Thunderstorms produced large hail and damaging winds in much of northwest Iowa during the late afternoon and early evening of March 23rd.

Thunderstorm Wind in PLYMOUTH, IOWA
From 23-MAR-09 17:00:00 to 23-MAR-09 17:00:00 (CST-6)
Location: AKRON
Magnitude: 70.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds damaged a horse shed and moved it off its foundation. The winds also damaged a barn and caused tree damage, including at least one tree uprooted.

Hail in WOODBURY, IOWA
From 23-MAR-09 17:08:00 to 23-MAR-09 17:08:00 (CST-6)
Location: SALIX
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WOODBURY, IOWA
From 23-MAR-09 17:12:00 to 23-MAR-09 17:12:00 (CST-6)
Location: SALIX
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was accompanied by damaging thunderstorm winds.

Thunderstorm Wind in WOODBURY, IOWA
From 23-MAR-09 17:12:00 to 23-MAR-09 17:12:00 (CST-6)
Location: SALIX
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Damaging thunderstorm wind gusts were accompanied by large hail.

Hail in SIOUX, IOWA
From 23-MAR-09 18:07:00 to 23-MAR-09 18:07:00 (CST-6)
Location: SHELDON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CHEROKEE, IOWA
From 23-MAR-09 18:55:00 to 23-MAR-09 18:55:00 (CST-6)
Location: CHEROKEE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew over a semi truck.

Thunderstorm Wind in CLAY, IOWA
From 23-MAR-09 19:51:00 to 23-MAR-09 19:51:00 (CST-6)
Location: (3SE)SPENCER MUNI AR
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused widespread tree damage.

Thunderstorm Wind in SIOUX, IOWA
From 23-MAR-09 17:30:00 to 23-MAR-09 17:30:00 (CST-6)
Location: HULL
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew off the roof of a metal building, caused roof damage to homes and businesses, and caused widespread tree damage. The winds also blew down power lines and 10 power poles over a mile and a half stretch just southwest of Hull, causing power outages affecting at least 1,600 electrical customers in and near the towns of Hull and Boyden.

Thunderstorm Wind in SIOUX, IOWA
From 23-MAR-09 17:19:00 to 23-MAR-09 17:19:00 (CST-6)
Location: HAWARDEN
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm winds destroyed a snack shack. The winds also caused roof and siding damage to several homes and businesses, with some of the damage due to tree debris becoming embedded in buildings. The winds blew out windows in several buildings, and caused widespread tree damage.

Thunderstorm Wind in CLAY, IOWA
From 23-MAR-09 19:42:00 to 23-MAR-09 19:42:00 (CST-6)
Location: (3SE)SPENCER MUNI AR
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm winds caused widespread tree damage.

Thunderstorm Wind in LYON, IOWA
From 23-MAR-09 17:25:00 to 23-MAR-09 17:25:00 (CST-6)
Location: INWOOD
Magnitude: 70.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds destroyed a hog confinement building under construction, and blew a storage shed onto a road. The winds also caused widespread tree damage.

Thunderstorm Wind in SIOUX, IOWA
From 23-MAR-09 17:00:00 to 23-MAR-09 17:00:00 (CST-6)
Location: CHATSWORTH
Magnitude: 70.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew a camper over and blew shingles off roofs. The winds also caused tree damage, including several trees blown down.

Thunderstorm Wind in BUENA VISTA, IOWA
From 23-MAR-09 20:00:00 to 23-MAR-09 20:00:00 (CST-6)
Location: STORM LAKE
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds blew a 6 by 20 foot roof section off Kings Pointe Lodge. The roof section damaged other parts of the roof after it blew off. Roof debris and insulation damaged a vehicle in the lodge parking lot.