A storm system lifted into northern Iowa during the day on April 12, 2014 and dragged cold front across eastern Iowa. This lead to the development of a line of thunderstorms that moved across eastern Iowa with hail up to the size of nickels and damaging winds mainly along and to the north of Interstate 80. Rainfall amounts ranged from 1 to 2 inches during the event.

Hail in BUCHANAN, IOWA
From 12-APR-14 20:07:00 to 12-APR-14 20:07:00 (CST-6)
Location: FAIRBANK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of nickel sized hail reported in Fairbank by the son of a COOP Observer.

Hail in BUCHANAN, IOWA
From 12-APR-14 21:31:00 to 12-APR-14 21:31:00 (CST-6)
Location: JESUP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BUCHANAN, IOWA
From 12-APR-14 21:40:00 to 12-APR-14 21:40:00 (CST-6)
Location: INDEPENDENCE ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported pea to dime sized hail.

Hail in BUCHANAN, IOWA
From 12-APR-14 21:48:00 to 12-APR-14 21:48:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter sized hail.

Hail in BENTON, IOWA
From 12-APR-14 22:43:00 to 12-APR-14 22:43:00 (CST-6)
Location: BELLE PLAINE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported dime sized hail.

Hail in WASHINGTON, IOWA
From 12-APR-14 23:15:00 to 12-APR-14 23:15:00 (CST-6)
Location: WELLMAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in JOHNSON, IOWA
From 12-APR-14 23:20:00 to 12-APR-14 23:20:00 (CST-6)
Location: WILLIAMSTOWN
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that a large pine tree was sheared off.

Thunderstorm Wind in CLINTON, IOWA
From 13-APR-14 01:00:00 to 13-APR-14 01:00:00 (CST-6)
Location: CLINTON MUNI ARPT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained a potter reported two wood 8X8 foot fence panels and one post were blown over. Time of the event was estimated by radar.

Thunderstorm Wind in KEOKUK, IOWA
From 12-APR-14 22:30:00 to 12-APR-14 22:30:00 (CST-6)
Location: SOUTH ENGLISH
Magnitude: 78.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The fire department reported that power poles were snapped and a hog building lost its roof near North English. This report was delayed and the time was estimated to have occurred between 11 and 1130 PM.

Thunderstorm Wind in JOHNSON, IOWA
From 12-APR-14 23:30:00 to 12-APR-14 23:30:00 (CST-6)
Location: IOWA CITY
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported down tree limbs measuring approximately 18 inches in diameter as a result of high winds along the front edge of a storm moving through Iowa City on Marcy Street. This report was delayed and the time of the event was estimated.

Thunderstorm Wind in JACKSON, IOWA
From 13-APR-14 04:30:00 to 13-APR-14 04:30:00 (CST-6)
Location: GARRY OWEN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A localized downburst from a collapsing storm cell caused damage to farm outbuildings about 3 miles south of Bernard. Time is estimated based on radar and dispatcher logs.

Thunderstorm Wind in JOHNSON, IOWA
From 12-APR-14 23:20:00 to 12-APR-14 23:20:00 (CST-6)
Location: WILLIAMSTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusts between 50 and 60 mph southwest of Frytown.

Thunderstorm Wind in CEDAR, IOWA
From 13-APR-14 00:00:00 to 13-APR-14 00:00:00 (CST-6)
Location: LIME CITY
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The gust was measured by a Iowa Department of Transportation RWIS station.

Thunderstorm Wind in SCOTT, IOWA
From 13-APR-14 00:24:00 to 13-APR-14 00:24:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in JOHNSON, IOWA
From 12-APR-14 23:35:00 to 12-APR-14 23:35:00 (CST-6)
Location: RIVER JCT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Grain bins were destroyed on a farm.  The time of the event was estimated from radar.