A line of showers and thunderstorms tracked east across Iowa Tuesday afternoon and evening bringing damaging wind, occasional lightning, and heavy rain to eastern IA and northwest IL.  The strongest reported winds of 60-70 mph, occurred in Buchanan and Linn counties.  These winds brought down trees and powerlines as they moved through in the evening.
A brief tornado occurred during the evening hours just southeast of Fairbank in an open field. Another brief tornado occurred just west of Winthrop IA in an open field.  Since no visible damage was observed with either tornado, they were assigned an EF-U rating.  The NWS would like to thank Buchanan County Emergency Management for assistance with the storm survey.

Thunderstorm Wind in BENTON, IOWA
From 05-JUL-22 20:00:00 to 05-JUL-22 20:00:00 (CST-6)
Location: URBANA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Emergency Manager for Benton County relayed a report of trees down at Wildcat Bluff State Park. This was likely caused by thunderstorm outflow winds.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:14:00 to 05-JUL-22 20:14:00 (CST-6)
Location: HIAWATHA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported large tree limbs down.

Thunderstorm Wind in BUCHANAN, IOWA
From 05-JUL-22 19:35:00 to 05-JUL-22 19:45:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported trees and powerlines down across the county.The winds lasted for several minutes. .

Tornado in BUCHANAN, IOWA
From 05-JUL-22 20:00:00 to 05-JUL-22 20:01:00 (CST-6)
Location: WINTHROP
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Video from a Winthrop Fire Department Spotter captured a brief tornado just west of Winthrop. The tornado occurred in open farm land, and there was no observable damage to assign an EF-scale rating. Time estimated by radar. Assistance from Buchanan County Emergency Management is greatly appreciated.

Tornado in BUCHANAN, IOWA
From 05-JUL-22 19:44:00 to 05-JUL-22 19:46:00 (CST-6)
Location: FAIRBANK
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Emergency Management reported a brief tornado in an open field, just east of Fairbank. There was no observed damage to assign an EF-scale rating.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:07:00 to 05-JUL-22 20:07:00 (CST-6)
Location: HIAWATHA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of estimated winds with a thunderstorm gust front ased on a brief power outage.

Thunderstorm Wind in CEDAR, IOWA
From 05-JUL-22 21:00:00 to 05-JUL-22 21:00:00 (CST-6)
Location: TIPTON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported power lines down south of Tipton. The time of the event was estimated using radar.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:21:00 to 05-JUL-22 20:21:00 (CST-6)
Location: MARION
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of a 3 inch tree limb down.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:16:00 to 05-JUL-22 20:16:00 (CST-6)
Location: MARION MC BRIDE ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a thunderstorm wind gusts of 60 MPH.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:20:00 to 05-JUL-22 20:20:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 70 MPH wind gust with no damage.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:21:00 to 05-JUL-22 20:21:00 (CST-6)
Location: HIAWATHA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported power lines down. Estimated winds to be sustained at 55 MPH.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:05:00 to 05-JUL-22 20:05:00 (CST-6)
Location: HIAWATHA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported thunderstorm wind gusts began around 905 PM and lasted about 10 to 15 minutes.

Thunderstorm Wind in SCOTT, IOWA
From 05-JUL-22 21:40:00 to 05-JUL-22 21:40:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An NWS Employee reported 8 to 10 inch diameter tree limb down. Time of the event estimated using radar.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:20:00 to 05-JUL-22 20:20:00 (CST-6)
Location: ROBINS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported power outages from the thunderstorm wind gust.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:20:00 to 05-JUL-22 20:20:00 (CST-6)
Location: CENTRAL CITY ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a thunderstorm wind gust around 57 knots.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:10:00 to 05-JUL-22 20:10:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported damage to exterior building signage at KCRG TV Studios. The time of the event was estimated using radar.

Thunderstorm Wind in DELAWARE, IOWA
From 05-JUL-22 20:40:00 to 05-JUL-22 20:40:00 (CST-6)
Location: HOPKINTON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a tree down on powerlines.

Thunderstorm Wind in BUCHANAN, IOWA
From 05-JUL-22 20:04:00 to 05-JUL-22 20:04:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 52 knots wind gust.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:15:00 to 05-JUL-22 20:15:00 (CST-6)
Location: HIAWATHA
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported a tree down.

Thunderstorm Wind in LEE, IOWA
From 05-JUL-22 21:40:00 to 05-JUL-22 21:40:00 (CST-6)
Location: FT MADISON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public relayed a report via social media of a 4 to 6 inch diameter tree branch snapped off. The time of the event was estimated using radar.

Thunderstorm Wind in BUCHANAN, IOWA
From 05-JUL-22 19:55:00 to 05-JUL-22 19:55:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported 6 to 8 inch tree limbs down.

Thunderstorm Wind in HENRY, IOWA
From 05-JUL-22 21:25:00 to 05-JUL-22 21:25:00 (CST-6)
Location: SALEM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP Observer reported several tree branches down on their property. The time of the event was estimated using radar.

Thunderstorm Wind in LINN, IOWA
From 05-JUL-22 20:11:00 to 05-JUL-22 20:11:00 (CST-6)
Location: HIAWATHA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm outflow winds knocked out power.

Thunderstorm Wind in HENRY, IOWA
From 05-JUL-22 21:25:00 to 05-JUL-22 21:25:00 (CST-6)
Location: SALEM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP Observer 1 mile south of Salem reported several tree branches down on their property. The time of the event was estimated using radar.

Thunderstorm Wind in BENTON, IOWA
From 05-JUL-22 20:18:00 to 05-JUL-22 20:18:00 (CST-6)
Location: ATKINS
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported a 54 knot wind gust.

Thunderstorm Wind in CEDAR, IOWA
From 05-JUL-22 20:58:00 to 05-JUL-22 20:58:00 (CST-6)
Location: CEDAR VLY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down in the county.

Thunderstorm Wind in BUCHANAN, IOWA
From 05-JUL-22 19:51:00 to 05-JUL-22 19:51:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated thunderstorm wind gusts of 60 to 70 MPH.

Thunderstorm Wind in SCOTT, IOWA
From 05-JUL-22 21:39:00 to 05-JUL-22 21:39:00 (CST-6)
Location: DAVENPORT
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public relayed a report of a large tree down at the Genesis Medical Center. Time of th event was estimated using radar.

Thunderstorm Wind in SCOTT, IOWA
From 05-JUL-22 21:35:00 to 05-JUL-22 21:35:00 (CST-6)
Location: DAVENPORT
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported a large tree down on a vehicle on the west side of Davenport. The time of the event was estimated using radar.

Thunderstorm Wind in CEDAR, IOWA
From 05-JUL-22 21:10:00 to 05-JUL-22 21:10:00 (CST-6)
Location: LOWDEN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP Observer reported several trees down at a county club on the east side of town. The time of the event was estimated using radar.