLD BOY...CRITICALLY INJURING A 9 MONTH OLD GIRL AND A 9
    YEAR OLD GIRL. THREE OTHER CHILDREN RECEIVED MINOR INJURIES. TIME
    ESTIMATED AROUND 615 AM.

* ESTIMATED WIND SPEEDS...EF1 90 TO 100 MPH.

* DAMAGE INFORMATION...
    JOHN DEERE CORRIDOR FROM 1 MILE WEST OF I74 BRIDGE TO 4 MILES
    EAST...SEVERAL LARGE UTILITY POWER POLES BENT OVER WITH AT LEAST
    ONE NOTED SNAPPED IN HALF WITH TRAILING POWER LINES DOWN ON
    JOHN DEERE RD. NUMEROUS ELEVATED BUSINESS SIGNS BLOWN OUT OR
    SEVERELY DAMAGED. SEVERE DAMAGE TO A BANKS AUTOMATIC TELLER
    MACHINES AND DRIVE UP OVERHANG STRUCTURE. WINDOWS BLOWN OUT OF A
    FEW BUSINESSES. EMPTY UTILITY TRAILERS ON DISPLAY BLOWN ACROSS
    THE ROAD AND ON THEIR SIDES. WIDESPREAD TREE DAMAGE WITH SEVERAL
    LARGE TREES SNAPPED OFF AT TRUNKS OR UP-ROOTED AND DOWNED IN THE
    SAME DIRECTION. MANY OF THESE DOWN ON STRUCTURES SUCH AS
    HOUSES...SMALL BUSINESSES...VEHICLES AND SOME POWER LINES. LARGE
    BRANCHES ESTIMATED FROM 5 INCHES UP TO 24 INCHES IN DIAMETER TOO
    NUMEROUS TO COUNT SNAPPED OFF AND DOWNED.

    COLONA...NUMEROUS TREES AND LARGE BRANCHES DOWN IN CENTRAL AND
    SOUTHERN PORTIONS OF THE CITY. SEVERAL TREES BLOWN DOWN ON
    HOUSES. BUSINESS SIGNS BLOWN OUT OR SEVERELY DAMAGED. LARGE TREE
    DOWN ON POWER LINES ON ROUTE 84 JUST SOUTH OF TOWN. SIDING AND
    ROOF DAMAGE TO A FEW HOUSES SOUTH OF TOWN EXPOSED ON HILLTOP.

    GREEN RIVER TOWNSHIP INCLUDING INDIAN TRAILS RESORT...SEVERAL
    TREES SNAPPED OFF AT TRUNK OR UP-ROOTED...ALONG WITH NUMEROUS
    LARGE BRANCHES DOWN THROUGH OUT THE INDIAN TRAILS RESORT
    CAMPGROUNDS. 1 LARGE TREE DOWN ON A RECREATIONAL VEHICLE IN
    THE CAMPGROUND WITH SEVERE DAMAGE TO THE VEHICLE. NUMEROUS
    TREES...BRANCHES AND A POWER LINE DOWN IN GREEN RIVER SUB
    DIVISION.

*   A 94 MPH WIND GUST WAS MEASURED AT 615 AM AT THE MOLINE/QUAD-CITY
    AIRPORT BY AN AUTOMATED SURFACE OBSERVING SYSTEM.

ENHANCED FUJITA /EF/ SCALE INFORMATION...

PLEASE NOTE THE NUMBERS BELOW ARE APPROXIMATE WIND SPEEDS FOR DAMAGE
CATEGORIES.
EF0... 65 - 85 MPH
EF1... 86 - 110 MPH
EF2... 111 - 135 MPH
EF3... 136 - 165 MPH
EF4... 166 - 200 MPH
EF5... 201 MPH OR GREATER

$$

HLADIK/DUBBERKE/MCCLURE



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