WEATHERMATICS FINAL LOCAL STORM REPORT ON BUCHANAN COUNTY TORNADO FROM SEPTEMBER 6th 2001
0605 PM 5 SW AURORA IA TORNADO
09/06/01 BUCHANAN
0 TORNADO STARTED 5 SW OF AURORA AND TRACKED 3.5 MILES TO 1.5 SW OF AURORA. ON THE GROUND FOR 20 MINUTES. PATH WIDTH 40 YARDS.
0630 PM 1/4 SW AURORA IA TORNADO
09/06/01 BUCHANAN
F2 TORNADO TRACKED FROM 1/4 MILE SW OF AURORA TO 3/4 NW OF AURORA. ON THE GROUND FOR 5 MINUTES. PATH WIDTH 50 YARDS. ROOF OF FRAME HOUSE RIPPED OFF AND TWO CAR
GARAGE TOTALLY DESTROYED.
JIM MEYER FROM THE NATIONAL WEATHER SERVICE QUAD CITIES AND BOB
HUMMEL OF BUCHANAN COUNTY IOWA EMERGENCY MANAGEMENT CONDUCTED A
TORNADO SURVEY OF THE EVENT THAT OCCURRED THURSDAY
EVENING...SEPTEMBER 6. THE BELOW INFORMATION IS A DETAILED REPORT
OF THE SURVEY. JIM AND THE NATIONAL WEATHER WOULD LIKE TO THANK MR
HUMMEL AND BUCHANAN COUNTY EMERGENCY MANAGEMENT FOR THE ASSISTANCE
WHILE PERFORMING THE TORNADO SURVEY.
AT 605 PM CDT...AN F0 TORNADO TOUCHED DOWN 5 MILES SOUTHWEST OF
AURORA IOWA PRODUCING DAMAGE TO THE RALPH KRAMER FARM SITE. SEVERAL
OUT BUILDINGS WERE DAMAGED OR DESTROYED. ONE EMPTY GRAIN BIN WAS
MOVED OFF OF ITS FOUNDATION. THE HOME ONLY HAD MINOR DAMAGE WITH
SOME SIDING BLOWN OFF. THE TORNADO CONTINUED MOVING NORTHEAST
PRODUCING CROP AND TREE DAMAGE AS IT CROSSED 142 STREET. AT 625 PM
THE TORNADO STRUCK THE LONNIE MCALLISTER FARM SITE AGAIN DAMAGING OR
DESTROYING FARM OUT BUILDINGS. THIS IS ALSO WHERE THE MOST
SIGNIFICANT CROP DAMAGE WAS OBSERVED. THE TORNADO THEN
LIFTED...LEAVING A TRAIL OF SOME TIN AND OTHER DEBRIS AS THE STORM
MOVED NORTHEAST. THIS TORNADO WAS ON THE GROUND FOR 3.5 MILES AND
WAS 40 YARDS WIDE AT ITS WIDEST POINT.
AT 630 PM CDT...AN F2 TORNADO TOUCHED DOWN .25 MILE SOUTHWEST OF
AURORA AND QUICKLY MOVED ACROSS AURORA PRODUCING DAMAGE TO THE ROOF
OF THE LEGION BUILDING IN AURORA. THE TORNADO THEN STRUCK THE KEN
MOSHER HOME JUST EAST OF AURORA TOTALLY TEARING OFF THE ROOF AND TWO
CAR GARAGE OF THIS NEWER FRAME DWELLING. THE TORNADO THEN LIFTED
.75 MILE NORTHEAST OF AURORA AND DID NOT TOUCH DOWN AGAIN UNTIL IT
HAD MOVED ABOUT A MILE NORTH INTO FAYETTE COUNTY. THIS TORNADO WAS
ON THE GROUND FOR 1 MILE AND WAS 50 YARDS WIDE.
THE FUJITA TORNADO INTENSITY SCALE REFERENCED ABOVE...F0 AND F2...IS
A SCALE OF WIND DAMAGE INTENSITY WHICH WINDS SPEEDS ARE INFERRED
FROM AN ANALYSIS OF WIND DAMAGE. AN F0 TORNADO CAN PRODUCE WINDS UP
TO 72 MPH. AN F2 TORNADO PRODUCES WINDS OF 113 TO 157 MPH.
BUCHANAN COUNTY EMERGENCY MANAGEMENT ESTIMATED TORNADO DAMAGE IN
BUCHANAN COUNTY TO BE AROUND 310,000 DOLLARS...NOT COUNTING CROP
DAMAGE. AGAIN...THIS FIGURE IS JUST AN ESTIMATE.
ANY PICTURES OR VIDEO OF THIS EVENT WOULD BE GREATLY APPRECIATED BY
THE NATIONAL WEATHER SERVICE...TO BE USED FOR TRAINING AND SAFETY.
PICTURES AND VIDEO CAN BE SENT TO BUCHANAN COUNTY EMERGENCY
MANAGEMENT.
MEYER
[Non-text portions of this message have been removed]
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