A weak low pressure system produced scattered thunderstorms in eastern Iowa and northwestern Illinois in the late afternoon into early evening hours. These storms produced damaging winds of 60 to over 70 mph.

Thunderstorm Wind in WASHINGTON, IOWA
From 13-JUL-18 14:54:00 to 13-JUL-18 14:54:00 (CST-6)
Location: AINSWORTH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported tree limbs down on a road associated with strong winds.

Thunderstorm Wind in LOUISA, IOWA
From 13-JUL-18 15:00:00 to 13-JUL-18 15:00:00 (CST-6)
Location: GLADWIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 2 to 3 inch in diameter tree branches down with strong winds.

Thunderstorm Wind in WASHINGTON, IOWA
From 13-JUL-18 15:07:00 to 13-JUL-18 15:07:00 (CST-6)
Location: HASKINS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A county emergency manager reported a roof was blown off a machine shed.

Thunderstorm Wind in MUSCATINE, IOWA
From 13-JUL-18 15:21:00 to 13-JUL-18 15:21:00 (CST-6)
Location: WEST LIBERTY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report was received via social media of 5 to 6 inch in diameter tree limbs down.  The time was estimated by radar.

Thunderstorm Wind in SCOTT, IOWA
From 13-JUL-18 16:38:00 to 13-JUL-18 16:38:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous tree limbs down.

Thunderstorm Wind in LINN, IOWA
From 13-JUL-18 16:48:00 to 13-JUL-18 16:48:00 (CST-6)
Location: ROBINS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large 1 foot diameter tree down across the street.  Several smaller branches were also observed down as well.

Thunderstorm Wind in CLINTON, IOWA
From 13-JUL-18 17:17:00 to 13-JUL-18 17:17:00 (CST-6)
Location: CLINTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 4 to 8 inch diameter tree limbs were down.

Thunderstorm Wind in JACKSON, IOWA
From 13-JUL-18 17:30:00 to 13-JUL-18 17:30:00 (CST-6)
Location: ST DONATUS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 1 foot diameter tree was snapped and blown over.

Thunderstorm Wind in BUCHANAN, IOWA
From 13-JUL-18 15:51:00 to 13-JUL-18 15:51:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report was received of estimated wind gusts around 60 mph.

Thunderstorm Wind in SCOTT, IOWA
From 13-JUL-18 16:35:00 to 13-JUL-18 16:35:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A measured maximum wind gust of 75 mph was recorded on the NWS Quad Cities RSOIS system.

Thunderstorm Wind in SCOTT, IOWA
From 13-JUL-18 16:36:00 to 13-JUL-18 16:36:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Davenport Airport ASOS weather station recorded a maximum wind gust of 59 mph.

Thunderstorm Wind in LINN, IOWA
From 13-JUL-18 16:44:00 to 13-JUL-18 16:44:00 (CST-6)
Location: HIAWATHA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported maximum wind gusts around 60 mph.

Thunderstorm Wind in DUBUQUE, IOWA
From 13-JUL-18 17:25:00 to 13-JUL-18 17:25:00 (CST-6)
Location: DUBUQUE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported estimated wind gusts around 65 mph.  Some large tree limbs were down.

Flash Flood in DES MOINES, IOWA
From 14-JUL-18 18:17:00 to 14-JUL-18 19:17:00 (CST-6)
Location: BEAVERDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported cars were stalled out on Main Street in Burlington.

Flash Flood in DES MOINES, IOWA
From 14-JUL-18 18:15:00 to 14-JUL-18 19:15:00 (CST-6)
Location: WEST BURLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported cars were stalled out on Rosevelt Road.  Water was also observed over the westbound US 34 highway on ramp.