Preliminary Storm Survey Results for the April 20th, 2004 Clinton County Tornadoes

If you have pictures or video that you would be willing to share of the tornado that
touched down in Clinton County, please contact Donna Dubberke at donna.dubberke@noaa.gov.

Public Information Statement

Local Storm Report

Pictures of the event.

 

Public Information Statement

NATIONAL WEATHER SERVICE QUAD CITIES IA IL
340 PM CDT WED APR 21 2004

...APRIL 20TH CLINTON COUNTY TORNADO OVERVIEW...

ON TUESDAY APRIL 20TH BETWEEN 708 PM AND 715 PM, A TORNADO
TOUCHED DOWN IN CENTRAL CLINTON COUNTY ABOUT 4.5 MILES SOUTHWEST
OF DELMAR...OR 5 MILES NORTHWEST OF WELTON. THE TORNADO WAS
ON THE GROUND ABOUT 1.5 MILES AND WAS ABOUT 100 YARDS WIDE, DAMAGING
A BARN AND METAL OUTBUILDING ON A FARM. A GROUND SURVEY OF
THE DAMAGE ESTIMATED THE WIND AT 75 MPH...WHICH WOULD CATEGORIZE
THE TORNADO AS A LOW-END F1 ON THE FUJITA TORNADO DAMAGE SCALE.

Local Storm Report

PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
348 PM CDT WED APR 21 2004

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..

0715 PM TORNADO 2 S DELMAR 41.97N 90.61W
04/20/2004 CLINTON IA LAW ENFORCEMENT

BUILDINGS DOWN AT 150TH STREET AND HIGHWAY 61.


0708 PM TORNADO 4 N WELTON 41.97N 90.60W
04/20/2004 CLINTON IA LAW ENFORCEMENT


0558 PM HAIL IOWA CITY 41.66N 91.54W
04/20/2004 0.50 INCH JOHNSON IA TRAINED SPOTTER


0547 PM TORNADO GRANVILLE 41.26N 89.23W
04/20/2004 PUTNAM IL TRAINED SPOTTER

ROOF BLOWN OFF BANK AND TREES DOWN

Pictures

Boards from storm

Debris 4.5 miles southwest of Delmar.

Damaged Barn
Debris in Tree
 
 
 
 
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