National Weather Service Weather Forecast Office

...TORNADO CONFIRMED IN WOODSTOCK ILLINOIS ON FRIDAY EVENING
JUNE 19 2009...

THE TORNADO WAS RATED EF1 ON THE ENHANCED FUJITA SCALE...WITH A
PATH LENGTH OF THREE QUARTERS OF A MILE AND A MAXIMUM WIDTH OF 75
YARDS.

NATIONAL WEATHER SERVICE METEOROLOGISTS CONDUCTED A STORM SURVEY
ON JUNE 20 2009 IN WOODSTOCK ILLINOIS TO ASSESS DAMAGE WHICH
OCCURRED FROM A COMPLEX OF THUNDERSTORMS THAT MOVED ACROSS
NORTHEAST ILLINOIS ON JUNE 19 2009.

THE BEGINNING OF THE TORNADO OCCURRED AT 710 PM CDT NEAR HIGHWAY
14 AND DAVIS ROAD IN THE SOUTHERN PART OF TOWN. AT THIS LOCATION
SEVERAL PINE TREES ON THE PROPERTY HAD LARGE BRANCHES SHEARED AND
TOPPED OFF WITH TWO OF THE TREES PARTIALLY UPROOTED. ALL DAMAGE AT
THIS LOCATION WAS BLOWN IN A CONVERGENT MANNER TO THE NORTHEAST.
AT THIS POINT DAMAGE WAS RATED EF0 WITH WINDS ESTIMATED NEAR 85
MPH AND A PATH WIDTH OF 20 YARDS.

AS THE TORNADO CONTINUED TO THE NORTHEAST IT CROSSED HIGHWAY 14
AND MOVED INTO A NEIGHBORHOOD WHERE IT INCREASED IN INTENSITY AND
PRODUCED DAMAGE TO STRUCTURES AND TREES. DAMAGE IN THIS
NEIGHBORHOOD WAS TO A GARAGE ADJACENT TO A MAIN HOUSE. THIS WELL
BUILT AND FAIRLY NEW GARAGE WAS LIFTED AND TURNED OFF OF ITS
FOUNDATION...WHICH WAS SECURELY BOLTED TO A CONCRETE FINISH.
DAMAGE AT THIS LOCATION WAS RATED EF1 WITH WINDS ESTIMATED NEAR
100 MPH AND A PATH WIDTH OF 75 YARDS.

THE TORNADO PROCEEDED TO MOVE NORTHEAST THROUGH THE NEIGHBORHOOD
WHERE IT UPROOTED FOUR OLD BUT HEALTHY SOFT AND HARD WOOD
TREES...ONCE AGAIN LAYING NORTHEAST IN A CONVERGENT MANNER. JUST
TO NORTHEAST OF THIS NEIGHBORHOOD IS A COMMERCIAL DISTRICT WHERE
THE TORNADO PRODUCED DAMAGE TO TWO BUILDINGS. DAMAGE OCCURRED TO
THE ROOF OF ONE BUILDING WITH THE OTHER BUILDING SUSTAINING DAMAGE
TO ONE OF ITS EXTERIOR WALLS. THE WALL WAS PARTIALLY COLLAPSED BUT
WAS AN OLDER STRUCTURE. EF1 DAMAGE WAS PRODUCED AT THIS POINT WITH
WINDS ESTIMATED NEAR 100 MPH AND A PATH WIDTH OF 30 YARDS.

THE TORNADO CONTINUED TO WEAKEN AS IT MOVED NORTHEAST PRODUCING
DAMAGE TO TREES NEAR AND ALONG LAKE ROAD. IT WAS HERE WHERE THE
TORNADO APPEARED TO HAVE LIFTED...WITH NO OTHER DAMAGE EVIDENT
BEYOND THIS POINT. EF0 DAMAGE WAS PRODUCED AT THIS LAST LOCATION
WITH WINDS AROUND 75 MPH AND A PATH WIDTH OF 20 YARDS.

$$

RODRIGUEZ/BOXELL

To view an interactive map of this assessment click here.