A strong low pressure system lifted northeast across Iowa in the late afternoon and early evening hours.  A fast moving line of thunderstorms, some severe raced northeast at 50 mph to over 60 mph.   Numerous reports of damaging winds of 60 mph or greater were reported.  There were 4 confirmed EF-1 Tornadoes with the system.  Isolated reports of hail up to three quarters of an inch in diameter were reported.

Tornado in SCOTT, IOWA
From 11-NOV-15 18:36:00 to 11-NOV-15 18:41:00 (CST-6)
Location: PLEASANT VLY
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

A Tornado developed on the Mississippi River and tracked northeast into LeClaire.  Damage observed was primarily to trees.  Several homes had roof and siding damage. The roof of one home was lifted off and flipped over onto a neighboring home. The path length of the tornado was 2.4 miles with a maximum path width of 100 yards.

Tornado in KEOKUK, IOWA
From 11-NOV-15 16:19:00 to 11-NOV-15 16:38:00 (CST-6)
Location: DELTA
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado developed near the Mahaska/Keokuk County line and tracked northeast through just northwest of What Cheer.  It then continued on an intermittent track into Iowa County.  Multiple structures were damaged or destroyed to include small barns, cattle sheds and outbuildings.  Power poles and large trees were snapped. The tornado was rated as an EF-1 with an estimated peak wind of 110 mph.  The intermittent path length was 16 miles and a maximum path width of 50 yards.  It continued northeast into Iowa County.

Hail in JOHNSON, IOWA
From 11-NOV-15 17:15:00 to 11-NOV-15 17:15:00 (CST-6)
Location: HILLS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JOHNSON, IOWA
From 11-NOV-15 17:20:00 to 11-NOV-15 17:20:00 (CST-6)
Location: IOWA CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Delayed report. Time was estimated. Hail size was pea to dime sized.

Thunderstorm Wind in JOHNSON, IOWA
From 11-NOV-15 16:55:00 to 11-NOV-15 16:55:00 (CST-6)
Location: OXFORD
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A storm spotter estimated winds up to 70 MPH occurred.

Thunderstorm Wind in JOHNSON, IOWA
From 11-NOV-15 16:55:00 to 11-NOV-15 16:55:00 (CST-6)
Location: COSGROVE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Johnson county emergency manager estimated winds up to 70 mph occurred on I-80 at the Iowa-Johnson county line.

Thunderstorm Wind in HENRY, IOWA
From 11-NOV-15 17:12:00 to 11-NOV-15 17:12:00 (CST-6)
Location: TRENTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated winds up to 65 mph occurred.

Thunderstorm Wind in HENRY, IOWA
From 11-NOV-15 17:20:00 to 11-NOV-15 17:20:00 (CST-6)
Location: WINFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a few power-lines were snapped in half.

Thunderstorm Wind in JONES, IOWA
From 11-NOV-15 17:48:00 to 11-NOV-15 17:48:00 (CST-6)
Location: OLIN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager reported a few power poles were snapped off on highway 38 south of Olin.

Thunderstorm Wind in JONES, IOWA
From 11-NOV-15 17:37:00 to 11-NOV-15 17:37:00 (CST-6)
Location: MARTELLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

County emergency manager reported a tree was blown down on a road with minor damage to a structure.

Thunderstorm Wind in JOHNSON, IOWA
From 11-NOV-15 17:15:00 to 11-NOV-15 17:15:00 (CST-6)
Location: IOWA CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated winds up to 60 mph occurred.

Thunderstorm Wind in LINN, IOWA
From 11-NOV-15 17:31:00 to 11-NOV-15 17:31:00 (CST-6)
Location: PALO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of winds up to 60 mph occurred with 1 to 2 inch diameter branches broken off.

Thunderstorm Wind in DES MOINES, IOWA
From 11-NOV-15 17:35:00 to 11-NOV-15 17:35:00 (CST-6)
Location: (BRL)BURLINGTON MUNI
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in DELAWARE, IOWA
From 11-NOV-15 17:50:00 to 11-NOV-15 17:50:00 (CST-6)
Location: RYAN
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a 40 X 60 ft pole barn was destroyed and rolled into another building.  The time was estimated by radar.

Thunderstorm Wind in VAN BUREN, IOWA
From 11-NOV-15 16:48:00 to 11-NOV-15 16:48:00 (CST-6)
Location: LAKE SUGEMA CAMP GD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter estimated winds up to 60 mph occurred.

Thunderstorm Wind in CEDAR, IOWA
From 11-NOV-15 17:25:00 to 11-NOV-15 17:25:00 (CST-6)
Location: WEST BRANCH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported a few trees and a large electric pole were blown down on the south side of town.

Thunderstorm Wind in JACKSON, IOWA
From 11-NOV-15 18:15:00 to 11-NOV-15 18:15:00 (CST-6)
Location: MAQUOKETA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Jackson County Law Center reported a cattle shed was blown down on 300th avenue.

Thunderstorm Wind in SCOTT, IOWA
From 11-NOV-15 18:01:00 to 11-NOV-15 18:01:00 (CST-6)
Location: WALCOTT
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report via Facebook of a few power poles leaning over just off the I-80 exit at Walcott.

Thunderstorm Wind in VAN BUREN, IOWA
From 11-NOV-15 16:35:00 to 11-NOV-15 16:35:00 (CST-6)
Location: LEANDO
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a tree and power line were down in the Douds area. The time was estimated by radar.

Thunderstorm Wind in CEDAR, IOWA
From 11-NOV-15 17:40:00 to 11-NOV-15 17:40:00 (CST-6)
Location: TIPTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A coop observer reported a building was destroyed with debris scattered to the other side of the road and wrapped around trees. The time was estimated from radar.

Thunderstorm Wind in JOHNSON, IOWA
From 11-NOV-15 17:20:00 to 11-NOV-15 17:20:00 (CST-6)
Location: IOWA CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a tree down in the far eastern parts of Iowa City.  Time estimated by radar.

Thunderstorm Wind in DELAWARE, IOWA
From 11-NOV-15 17:55:00 to 11-NOV-15 17:55:00 (CST-6)
Location: BUCK CREEK
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a roof was partially blown off and a machine shed was destroyed.  The time was estimated by radar.

Thunderstorm Wind in DELAWARE, IOWA
From 11-NOV-15 17:50:00 to 11-NOV-15 17:50:00 (CST-6)
Location: BACKBONE STATE PARK
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a structurally sound unused hog house was damaged.  The time was estimated by radar.

Thunderstorm Wind in IOWA, IOWA
From 11-NOV-15 16:45:00 to 11-NOV-15 16:45:00 (CST-6)
Location: MARENGO
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team reported a roof was ripped off a metal building and a grain leg from a grain bin was ripped off.

Thunderstorm Wind in JONES, IOWA
From 11-NOV-15 17:37:00 to 11-NOV-15 17:37:00 (CST-6)
Location: MARTELLE
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a tree blown down.

Thunderstorm Wind in DUBUQUE, IOWA
From 11-NOV-15 18:30:00 to 11-NOV-15 18:30:00 (CST-6)
Location: ASBURY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown over.

Thunderstorm Wind in DUBUQUE, IOWA
From 11-NOV-15 18:30:00 to 11-NOV-15 18:30:00 (CST-6)
Location: ASBURY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown over.

Thunderstorm Wind in DUBUQUE, IOWA
From 11-NOV-15 18:17:00 to 11-NOV-15 18:17:00 (CST-6)
Location: WORTHINGTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A few power poles were leaning over.

Tornado in IOWA, IOWA
From 11-NOV-15 16:38:00 to 11-NOV-15 16:41:00 (CST-6)
Location: MILLERSBURG
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

This is a continuation of the tornado from Keokuk County.  The tornado continued northeast and lifted just north northwest of North English.  The path length was 7 miles with a maximum path width of 50 yards.  Small barns and outbuildings were destroyed.

Thunderstorm Wind in LEE, IOWA
From 11-NOV-15 17:23:00 to 11-NOV-15 17:23:00 (CST-6)
Location: FT MADISON MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated winds up to 60 mph occurred.