Thunderstorm produced large hail and damaging winds at several locations in Woodbury and Cherokee Counties in northwest Iowa during the evening of May 19th.

Thunderstorm Wind in WOODBURY, IOWA
From 19-MAY-12 20:20:00 to 19-MAY-12 20:20:00 (CST-6)
Location: CORRECTIONVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree and power line damage, knocking out local power. The winds were accompanied by quarter size hail and heavy rain.

Thunderstorm Wind in WOODBURY, IOWA
From 19-MAY-12 20:20:00 to 19-MAY-12 20:20:00 (CST-6)
Location: CORRECTIONVILLE
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew a barn onto a road.

Thunderstorm Wind in WOODBURY, IOWA
From 19-MAY-12 20:21:00 to 19-MAY-12 20:21:00 (CST-6)
Location: CORRECTIONVILLE
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused tree damage, including several trees blown down. At least two homes were damaged by falling trees.

Thunderstorm Wind in CHEROKEE, IOWA
From 19-MAY-12 20:30:00 to 19-MAY-12 20:30:00 (CST-6)
Location: WASHTA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused tree damage, including several trees blown down.

Thunderstorm Wind in CHEROKEE, IOWA
From 19-MAY-12 20:32:00 to 19-MAY-12 20:32:00 (CST-6)
Location: QUIMBY
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds destroyed a lean-to shed, blew away shingles, and caused tree damage, including the top of one tree blown down.

Heavy Rain in WOODBURY, IOWA
From 19-MAY-12 20:55:00 to 19-MAY-12 20:55:00 (CST-6)
Location: ANTHON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Heavy rainfall of 4.20 inches washed out a driveway.

Thunderstorm Wind in CHEROKEE, IOWA
From 19-MAY-12 20:55:00 to 19-MAY-12 20:55:00 (CST-6)
Location: MARCUS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused tree damage, including some trees blown down.

Hail in WOODBURY, IOWA
From 19-MAY-12 18:49:00 to 19-MAY-12 18:49:00 (CST-6)
Location: ANTHON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WOODBURY, IOWA
From 19-MAY-12 19:00:00 to 19-MAY-12 19:00:00 (CST-6)
Location: ANTHON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was accompanied by one inch of rain.

Hail in WOODBURY, IOWA
From 19-MAY-12 19:00:00 to 19-MAY-12 19:00:00 (CST-6)
Location: ANTHON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in WOODBURY, IOWA
From 19-MAY-12 20:06:00 to 19-MAY-12 20:06:00 (CST-6)
Location: ANTHON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds caused an unknown amount of tree damage.

Hail in WOODBURY, IOWA
From 19-MAY-12 20:20:00 to 19-MAY-12 20:20:00 (CST-6)
Location: CORRECTIONVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was accompanied by heavy rain and estimated 60 mph wind gusts.