A storm system pushed a cold front across eastern Iowa during the evening hours of August 10th.  Showers and thunderstorms developed ahead of this front and produced wind gusts up to 60 MPH and hail up to 1.50 inches in diameter across parts of eastern Iowa. Rainfall mounts ranged from a few hundredths of an inch to isolated reports over one inch.

Hail in CLINTON, IOWA
From 10-AUG-17 16:00:00 to 10-AUG-17 16:00:00 (CST-6)
Location: LOW MOOR
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

An off duty NWS employee relayed a public report of 1.5 inch hail. The time of the event was estimated using radar.

Hail in JONES, IOWA
From 10-AUG-17 13:25:00 to 10-AUG-17 13:25:00 (CST-6)
Location: OLIN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in WASHINGTON, IOWA
From 10-AUG-17 15:00:00 to 10-AUG-17 15:00:00 (CST-6)
Location: HASKINS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

The time of the event was estimated using radar.

Hail in CLINTON, IOWA
From 10-AUG-17 15:32:00 to 10-AUG-17 15:32:00 (CST-6)
Location: DEWITT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CLINTON, IOWA
From 10-AUG-17 15:55:00 to 10-AUG-17 15:55:00 (CST-6)
Location: CLINTON MUNI ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLINTON, IOWA
From 10-AUG-17 15:58:00 to 10-AUG-17 15:58:00 (CST-6)
Location: FOLLETTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CLINTON, IOWA
From 10-AUG-17 16:05:00 to 10-AUG-17 16:05:00 (CST-6)
Location: CLINTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in VAN BUREN, IOWA
From 10-AUG-17 16:16:00 to 10-AUG-17 16:16:00 (CST-6)
Location: KEOSAUQUA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WASHINGTON, IOWA
From 10-AUG-17 15:00:00 to 10-AUG-17 15:00:00 (CST-6)
Location: HASKINS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator reported trees down near the intersection of County Road G36 and Spruce Avenue.

Thunderstorm Wind in DES MOINES, IOWA
From 10-AUG-17 16:40:00 to 10-AUG-17 16:40:00 (CST-6)
Location: MEDIAPOLIS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported 2 large tree branches down.  The time of the event was estimated using radar.

Thunderstorm Wind in WASHINGTON, IOWA
From 10-AUG-17 14:53:00 to 10-AUG-17 14:53:00 (CST-6)
Location: HASKINS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of 60 MPH wind gust from a thunderstorm.

Thunderstorm Wind in LOUISA, IOWA
From 10-AUG-17 15:20:00 to 10-AUG-17 15:20:00 (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 40 to 60 MPH.  Several small branches were blown down and nickel hail was falling at their location.

Hail in WASHINGTON, IOWA
From 10-AUG-17 14:53:00 to 10-AUG-17 14:53:00 (CST-6)
Location: HASKINS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in JONES, IOWA
From 10-AUG-17 13:02:00 to 10-AUG-17 13:02:00 (CST-6)
Location: MONTICELLO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager reported a tree down in the center of town.  The time of the event was estimated using radar.