August 7th, 2011 Severe Thunderstorms and Confirmed Microburst

August 7th, 2011
Severe Thunderstorms and Confirmed Microburst

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1211 PM EDT MON AUG 8 2011

...MICROBURST CONFIRMED 7.5 MILES NW OF URBANA IN CHAMPAIGN
COUNTY OHIO...

LOCATION...7.5 MILES NW OF URBANA IN CHAMPAIGN COUNTY OHIO
DATE...AUGUST 7 2011
ESTIMATED TIME...418 PM EDT
ESTIMATED MAXIMUM WIND SPEED...90 MPH
MAXIMUM PATH WIDTH...20 YARDS
PATH LENGTH...90 YARDS
BEGINNING LAT/LON...40.20N / 83.84W
ENDING LAT/LON...40.20N / 83.84W
* FATALITIES...0
* INJURIES...0

* 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 7.5 MILES NW OF URBANA IN CHAMPAIGN COUNTY OHIO ON
AUGUST 7 2011.

A NATIONAL WEATHER SERVICE STORM SURVEY CONFIRMED A MICROBURST
CAUSED DAMAGE TO A MOBILE HOME AND NEARBY HOUSE NORTHWEST OF
URBANA. THE MOBILE HOME WAS TOTALLY DESTROYED AND DEBRIS WAS BLOWN
INTO THE SIDE OF THE NEARBY HOUSE. THIS DEBRIS DAMAGED THE HOUSE...
INCLUDING THE ROOF AND GARAGE. THE BACK SIDE OF THE GARAGE WAS
BLOWN OUT. IN ADDITION... ONE OR TWO TREES WERE SNAPPED OFF AND
THREE OR FOUR WERE BLOWN DOWN.

THIS INFORMATION CAN ALSO BE FOUND ON OUR WEBSITE AT
WEATHER.GOV/ILN.

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.

$$

August 7th, 2011 Severe Thunderstorms and Confirmed Microburst

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