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June 15 2010
Damage Survey Results

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Storm Damage near Sunman, Indiana
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
405 PM EDT THU JUN 17 2010

...MICROBURST CONFIRMED NEAR .9 ENE SUNMAN IN RIPLEY COUNTY
INDIANA...

LOCATION...9 TENTHS MILE ENE SUNMAN IN RIPLEY COUNTY INDIANA
DATE...JUNE 15 2010 
ESTIMATED TIME...833 PM EDT 
ESTIMATED MAXIMUM WIND SPEED...70 MPH
MAXIMUM PATH WIDTH...60 YARDS PATH LENGTH...50 YARDS
BEGINNING LAT/LON...39.2437N/85.0796W
ENDING LAT/LON...39.2440N/85.0780W
 * FATALITIES...NONE
 * INJURIES...NONE

 * THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN NWS
STORM DATA.

...SUMMARY...
THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS CONFIRMED A
MICROBURST NEAR .9 ENE SUNMAN IN RIPLEY COUNTY INDIANA ON JUNE 15
2010.

THIS MICROBURST RESULTED IN A LARGE NUMBER OF TREES WITHIN A
FORESTED AREA BEING BLOWN DOWN OR SNAPPED OFF. DAMAGE IN THE
IMMEDIATE VICINITY OF THE MICROBURST INCLUDED TREES DOWNED AT TWO
HOMES AND A CAR PORT DESTROYED.

FOR REFERENCE...
A MICROBURST IS A CONVECTIVE DOWNDRAFT WITH AN AFFECTED OUTFLOW AREA
OF LESS THAN 2 1/2 MILES WIDE AND PEAK WINDS LASTING LESS THAN
5 MINUTES. MICROBURSTS MAY INDUCE DANGEROUS HORIZONTAL/VERTICAL
WIND SHEARS...WHICH CAN ADVERSELY AFFECT AIRCRAFT PERFORMANCE AND
CAUSE PROPERTY DAMAGE. STRAIGHT-LINE WINDS ARE GENERALLY ANY WIND
THAT IS NOT ASSOCIATED WITH ROTATION...USED MAINLY TO DIFFERENTIATE
THEM FROM TORNADIC WINDS.

$$

PARKER

Storm Damage near Sunman, Indiana:


Radar Imagery:

TCVG 0.1° Z -- 8:33 PM TCVG 0.1° V -- 8:33 PM

These radar images show a line of thunderstorms moving across Ripley County and into Dearborn County. A bowing structure is evident on reflectivity, with a velocity signature indicating 50-60 knots at only 1000 feet above ground level.


Storm Damage in Maysville, Kentucky and Aberdeen, Ohio
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT WED JUN 16 2010

...DAMAGE SURVEY CONDUCTED IN MASON COUNTY KENTUCKY AND BROWN COUNTY 
OHIO BY NATIONAL WEATHER SERVICE OFFICIAL ON WEDNESDAY JUNE 16 
2010...

DAMAGE IN SEVERAL PARTS OF MAYSVILLE IN MASON COUNTY KENTUCKY AND 
ABERDEEN IN BROWN COUNTY OHIO WAS SURVEYED THIS AFTERNOON BY A 
NATIONAL WEATHER SERVICE OFFICIAL FROM THE WEATHER FORECAST OFFICE 
IN WILMINGTON OHIO. THE DAMAGE WAS CAUSED BY STORMS WHICH MOVED 
THROUGH THE AREA TUESDAY EVENING...JUNE 15 2010.

DAMAGE AT SEVERAL LOCATIONS IN MAYSVILLE IN MASON COUNTY WAS 
SURVEYED. THE DAMAGE SURVEYED CONSISTED OF A LARGE LIMB ON A CAR AND 
A LARGE LIMB ON A HOUSE AT THE INTERSECTION OF COMMERCE STREET AND 
FOREST AVENUE. THERE WAS ALSO MAJOR DAMAGE TO THE MOOSE LODGE ON 
EAST SECOND STREET WHERE THE HIGH WINDS PRODUCED A LARGE GAPING HOLE 
IN THE SIDE OF THE BUILDING. ON PELHAM STREET...A TREE WAS BLOWN 
DOWN ON A CAR AND A POWER POLE SNAPPED AND FELL ON A CAR. 
ALSO...SEVERAL LARGE LIMBS WERE BLOWN DOWN ON THE CSX RAILROAD 
TRACKS BETWEEN POPLAR STREET AND REYNOLDS DRIVE. ALSO IN THIS 
AREA...A TREE WAS DOWNED ON A HOUSE JUST NORTH OF THE RAILROAD 
TRACKS. IN ADDITION...THE WEIGHT ROOM AT THE MASON COUNTY SCHOOL 
FOOTBALL FIELD WAS DAMAGED. ALL THE DAMAGE SURVEYED IN THESE 
LOCATIONS INDICATED STRAIGHT LINE WIND DAMAGE AND THE WINDS PRODUCED 
BY THESE SEVERE THUNDERSTORMS HAVE BEEN ESTIMATED TO BE AROUND 80 
MPH. THE DAMAGE OCCURRED BETWEEN APPROXIMATELY 920 PM AND 922 PM AT 
VARIOUS LOCATIONS. 

DAMAGE WAS ALSO SURVEYED AT SEVERAL LOCATIONS IN ABERDEEN IN BROWN 
COUNTY. THE DAMAGE SURVEYED CONSISTED OF LARGE AND SMALL TREE LIMBS 
BLOWN DOWN IN AN AREA ALONG THE OHIO RIVER WHICH EXTENDED FROM FERRY 
STREET TO ONE HALF MILE WEST OF MARKET STREET. ALSO...ON MOUNTAIN 
STREET EAST OF U.S. HIGHWAY 52...SEVERAL SMALL AND LARGE TREE LIMBS 
WERE BLOWN DOWN. IN ADDITION...THE POLICE DEPARTMENT HAD SEVERAL 
WINDOWS BROKEN DURING THE STORM. ALL THE DAMAGE SURVEYED IN THESE 
LOCATIONS INDICATED STRAIGHT LINE WIND DAMAGE AND THE WINDS PRODUCED 
BY THESE SEVERE THUNDERSTORMS HAVE BEEN ESTIMATED TO BE AROUND 70 
MPH. THE DAMAGE OCCURRED AROUND 926 PM.

ALL THE INFORMATION ABOVE IS PRELIMINARY. 

$$

KH/MJP/HATZOS

Radar Imagery:

TCVG 0.1° Z -- 9:23 PM TCVG 0.1° SRM -- 9:23 PM

These radar images show a small but intense cell along the Ohio River near Maysville and Aberdeen. The SRM depicts a divergent pattern commonly associated with a downburst, with inbound winds around 40 knots and outbound winds around 20 knots. While these values are not extreme, it is noteworthy that they were sampled at 2000 feet above ground level, which likely implies that even stronger divergent winds were occurring near the surface.


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Page last modified: June 17, 2010.
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