A frontal system over the area brought two rounds of showers and thunderstorms to the mid Mississippi Valley on June 18. The first was during the midday to early afternoon hours, quickly followed by the second round in the late afternoon and evening. While there were scattered reports of hail, heavy rain and damaging winds were reported across much of the area. As a result of the torrential rains, flash flooding was rather widespread.  Rainfall totals through mid evening were widely varied; ranging from a couple tenths of an inch to well over 2 inches in some locations. A few lightning strikes also caused some damage. Afternoon highs were mainly in the 80s, with a few low 90s south of highway 34.

Hail in LINN, IOWA
From 18-JUN-10 17:48:00 to 18-JUN-10 17:48:00 (CST-6)
Location: FAIRFAX
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell in Fairfax, IA at 648 pm June 18.

Flash Flood in BENTON, IOWA
From 18-JUN-10 17:50:00 to 18-JUN-10 21:00:00 (CST-6)
Location: GARRISON
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains resulted in flash flooding of several streets in Vinton, IA and Garrison, IA during the evening of June 18.  Flood waters covered Highway 218 about 3 miles south of Vinton.  In addition, Hinkle Creek near Garrison was rising rapidly.

Thunderstorm Wind in CLINTON, IOWA
From 18-JUN-10 17:56:00 to 18-JUN-10 17:56:00 (CST-6)
Location: LOST NATION
Magnitude: 70.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Newspaper

Wind gusts estimated to be 70 to 80 mph blew down some trees in Lost Nation, IA at 656 pm CDT June 18.  At least one of the trees landed on power lines.  Part of the lumber yard's tin roof was peeled off.

Thunderstorm Wind in JOHNSON, IOWA
From 18-JUN-10 11:40:00 to 18-JUN-10 11:40:00 (CST-6)
Location: IOWA CITY
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 60 to 75 mph blew down numerous trees and power lines near Van Buren, Market, Church, and Fairchild streets in Iowa City around 1240 pm CDT June 18.  At least 2 trees landed on homes.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 11:30:00 to 18-JUN-10 11:45:00 (CST-6)
Location: WEST BRANCH
Magnitude: 56.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Newspaper

Wind gusts estimated to be 65-70 mph snapped trees, downed utility lines, and disrupted power to more than 1,000 customers in West Branch, IA from about 1230 pm until 1245 pm CDT June 18. One tree fell onto 2 cars and another tree landed on a church.  Branches were down throughout town.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 11:43:00 to 18-JUN-10 11:43:00 (CST-6)
Location: ROCHESTER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to be 70 mph at Exit 265 on Interstate 80 or about 2 miles south of Rochester, IA at 1243 pm June 18.

Thunderstorm Wind in CLINTON, IOWA
From 18-JUN-10 18:15:00 to 18-JUN-10 18:15:00 (CST-6)
Location: GRAND MOUND
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew down some power lines and trees about 8 miles north of Donahue, IA around 715 pm June 18.  Two trees fell onto a house.  A nearby garage sustained damage to the roof and another garage was knocked down.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 18:21:00 to 18-JUN-10 18:21:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts measured to be 63 mph were observed by the ASOS at the Davenport Municipal Airport at 721 pm June 18.

Thunderstorm Wind in CLINTON, IOWA
From 18-JUN-10 18:22:00 to 18-JUN-10 18:22:00 (CST-6)
Location: GRAND MOUND
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 limbs and flattened some corn near Grand Mound, IA at 722 pm June 18.

Hail in DUBUQUE, IOWA
From 18-JUN-10 11:49:00 to 18-JUN-10 11:49:00 (CST-6)
Location: CASCADE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 11:49:00 to 18-JUN-10 11:49:00 (CST-6)
Location: ANAMOSA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated to be 55 to 60 mph in Anamosa, IA at 1249 pm June 18.  Some sweet corn was flattened.  In addition, the visibility was zero due to heavy rain.

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 11:50:00 to 18-JUN-10 11:50:00 (CST-6)
Location: ANAMOSA
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew down several large trees in Anamosa, IA at 1250 pm CDT June 18.  One tree fell onto a house.  Power outages were also observed.  The local paper later reported that most of the tree damage occurred north of Main Street.

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 11:50:00 to 18-JUN-10 11:50:00 (CST-6)
Location: WAPSIPINICON SP
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 large trees about 1 mile east southeast of Anamosa, IA around 1250 pm June 18.

Thunderstorm Wind in JACKSON, IOWA
From 18-JUN-10 18:22:00 to 18-JUN-10 18:22:00 (CST-6)
Location: MAQUOKETA
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 Maquoketa, IA at 722 pm CDT June 18.  Newspapers later reported that numerous trees and branches were downed across town.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 18:25:00 to 18-JUN-10 18:25:00 (CST-6)
Location: PANORAMA PARK
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 large tree limbs 1 mile west of Bettendorf, IA around 725 pm June 18.

Hail in CEDAR, IOWA
From 18-JUN-10 18:39:00 to 18-JUN-10 18:39:00 (CST-6)
Location: DURANT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell in Durant, IA at 739 pm June 18.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 12:00:00 to 18-JUN-10 12:00:00 (CST-6)
Location: MECHANICSVILLE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated to be 70 to 80 mph in Mechanicsville, IA around 1 pm June 18.  This report was relayed by KGAN.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 12:00:00 to 18-JUN-10 12:00:00 (CST-6)
Location: CLARENCE
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts estimated to be 70 mph blew down a number of trees onto cars and power lines in Clarence, IA around 1 pm June 18.  This report was relayed by KGAN.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 18:35:00 to 18-JUN-10 18:35:00 (CST-6)
Location: DAVENPORT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 to 70 mph were observed 1 block north of Vander Veer Park in Davenport, IA at 735 pm June 18.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 18:39:00 to 18-JUN-10 18:39:00 (CST-6)
Location: DURANT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 50 to 60 mph were observed in Durant, IA at 739 pm June 18.

Hail in JEFFERSON, IOWA
From 18-JUN-10 19:50:00 to 18-JUN-10 19:50:00 (CST-6)
Location: PERLEE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell about 5 miles northeast of Fairfield, IA at 850 pm June 18.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 12:20:00 to 18-JUN-10 12:20:00 (CST-6)
Location: DAVENPORT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph topped off a maple tree on the northwest side of Davenport, IA at 120 pm June 18.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 12:25:00 to 18-JUN-10 12:25:00 (CST-6)
Location: DAVENPORT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to be 50 to 60 mph 5 miles west southwest of Bettendorf, IA or in Davenport, IA at 125 pm June 18.

Hail in BENTON, IOWA
From 18-JUN-10 16:47:00 to 18-JUN-10 16:47:00 (CST-6)
Location: GARRISON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 11:37:00 to 18-JUN-10 11:37:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wind gusts estimated to be 65 mph blew down some power lines on 5th street in Cedar Rapids around 1237 pm CDT June 18. This report was relayed by KCRG.  The local paper later reported that a garage had also been destroyed by falling trees in Cedar Rapids.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 18:42:00 to 18-JUN-10 18:42:00 (CST-6)
Location: PLEASANT VLY
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew a semi over at mile marker 306 on Interstate 80 or about 1 mile west of Le Claire, IA at 742 pm CDT June 18.  In addition, a 35 foot tall tree and some highway signs along I-80 were blown over.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 19:14:00 to 18-JUN-10 19:14:00 (CST-6)
Location: WEST BRANCH
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph displaced a shed in West Branch, IA at 814 pm June 18.  The shed landed across the street from the spotter's residence.

Thunderstorm Wind in KEOKUK, IOWA
From 18-JUN-10 19:25:00 to 18-JUN-10 19:25:00 (CST-6)
Location: WHAT CHEER
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts estimated to be 70 mph blew part of a roof off of the grandstand at the fairgrounds, tore part of a roof off a brick building on Main Street, downed power lines, and damaged numerous trees and branches in What Cheer, IA at 825 pm CDT June 18.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 12:26:00 to 18-JUN-10 12:26:00 (CST-6)
Location: ELDRIDGE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Wind gusts were estimated to be 50 to 60 mph in Eldridge, IA at 126 pm CDT June 18.  A local newspaper later included a photograph of a large tree that was toppled in Eldridge.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 11:38:00 to 18-JUN-10 11:38:00 (CST-6)
Location: MECHANICSVILLE
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew the end off an enclosed shed at the intersection of Highway 30 and X40 in Mechanicsville, IA around 1238 pm June 18.

Thunderstorm Wind in JOHNSON, IOWA
From 18-JUN-10 11:40:00 to 18-JUN-10 11:40:00 (CST-6)
Location: NORTH LIBERTY
Magnitude: 52.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 60 mph blew down some trees onto houses in North Liberty, IA around 1240 pm June 18.

Thunderstorm Wind in KEOKUK, IOWA
From 18-JUN-10 18:03:00 to 18-JUN-10 18:03:00 (CST-6)
Location: KESWICK
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 55 to 65 mph blew down some 4 to 5 inch diameter tree limbs about 4 miles east of What Cheer, IA at 703 pm June 18.

Thunderstorm Wind in JACKSON, IOWA
From 18-JUN-10 12:31:00 to 18-JUN-10 12:31:00 (CST-6)
Location: FULTON
Magnitude: 56.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts estimated to be 65 mph blew a semi over at mile marker 164 on Highway 61 about 6 miles north of Maquoketa, IA at 131 pm June 18.

Thunderstorm Wind in JACKSON, IOWA
From 18-JUN-10 12:41:00 to 18-JUN-10 12:41:00 (CST-6)
Location: BELLEVUE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wind gusts were estimated to be 70 mph near Bellevue, IA at 141 pm June 18.

Flash Flood in MUSCATINE, IOWA
From 18-JUN-10 19:39:00 to 18-JUN-10 21:00:00 (CST-6)
Location: MUSCATINE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains resulted in flash flooding in Muscatine, IA during the evening of June 18.  Water was flowing across the road near the intersection of Highway 61 and Isett Avenue.

Thunderstorm Wind in CLINTON, IOWA
From 18-JUN-10 18:06:00 to 18-JUN-10 18:06:00 (CST-6)
Location: CALAMUS
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph blew some shingles off of some roofs about 2 miles south southwest of Calamus, IA at 706 pm June 18.

Thunderstorm Wind in KEOKUK, IOWA
From 18-JUN-10 18:10:00 to 18-JUN-10 18:10:00 (CST-6)
Location: TALLEYRAND
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 to 75 mph were observed 4 miles north of Richland, IA at 710 pm June 18.

Thunderstorm Wind in JOHNSON, IOWA
From 18-JUN-10 11:40:00 to 18-JUN-10 11:40:00 (CST-6)
Location: OAKDALE
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 65 mph blew a small radio tower down onto a building on 5th Street in Coralville, IA around 1240 pm CDT June 18.  In addition, a number of power lines were blown down and an estimated 50-60 treese were damaged.

Thunderstorm Wind in MUSCATINE, IOWA
From 18-JUN-10 11:40:00 to 18-JUN-10 11:40:00 (CST-6)
Location: WEST LIBERTY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Severe thunderstorm winds downed large trees in West Liberty.

Lightning in DES MOINES, IOWA
From 18-JUN-10 23:00:00 to 18-JUN-10 23:00:00 (CST-6)
Location: BURLINGTON
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a light pole near the main stage of Burlington Steamboat Days, blowing a chunk of concrete from the base of the pole and damaging sound equipment. A nearby man was injured by the lightning and another witness was treated for hyperventilation.

Thunderstorm Wind in CLINTON, IOWA
From 18-JUN-10 12:42:00 to 18-JUN-10 12:42:00 (CST-6)
Location: CALAMUS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to  be 65 mph blew down some 6 inch diameter tree limbs about 2 miles south southwest of Calamus, IA at 142 pm June 18.

Hail in LINN, IOWA
From 18-JUN-10 16:55:00 to 18-JUN-10 16:55:00 (CST-6)
Location: CENTER PT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in BUCHANAN, IOWA
From 18-JUN-10 16:00:00 to 18-JUN-10 17:00:00 (CST-6)
Location: THREE ELMS CO PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains resulted in some flash flooding across Highway 20 just south of Winthrop, IA during the late afternoon of June 18.  The water had receded by 6 pm.

Hail in JOHNSON, IOWA
From 18-JUN-10 18:15:00 to 18-JUN-10 18:15:00 (CST-6)
Location: NORTH LIBERTY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in LOUISA, IOWA
From 18-JUN-10 23:00:00 to 19-JUN-10 00:30:00 (CST-6)
Location: WAPELLO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains resulted in flash flooding in Louisa County and several road closures.

Lightning in JEFFERSON, IOWA
From 18-JUN-10 20:30:00 to 18-JUN-10 20:30:00 (CST-6)
Location: LOCKRIDGE
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

A church steeple in Lockridge was struck by lightning, setting the building on fire.  Little was rescued from the building.  The time is estimated.

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 17:44:00 to 18-JUN-10 17:44:00 (CST-6)
Location: OXFORD JCT
Magnitude: 70.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees in the cemetery in Oxford Junction sustained major damage.   Tree damage to trucks was reported in nearby Oxford Mills.  Trees were uprooted and branches down in town and throughout the surrounding rural community.

Thunderstorm Wind in BENTON, IOWA
From 18-JUN-10 10:34:00 to 18-JUN-10 10:34:00 (CST-6)
Location: KEYSTONE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 60 mph wind gust was measured about 1 mile south of Keystone, IA at 1134 am June 18.

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 17:15:00 to 18-JUN-10 17:15:00 (CST-6)
Location: HIAWATHA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph were observed about 3 miles north of Cedar Rapids, IA at 615 pm June 18.

Flash Flood in LINN, IOWA
From 18-JUN-10 17:17:00 to 18-JUN-10 20:00:00 (CST-6)
Location: PALO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains resulted in flash flooding of streets and creeks in Cedar Rapids, IA and Marion, IA during the early evening of June 18.

Hail in CLINTON, IOWA
From 18-JUN-10 18:31:00 to 18-JUN-10 18:31:00 (CST-6)
Location: GOOSE LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 12:00:00 to 18-JUN-10 12:00:00 (CST-6)
Location: OXFORD JCT
Magnitude: 70.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Severe thunderstorm winds tore half of the roof and most of the siding off a hog confinement building.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 18:00:00 to 18-JUN-10 18:00:00 (CST-6)
Location: LOWDEN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Around 7 pm CDT in Lowden, severe thunderstorm winds downed trees and power poles.

Hail in BENTON, IOWA
From 18-JUN-10 10:39:00 to 18-JUN-10 10:39:00 (CST-6)
Location: BELLE PLAINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-sized hail fell 1 mile south southwest of Belle Plaine, IA at 1139 am June 18.

Thunderstorm Wind in BENTON, IOWA
From 18-JUN-10 10:55:00 to 18-JUN-10 10:55:00 (CST-6)
Location: NORWAY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph were observed in Norway, IA at 1155 am June 18.

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 11:09:00 to 18-JUN-10 11:09:00 (CST-6)
Location: (CID)CEDAR RAPIDS AR
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 63 mph wind gust was measured by the ASOS at The Eastern Iowa Airport just south of Cedar Rapids, IA at 1209 pm June 18.

Flash Flood in SCOTT, IOWA
From 18-JUN-10 19:30:00 to 18-JUN-10 21:00:00 (CST-6)
Location: DIXON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains resulted in flash flooding of Mud Creek between Dixon and Donahue and also a local drainage creek in Buffalo.

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 17:38:00 to 18-JUN-10 17:38:00 (CST-6)
Location: WYOMING
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65-70 mph blew down trees and numerous large tree limbs in Wyoming, IA around 638 pm CDT June 18.  The local paper also reported that a power pole had been toppled by a tree during the same storm; at least one tree landed on a car; another tree fell onto a garage.

Thunderstorm Wind in CEDAR, IOWA
From 18-JUN-10 17:43:00 to 18-JUN-10 17:43:00 (CST-6)
Location: STANWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 50 to 60 mph were observed in Stanwood, IA at 643 pm June 18.

Thunderstorm Wind in JONES, IOWA
From 18-JUN-10 17:44:00 to 18-JUN-10 17:44:00 (CST-6)
Location: OLIN
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts measured to be 59 mph were observed about 1 mile north northeast of Olin, IA at 644 pm CDT June 18.  An area newspaper later reported that a tree was downed by lightning on the ball field.

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 11:14:00 to 18-JUN-10 11:14:00 (CST-6)
Location: (CID)CEDAR RAPIDS AR
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to be 65 mph 1 mile east of the Cedar Rapids Airport at 1214 pm June 18.

Thunderstorm Wind in JOHNSON, IOWA
From 18-JUN-10 11:25:00 to 18-JUN-10 11:25:00 (CST-6)
Location: NORTH LIBERTY
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew out the windows of several cars near Coralville Mall around 1225 pm June 18.  In addition, trees and signs were blow down.

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 11:30:00 to 18-JUN-10 11:30:00 (CST-6)
Location: MT VERNON
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Wind gusts estimated to be 65-70 mph uprooted trees and blew down hundreds of limbs, knocking out power throughout Mount Vernon at 1230 pm CDT June 18.

Thunderstorm Wind in JACKSON, IOWA
From 18-JUN-10 18:24:00 to 18-JUN-10 18:24:00 (CST-6)
Location: PRESTON
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were measured at 75 mph in Preston, IA at 724 pm CDT June 18.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 18:35:00 to 18-JUN-10 18:35:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph caused some roof damage near Western Avenue and W 61st Street in Davenport, IA at 735 pm June 18.

Thunderstorm Wind in SCOTT, IOWA
From 18-JUN-10 12:25:00 to 18-JUN-10 12:25:00 (CST-6)
Location: WEST LAKE PARK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Wind gusts estimated to be 60 mph blew down numerous 6 to 7 inch diameter tree limbs near West Lake Park or about 2 miles east of Blue Grass, IA around 125 pm June 18.

Thunderstorm Wind in LINN, IOWA
From 18-JUN-10 17:08:00 to 18-JUN-10 17:08:00 (CST-6)
Location: HIAWATHA
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts measured to be 70 mph were observed about 5 miles north northeast of Cedar Rapids, IA at 608 pm June 18.

Thunderstorm Wind in BENTON, IOWA
From 18-JUN-10 16:45:00 to 18-JUN-10 16:45:00 (CST-6)
Location: GARRISON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to be 55 to 60 mph 7 miles southwest of Vinton, IA at 545 pm June 18.