An upper level disturbance moved across the Upper Midwest during the evening of July 19 as a frontal boundary pushed into central Iowa.  Showers and thunderstorms were the result across much of the region, some of which produced damaging wind gusts between 60 and 70 mph.

Thunderstorm Wind in DELAWARE, IOWA
From 19-JUL-08 20:00:00 to 19-JUL-08 20:00:00 (CST-6)
Location: MASONVILLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew 12 inch diameter trees down in Masonville, IA at 900 pm July 19.

Thunderstorm Wind in LINN, IOWA
From 19-JUL-08 20:12:00 to 19-JUL-08 20:12:00 (CST-6)
Location: MARION
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew a 2 foot diameter tree down across 25th Street in Marion, IA at 912 pm July 19.  Traffic was blocked in both directions.  A power outage was also observed in Hiawatha, IA.

Thunderstorm Wind in DELAWARE, IOWA
From 19-JUL-08 20:16:00 to 19-JUL-08 20:16:00 (CST-6)
Location: HOPKINTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Wind gusts estimated to be 60 to 70 mph were observed in Hopkinton, IA at 916 pm July 19.  This report was relayed by law enforcement officials.

Thunderstorm Wind in JONES, IOWA
From 19-JUL-08 20:20:00 to 19-JUL-08 20:20:00 (CST-6)
Location: WAPSIPINICON SP
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew down a large tree across East 4th Street in Anamosa, IA at 920 pm July 19.  The tree blocked the entire street.

Thunderstorm Wind in BUCHANAN, IOWA
From 19-JUL-08 19:20:00 to 19-JUL-08 19:20:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 61.00 EG
Property damage: 20.00K
Reported by: NWS Employee

Wind gusts estimated to be 70 mph damaged a storage shed, ripped the roof off a grain bin, damaged some crops, blew a 3 foot diameter tree down, and blew 5 to 6 inch diameter tree limbs down about 4 miles northeast of Independence, IA at 820 pm July 19.

Thunderstorm Wind in JONES, IOWA
From 19-JUL-08 20:20:00 to 19-JUL-08 20:20:00 (CST-6)
Location: WAPSIPINICON SP
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew down numerous 5 inch diameter tree limbs across Anamosa, IA at 920 pm July 19.

Thunderstorm Wind in BUCHANAN, IOWA
From 19-JUL-08 19:20:00 to 19-JUL-08 19:20:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 56.00 EG
Property damage: 0.00K
Reported by: NWS Employee

Wind gusts estimated to be 60 mph damaged some crops north of Independence, IA at 820 pm July 19.  The damage path was 200 yards wide and extended from approximately 2 miles north of Independence to approximately 2.5 miles northeast of Independence.

Thunderstorm Wind in BUCHANAN, IOWA
From 19-JUL-08 19:22:00 to 19-JUL-08 19:22:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Employee

Wind gusts estimated to be 70 mph destroyed a barn about 5 miles northeast of Independence, IA at 822 pm July 19.

Thunderstorm Wind in BUCHANAN, IOWA
From 19-JUL-08 19:38:00 to 19-JUL-08 19:38:00 (CST-6)
Location: THREE ELMS CO PARK
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew down some trees throughout Independence, IA, blew some grain bins over about 2 miles southeast of town, and blew some trees down across County Road W35 at 838 pm July 19.

Thunderstorm Wind in BENTON, IOWA
From 19-JUL-08 19:38:00 to 19-JUL-08 19:38:00 (CST-6)
Location: KEYSTONE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph blew down some tree branches 3 to 4 inches in diameter in Keystone, IA at 838 pm July 19.

Thunderstorm Wind in BENTON, IOWA
From 19-JUL-08 19:38:00 to 19-JUL-08 19:38:00 (CST-6)
Location: KEYSTONE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph were observed in Keystone, IA at 838 pm July 19.