Thunderstorms produced a variety of severe weather in northwest Iowa from late evening on June 22nd to after midnight on June 23rd. The events included hail, damaging winds, tornadoes, and flash flooding.

Hail in CHEROKEE, IOWA
From 22-JUN-10 21:53:00 to 22-JUN-10 21:53:00 (CST-6)
Location: MARCUS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Funnel Cloud in CHEROKEE, IOWA
From 22-JUN-10 22:02:00 to 22-JUN-10 22:02:00 (CST-6)
Location: MARCUS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in CHEROKEE, IOWA
From 22-JUN-10 22:10:00 to 22-JUN-10 22:15:00 (CST-6)
Location: MARCUS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado caused no reported damage.

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:10:00 to 22-JUN-10 22:10:00 (CST-6)
Location: AKRON
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds blew down power lines and caused tree damage, including numerous branches blown down.

Tornado in O'BRIEN, IOWA
From 22-JUN-10 22:25:00 to 22-JUN-10 22:26:00 (CST-6)
Location: PAULLINA MUNI ARPT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A brief tornado caused no reported damage. The tornado was also observed by a trained spotter.

Funnel Cloud in PLYMOUTH, IOWA
From 22-JUN-10 22:30:00 to 22-JUN-10 22:30:00 (CST-6)
Location: CRAIG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:35:00 to 22-JUN-10 22:35:00 (CST-6)
Location: RUBLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

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

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:45:00 to 22-JUN-10 22:45:00 (CST-6)
Location: SENEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused tree damage.

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:50:00 to 22-JUN-10 22:50:00 (CST-6)
Location: WEST LE MARS
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds blew down power poles and caused tree damage.

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:55:00 to 22-JUN-10 22:55:00 (CST-6)
Location: STRUBLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

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

Thunderstorm Wind in PLYMOUTH, IOWA
From 22-JUN-10 22:55:00 to 22-JUN-10 22:55:00 (CST-6)
Location: SENEY
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in CLAY, IOWA
From 22-JUN-10 23:10:00 to 22-JUN-10 23:10:00 (CST-6)
Location: GREENVILLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including numerous branches blown down. The largest branches blown down were about one foot in diameter.

Flash Flood in SIOUX, IOWA
From 22-JUN-10 23:10:00 to 23-JUN-10 04:00:00 (CST-6)
Location: HAWARDEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain caused flash flooding of several roads in the town of Hawarden.

Flash Flood in SIOUX, IOWA
From 22-JUN-10 23:30:00 to 23-JUN-10 04:00:00 (CST-6)
Location: ORANGE CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flash flooding of several roads and local creeks.

Flash Flood in SIOUX, IOWA
From 22-JUN-10 23:30:00 to 23-JUN-10 04:00:00 (CST-6)
Location: SIOUX CENTER MUNI AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rain caused flash flooding of several roads in the town of Sioux Center.

Flash Flood in PLYMOUTH, IOWA
From 22-JUN-10 23:30:00 to 23-JUN-10 04:00:00 (CST-6)
Location: AKRON
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rainfall of up to 4 1/2 inches caused widespread flooding of roads, culverts, other low areas, and basements. A few roads were partially or totally washed out. Fields were flooded and crop damage was suspected, but the amout of crop damage was not known.

Flash Flood in CLAY, IOWA
From 22-JUN-10 23:37:00 to 23-JUN-10 04:00:00 (CST-6)
Location: (3SE)SPENCER MUNI AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rain caused flash flooding of roads and several small streams in and near the town of Spencer.

Flash Flood in CLAY, IOWA
From 23-JUN-10 00:40:00 to 23-JUN-10 04:00:00 (CST-6)
Location: DICKENS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rain caused flash flooding of several roads, including Highway 18 near the eastern county line.