Thunderstorms produced damaging winds and flash flooding over much of northwest Iowa during the evening of June 26th.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:59:00 to 26-JUN-11 18:59:00 (CST-6)
Location: HORNICK
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree and power line damage, with a resulting power outage.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 19:03:00 to 26-JUN-11 19:03:00 (CST-6)
Location: (SUX)SIOUX CITY ARPT
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 19:05:00 to 26-JUN-11 19:05:00 (CST-6)
Location: SIOUX CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused tree damage.

Flash Flood in PLYMOUTH, IOWA
From 26-JUN-11 19:10:00 to 26-JUN-11 22:00:00 (CST-6)
Location: BRUNSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of Mink Creek near Brunsville, and caused flooding of roads and fields in the Brunsville and Le Mars areas. The flooding isolated two homes in Brunsville.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 19:15:00 to 26-JUN-11 19:15:00 (CST-6)
Location: BRONSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 19:30:00 to 26-JUN-11 19:30:00 (CST-6)
Location: MOVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Flash Flood in CHEROKEE, IOWA
From 26-JUN-11 19:55:00 to 26-JUN-11 22:00:00 (CST-6)
Location: CHEROKEE MUNI ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of several streets in Cherokee.

High Wind in WOODBURY, IOWA
From 26-JUN-11 19:59:00 to 26-JUN-11 19:59:00 (CST-6)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

High winds behind and not directly with thunderstorms gusted to 63 mph at Sioux City Airport.

Thunderstorm Wind in BUENA VISTA, IOWA
From 26-JUN-11 20:10:00 to 26-JUN-11 20:10:00 (CST-6)
Location: STORM LAKE
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew down trees and power lines.

Flash Flood in CHEROKEE, IOWA
From 26-JUN-11 20:15:00 to 26-JUN-11 22:00:00 (CST-6)
Location: MARCUS
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of many paved and gravel roads. The floodwaters washed out a culvert and also washed a pickup truck off a road.

Heavy Rain in O'BRIEN, IOWA
From 26-JUN-11 20:37:00 to 26-JUN-11 20:37:00 (CST-6)
Location: PAULLINA MUNI ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Rainfall of 4.5 inches fell in one hour.

Flash Flood in PLYMOUTH, IOWA
From 26-JUN-11 21:15:00 to 26-JUN-11 22:00:00 (CST-6)
Location: REMSEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of roads and yards in Remsen.

Flash Flood in BUENA VISTA, IOWA
From 26-JUN-11 21:30:00 to 26-JUN-11 23:00:00 (CST-6)
Location: LAKESIDE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of numerous roads. At least one vehicle was washed into a ditch.

High Wind in DICKINSON, IOWA
From 26-JUN-11 22:27:00 to 26-JUN-11 22:27:00 (CST-6)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A wind gust of 59 mph was measured 6 miles west of Spirit Lake. The gust was not directly associated with thunderstorms.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:30:00 to 26-JUN-11 18:30:00 (CST-6)
Location: SALIX
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:40:00 to 26-JUN-11 18:40:00 (CST-6)
Location: LAWTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:40:00 to 26-JUN-11 18:40:00 (CST-6)
Location: BRONSON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including up to 8 inch diameter branches blown down.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:46:00 to 26-JUN-11 18:46:00 (CST-6)
Location: SALIX
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

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

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:46:00 to 26-JUN-11 18:46:00 (CST-6)
Location: SLOAN
Magnitude: 65.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew shingles off several roofs, destroyed a grain bin, blew down power lines, and caused tree damage.

Thunderstorm Wind in WOODBURY, IOWA
From 26-JUN-11 18:53:00 to 26-JUN-11 18:53:00 (CST-6)
Location: SERGEANT BLUFF
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in WOODBURY, IOWA
From 26-JUN-11 19:05:00 to 26-JUN-11 21:00:00 (CST-6)
Location: LEEDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain caused flash flooding of numerous streets in Sioux City.

Thunderstorm Wind in IDA, IOWA
From 26-JUN-11 20:00:00 to 26-JUN-11 20:00:00 (CST-6)
Location: BATTLE CREEK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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