May 25 - Tornado Damage Survey

PUBLIC INFORMATION STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
740 PM CDT THU MAY 26 2011

...CORRECTED LOCATION AND PATH LENGTH REFERENCES...

...PRELIMINARY STORM SURVEY RESULTS FOR MAY 25TH TORNADOES IN DES
MOINES COUNTY...

TORNADO NUMBER 1...

A NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS DETERMINED
THAT A TORNADO OCCURRED WEDNESDAY MAY 25 AND PRODUCED A DAMAGE PATH
ACROSS A PORTION OF DES MOINES COUNTY IN SOUTHEAST IOWA.

A TRACK OF EF1 DAMAGE EXTENDED FROM 3.3 MILES EAST NORTHEAST OF
AUGUSTA TO 1.7 MILES EAST SOUTHEAST OF BEAVERDALE. THE PATH LENGTH
WAS 4.8 MILES LONG AND THE MAXIMUM PATH WIDTH WAS 100 YARDS WIDE.
THIS DAMAGE OCCURRED ROUGHLY BETWEEN 445 PM AND 500 PM CDT WEDNESDAY
MAY 25. THE DAMAGE INCLUDED SNAPPED TREES... BROKEN LARGE TREE
LIMBS... TWO BROKEN POWER POLES... A DESTROYED SHED... AND TWO
OVER-TURNED RAILROAD BOX CARS. AUGUSTA IS LOCATED ABOUT 11.4 MILES
WEST SOUTHWEST OF BURLINGTON.

THE EF1 DAMAGE INDICATED WIND SPEEDS WERE APPROXIMATELY 110 MPH.

TORNADO NUMBER 2...

A NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS DETERMINED
THAT A TORNADO OCCURRED WEDNESDAY MAY 25 AND PRODUCED A DAMAGE PATH
ACROSS A PORTION OF DES MOINES COUNTY IN SOUTHEAST IOWA.

A TRACK OF EF1 DAMAGE EXTENDED FROM 2.5 MILES SOUTH OF DODGEVILLE TO
1 MILE NORTH OF DODGEVILLE. THE PATH LENGTH WAS 3.6 MILES LONG AND
THE MAXIMUM PATH WIDTH WAS 50 YARDS WIDE. THIS DAMAGE OCCURRED
ROUGHLY BETWEEN 500 PM AND 515 PM CDT WEDNESDAY MAY 25. THE DAMAGE
INCLUDED SOME SNAPPED TREES AND THE DESTRUCTION OF A SMALL BARN AND
OUTBUILDING. DODGEVILLE IS LOCATED ABOUT 9.5 MILES NORTH NORTHWEST
OF BURLINGTON.

THE EF1 DAMAGE INDICATED WIND SPEEDS WERE APPROXIMATELY 105 MPH.

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

$$
 

 

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