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From: WeatherMatrix Admin (admin{at}weathermatrix.net)
Date: Wed Apr 30 2003 - 19:58:14 EDT
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
505 PM CDT WED APR 30 2003
...WISE COUNTY DAMAGE SURVEY FOLLOWING THE APRIL 29 SEVERE STORMS...
ON APRIL 30...STAFF FROM THE NATIONAL WEATHER SERVICE IN FORT WORTH
SURVEYED THE DAMAGE IN SOUTHEASTERN WISE COUNTY FROM THE STORMS
WHICH OCCURRED ON TUESDAY NIGHT. EVIDENCE SUGGESTS THAT THE DAMAGE
WAS CAUSED BY A DOWNBURST.
THE DAMAGE OCCURRED NORTH OF RHOME...ALONG COUNTY ROAD 4421 AND WEST
OF FARM ROAD 2264. MOST OF THE DAMAGE WAS TO ROOF SHINGLES...
SIDING...AND TREE LIMBS. ALONG FARM ROAD 2264...A FEW TREES HAD
LARGE BRANCHES BROKEN AND AN ALUMINUM STORAGE BUILDING WAS MOVED
APPROXIMATELY 200 YARDS. WEST OF 2264 AND NORTH OF 4421...A TREE WAS
UPROOTED AND AN ELEVATED SILO WAS MOVED BETWEEN 100 AND 200 YARDS.
A DOWNBURST IS A STRONG DOWNDRAFT...OR DOWNWARD-MOVING AIR
CURRENT...WHICH STRIKES THE GROUND AND SPREADS OUT. THIS SPREADING
OF AIR ALONG THE GROUND PRODUCES THE STRONG AND DAMAGING WINDS
ASSOCIATED WITH THE DOWNBURST. BASED ON THE TREE DAMAGE AND MOVEMENT
OF THE SILO AND STORAGE BUILDING...MAXIMUM WINDS IN ISOLATED AREAS
WERE IN THE 70 MPH RANGE.
FOR MORE INFORMATION ON NORTH TEXAS WEATHER...VISIT THE NWS FORT
WORTH/DALLAS WEB SITE AT /LOWER CASE/ HTTP//WWW.SRH.NOAA.GOV/FWD.
WOODALL/DIXON
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