A disturbance moving northeastward from northern Missouri into eastern Iowa led to the development of a severe squall line with bowing segments that produced widespread wind damage across eastern Iowa north of a line from Jefferson to Louisa County. An EF-1 tornado touched down in the city of Muscatine with damage in the business district and one fatality.

Thunderstorm Wind in JEFFERSON, IOWA
From 24-JUN-13 13:24:00 to 24-JUN-13 13:24:00 (CST-6)
Location: FAIRFIELD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported tree tops snapped off with several branches down.

Thunderstorm Wind in VAN BUREN, IOWA
From 24-JUN-13 13:35:00 to 24-JUN-13 13:35:00 (CST-6)
Location: LAKE SUGEMA CAMP GD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated between 50 and 60 mph.

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 13:42:00 to 24-JUN-13 13:42:00 (CST-6)
Location: IOWA CITY MUNI ARPT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 13:45:00 to 24-JUN-13 13:45:00 (CST-6)
Location: OAKDALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Power was out in town. A trained spotter estimated the thunderstorm wind gusts to be between 50 and 60 mph.

Thunderstorm Wind in LOUISA, IOWA
From 24-JUN-13 14:02:00 to 24-JUN-13 14:02:00 (CST-6)
Location: WAPELLO
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 14:00:00 to 24-JUN-13 14:00:00 (CST-6)
Location: OAKDALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated thunderstorm wind gust speeds up to 60 mph.

Thunderstorm Wind in WASHINGTON, IOWA
From 24-JUN-13 14:00:00 to 24-JUN-13 14:00:00 (CST-6)
Location: WASHINGTON
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that trees were down in town, corn was blown over, and a small metal outbuilding was destroyed.

Thunderstorm Wind in MUSCATINE, IOWA
From 24-JUN-13 14:08:00 to 24-JUN-13 14:08:00 (CST-6)
Location: MUSCATINE
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a thunderstorm wind gust of 75 mph.

Thunderstorm Wind in SCOTT, IOWA
From 24-JUN-13 14:30:00 to 24-JUN-13 14:30:00 (CST-6)
Location: BUFFALO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Leaves were stripped from a tree and there were also trees down. Torrential rain was also occurring with the storm.

Thunderstorm Wind in CEDAR, IOWA
From 24-JUN-13 14:23:00 to 24-JUN-13 14:23:00 (CST-6)
Location: STANWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement estimated wind speeds of 60 mph.

Thunderstorm Wind in SCOTT, IOWA
From 24-JUN-13 14:38:00 to 24-JUN-13 14:38:00 (CST-6)
Location: DAVENPORT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Trees were also down at the National Weather Service Office at the Davenport Airport.

Thunderstorm Wind in SCOTT, IOWA
From 24-JUN-13 14:50:00 to 24-JUN-13 14:50:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in SCOTT, IOWA
From 24-JUN-13 14:40:00 to 24-JUN-13 14:40:00 (CST-6)
Location: DAVENPORT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported several tree limbs down. Time of the event was estimated using radar.

Thunderstorm Wind in LOUISA, IOWA
From 24-JUN-13 14:00:00 to 24-JUN-13 14:00:00 (CST-6)
Location: GLADWIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a thunderstorm wind gust of 60 mph. Time of this event was estimated using radar.

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 13:41:00 to 24-JUN-13 13:41:00 (CST-6)
Location: OAKDALE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees between 6 inches and a foot in diameter were reported down near the Hyvee on 5th Street. Time of the event was estimated using radar.

Tornado in MUSCATINE, IOWA
From 24-JUN-13 14:08:00 to 24-JUN-13 14:14:00 (CST-6)
Location: MUSCATINE
Tornado F-scale: EF1
Property damage: 500.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

There was a narrow damage track with trees snapped and uprooted. The most intense damage occurred in the  business district along Highway 61. There was damage to a church, car dealership, hotel, and several other business. The damage continued down New Era road where several farmsteads sustained damage. The fatality occurred at the car dealership.  There were 5 semi trailers overturned along Highway 61.

Thunderstorm Wind in MUSCATINE, IOWA
From 24-JUN-13 14:08:00 to 24-JUN-13 14:08:00 (CST-6)
Location: MUSCATINE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 17 ft tall tree was blown down on Mulberry St. There were several small trees and many tree branches down at that location.

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 14:15:00 to 24-JUN-13 14:15:00 (CST-6)
Location: AMISH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 60 foot pine tree was blown down. They estimated the winds to be around 60 mph. Additionally, over six inches of rain fell in the area since midnight.

Thunderstorm Wind in JOHNSON, IOWA
From 24-JUN-13 14:12:00 to 24-JUN-13 14:12:00 (CST-6)
Location: KENT COUNTY PARK
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Johnson County Emergency Manager reported numerous power lines and trees down throughout the county. A lightning strike caused a fire in town.

Thunderstorm Wind in SCOTT, IOWA
From 24-JUN-13 14:55:00 to 24-JUN-13 14:55:00 (CST-6)
Location: PRINCETON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that debris was being lofted by winds along Highway 67 between Folletts and Princeton.

Thunderstorm Wind in JEFFERSON, IOWA
From 24-JUN-13 13:37:00 to 24-JUN-13 13:37:00 (CST-6)
Location: FAIRFIELD MUNI ARPT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several 3 inch tree limbs from an ash tree were reported down as the storm moved through.