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WeatherMatrix
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Prohibited. Usage logged.
From: WeatherMatics (weathermatics{at}weathermatics.com)
Date: Fri May 02 2003 - 19:17:59 EDT
...National Weather Service storm survey results for April 30 2003...
Numerous supercells developed along a stationary/warm front in
southeast Iowa and west central Illinois...from about the
Louisa/Henry/des moine county borders east into Mercer County in the
early evening. Activity initiated as single cell moving from
Wapello County around 5 PM that tracked into Jefferson County and
produced large hail. Several supercells formed and tracked over the
same areas of southern Louisa into southern Mercer counties into the
evening with widespread golfball to baseball size hail reports,
funnel cloud sightings and rain wrapped tornado reports. Visibility
was poor due to considerable haze in airmass. Event continued well
after sunset with one main supercell moving from Mercer County into
southern Henry County Illinois into Bureau and Putnam counties.
Between 8 and 10 PM. Severe storms with smaller, but severe hail
continued along front in southeast Iowa through late evening.
Isolated elevated severe hail producers continued late evening from
central Iowa into eastern Iowa. Also of note was excessive rainfall
amounts in areas that had repeated supercells, resulting in
widespread rural flooding and some reports of deep/drifting hail.
Two teams from the National Weather Service conducted damage surveys
on may 1 2003. The teams confirmed 5 tornadoes from Louisa County
into Mercer County.
In Louisa County Iowa...
tornado beginning near Morning Sun.
Time: 635 PM
length: 16 miles
width: .5 mile early on...then approximately 50 yards until dissipating
southwest of New Boston
rating: F0
In Mercer County Illinois...
tornado beginning 2 miles se of Aledo tracking east.
Time: 657 PM
length: .8 miles
width: 20 yards
rating: F0
Brief tornado 1 mile south of Viola.
Time: 708 PM
length: .1 mile
width: 50 yards
rating: F1
Tornado beginning .25 miles east of Viola.
Time: 711 PM
length: .5 mile
width: 25 yards
rating: F0
Tornado beginning .5 miles east of Viola.
Time: 712 PM
length: .5 mile
width: 75 yards
rating: F1
Andrew Stutzke
WeatherMatics.com-REAL Weather 24/7!
E-mail: andrew{at}weathermatics.com
Secondary E-Mail: rstutzke{at}insightbb.com
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