An upper level low moved over Iowa, sparking some showers and thunderstorms during the late afternoon and evening. Some of the storms spawned some funnel clouds and weak tornadoes. The storm complex then expanded and produced heavy rain. These heavy rains fell on completely saturated soils, and produced a round of significant flash flooding, which closed many roads.

Flash Flood in CEDAR, IOWA
From 29-MAY-19 21:24:00 to 30-MAY-19 00:24:00 (CST-6)
Location: CLARENCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash flooding closed portions of Highway 30 in Clarence.

Flash Flood in MUSCATINE, IOWA
From 29-MAY-19 00:54:00 to 29-MAY-19 03:54:00 (CST-6)
Location: FAIRPORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 22 closed due to water over the road.

Flash Flood in JOHNSON, IOWA
From 29-MAY-19 20:11:00 to 29-MAY-19 23:11:00 (CST-6)
Location: SWISHER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Flash flooding over Division Street/ 120th St in Swisher.

Flash Flood in CEDAR, IOWA
From 29-MAY-19 21:12:00 to 30-MAY-19 00:12:00 (CST-6)
Location: CLARENCE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement and spotters reported Highway 30 closed in both directions due to flash flooding.

Flash Flood in LEE, IOWA
From 29-MAY-19 21:30:00 to 29-MAY-19 23:30:00 (CST-6)
Location: WEST PT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Six inches of water flowing over streets in West Point.

Flash Flood in CLINTON, IOWA
From 29-MAY-19 22:20:00 to 30-MAY-19 00:20:00 (CST-6)
Location: DEWITT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roads closed in DeWitt due to flash flooding.

Tornado in IOWA, IOWA
From 29-MAY-19 17:23:00 to 29-MAY-19 17:24:00 (CST-6)
Location: VICTOR
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado was captured by the public on video just southeast of Victor. The tornado remained in open fields and no damage was observed.

Tornado in IOWA, IOWA
From 29-MAY-19 18:46:00 to 29-MAY-19 18:58:00 (CST-6)
Location: VICTOR
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Emergency management observed a weak tornado develop east of Guernsey, and follow an intermittent path about 3 miles to the northeast before lifting just south of Interstate 80. The tornado caused some minor tree damage.  The estimated winds were 75 MPH.

Thunderstorm Wind in CEDAR, IOWA
From 29-MAY-19 20:38:00 to 29-MAY-19 20:38:00 (CST-6)
Location: STANWOOD
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large tree limbs down in Stanwood, up to 14 inches in diameter. One landed on a home and power lines.

Thunderstorm Wind in CEDAR, IOWA
From 29-MAY-19 20:58:00 to 29-MAY-19 20:58:00 (CST-6)
Location: CLARENCE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several three inch diameter branches blown down.

Hail in IOWA, IOWA
From 29-MAY-19 18:24:00 to 29-MAY-19 18:24:00 (CST-6)
Location: WEST AMANA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flood in VAN BUREN, IOWA
From 29-MAY-19 05:34:00 to 30-MAY-19 12:00:00 (CST-6)
Location: LAKE SUGEMA CAMP GD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Due to flooding on the Fox River, Jersey Ave is closed in each direction, with 1 to 2 feet of water over the road.

Tornado in JOHNSON, IOWA
From 29-MAY-19 19:13:00 to 29-MAY-19 19:14:00 (CST-6)
Location: AMISH
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-0 tornado touched down at a farmstead and moved northeast through a farm field into a wooded area, where tree damage was observed. The tornado was on the ground for less than one minute and the path length was around a quarter mile. Times estimated by radar. Winds were estimated up to 75 MPH.

Flash Flood in IOWA, IOWA
From 29-MAY-19 19:57:00 to 29-MAY-19 22:57:00 (CST-6)
Location: HIGH AMANA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water reported over a highway.

Flash Flood in LINN, IOWA
From 29-MAY-19 20:02:00 to 29-MAY-19 22:02:00 (CST-6)
Location: ELY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Significant water running over Vista Road in Ely.