Widespread thunderstorms developed during the afternoon and evening of April 2nd moving eastward through the area through the early morning hours of April 3rd.  The severe thunderstorms produced hail up to one inch in diameter (Anamosa and Hopkinton) and damaging winds estimated up to 70 mph.  Some localized areas experienced more than one storm, resulting in flash flooding.

Hail in BENTON, IOWA
From 02-APR-07 20:47:00 to 02-APR-07 20:47:00 (CST-6)
Location: KEYSTONE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BENTON, IOWA
From 02-APR-07 21:00:00 to 02-APR-07 21:00:00 (CST-6)
Location: VAN HORNE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BENTON, IOWA
From 02-APR-07 21:08:00 to 02-APR-07 21:08:00 (CST-6)
Location: VAN HORNE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 02-APR-07 21:19:00 to 02-APR-07 21:19:00 (CST-6)
Location: MARION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 02-APR-07 21:20:00 to 02-APR-07 21:20:00 (CST-6)
Location: TODDVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in LINN, IOWA
From 02-APR-07 21:30:00 to 02-APR-07 21:30:00 (CST-6)
Location: LAFAYETTE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in JONES, IOWA
From 02-APR-07 21:42:00 to 02-APR-07 21:42:00 (CST-6)
Location: ANAMOSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in JACKSON, IOWA
From 02-APR-07 21:57:00 to 02-APR-07 21:57:00 (CST-6)
Location: ANDREW
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DELAWARE, IOWA
From 02-APR-07 22:05:00 to 02-APR-07 22:05:00 (CST-6)
Location: RYAN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in JACKSON, IOWA
From 02-APR-07 22:40:00 to 02-APR-07 22:40:00 (CST-6)
Location: MAQUOKETA
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A farm sustained damage to a machine shed and the residence as the storm moved through the area.  Several tree limbs were blown down, one of which broke a bedroom window of the residence.  The home owner was cut by the flying glass.  Elsewhere in the vicinity, several tree limbs were downed and shingles were blown off some roofs.

Flash Flood in LINN, IOWA
From 02-APR-07 22:28:00 to 02-APR-07 22:28:00 (CST-6)
Location: COGGON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Fields flooded near Coggon.

Hail in DUBUQUE, IOWA
From 02-APR-07 22:29:00 to 02-APR-07 22:29:00 (CST-6)
Location: CASCADE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DELAWARE, IOWA
From 02-APR-07 22:35:00 to 02-APR-07 22:35:00 (CST-6)
Location: HOPKINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DUBUQUE, IOWA
From 02-APR-07 22:44:00 to 02-APR-07 22:44:00 (CST-6)
Location: DYERSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Time estimated.

Thunderstorm Wind in JACKSON, IOWA
From 02-APR-07 22:48:00 to 02-APR-07 22:48:00 (CST-6)
Location: MAQUOKETA CAVES SP
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were blown down.  Additional damage was reported across the county.

Hail in DUBUQUE, IOWA
From 02-APR-07 22:53:00 to 02-APR-07 22:53:00 (CST-6)
Location: CASCADE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Time estimated.

Hail in DUBUQUE, IOWA
From 02-APR-07 23:09:00 to 02-APR-07 23:09:00 (CST-6)
Location: BERNARD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DUBUQUE, IOWA
From 02-APR-07 23:14:00 to 02-APR-07 23:14:00 (CST-6)
Location: DYERSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash Flood in BUCHANAN, IOWA
From 03-APR-07 00:00:00 to 03-APR-07 00:00:00 (CST-6)
Location: JESUP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four inches of water was covering streets within the city.

Thunderstorm Wind in JONES, IOWA
From 02-APR-07 22:15:00 to 02-APR-07 22:15:00 (CST-6)
Location: WYOMING
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Extensive tree damage occurred along the Highway 64 corridor from Wyoming to Monmouth.  In Wyoming, a large willow tree was uprooted and a cedar tree snapped about 10 ft above the ground along with other widespread branch and tree damage.

Thunderstorm Wind in LINN, IOWA
From 02-APR-07 22:05:00 to 02-APR-07 22:05:00 (CST-6)
Location: PRAIRIEBURG
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Time estimated.  A machine shed, barn with cattle, and large milk house were all destroyed.  In addition, a camper was overturned and some windows were blown out at a residence.

Thunderstorm Wind in JACKSON, IOWA
From 02-APR-07 22:40:00 to 02-APR-07 22:40:00 (CST-6)
Location: BALDWIN
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A garage door was blown in.

Thunderstorm Wind in JACKSON, IOWA
From 02-APR-07 22:25:00 to 02-APR-07 22:35:00 (CST-6)
Location: MONMOUTH
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Extensive tree damage occurred in Monmouth.  Trees were uprooted and numerous branches were blown down.  In addition, power lines were downed by the strong winds.