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.

Thunderstorm Wind in MCDONOUGH, ILLINOIS
From 11-NOV-15 18:15:00 to 11-NOV-15 18:15:00 (CST-6)
Location: MACOMB MUNI ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in MCDONOUGH, ILLINOIS
From 11-NOV-15 18:28:00 to 11-NOV-15 18:28:00 (CST-6)
Location: SCIOTA
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a one mile long path of power poles were down and multiple trees down near Blandinsville.

Thunderstorm Wind in WARREN, ILLINOIS
From 11-NOV-15 18:10:00 to 11-NOV-15 18:10:00 (CST-6)
Location: ROSEVILLE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Local Fire Department reported in Ellison and Roseville Townships, power poles were snapped.  Two porches were blown off two homes.  Multiple grain bins were damaged.   Multiple trees were down.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 11-NOV-15 19:00:00 to 11-NOV-15 19:00:00 (CST-6)
Location: STOCKTON
Magnitude: 52.00 MG
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in MCDONOUGH, ILLINOIS
From 11-NOV-15 18:11:00 to 11-NOV-15 18:11:00 (CST-6)
Location: INDUSTRY
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large tree around 4 feet in diameter was blown down on a  house.

Thunderstorm Wind in HENRY, ILLINOIS
From 11-NOV-15 18:42:00 to 11-NOV-15 18:42:00 (CST-6)
Location: ATKINSON
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Public

A public report of a large tree blown over and a large door blown off a a steel building.

Thunderstorm Wind in HANCOCK, ILLINOIS
From 11-NOV-15 18:00:00 to 11-NOV-15 18:00:00 (CST-6)
Location: LA HARPE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The local fire department reported numerous cases of structural damage on the east end of town.  A roof was blown off a shed, a wall was blown out of a dealership, and a home shifted a few inches off its foundation.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 11-NOV-15 18:35:00 to 11-NOV-15 18:35:00 (CST-6)
Location: MENOMINEE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported a barn was thrown onto the nearby road and multiple homes were damaged.  One home had its roof blown off and rescues were performed.  Multiple reports of structural damage to buildings in the area.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 11-NOV-15 19:10:00 to 11-NOV-15 19:10:00 (CST-6)
Location: WARREN
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reports of lots of trees and power lines down in the Warren area.

Thunderstorm Wind in HANCOCK, ILLINOIS
From 11-NOV-15 17:40:00 to 11-NOV-15 17:40:00 (CST-6)
Location: LA HARPE
Magnitude: 60.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported several tree branches over 3 inches in diameter were down.  Time was estimated from radar.

Thunderstorm Wind in WARREN, ILLINOIS
From 11-NOV-15 18:30:00 to 11-NOV-15 18:30:00 (CST-6)
Location: ROSEVILLE
Magnitude: 84.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind speed was measured from their anemometer located at the fertilizer plant west of town.

Thunderstorm Wind in WARREN, ILLINOIS
From 11-NOV-15 18:30:00 to 11-NOV-15 18:30:00 (CST-6)
Location: ROSEVILLE
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Damage begins near the fertilizer plant and goes in a northeast direction where  multiple large water tanks that were mainly empty were blown over.   A machine shed and some grain bins were down with damage to a substation north of town on business 67, on 90th avenue B.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 11-NOV-15 19:05:00 to 11-NOV-15 19:05:00 (CST-6)
Location: STERLING
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

The Sterling Police Department reported a few power lines down along with a few tree branches around 4 inches in diameter. The time is based on radar.

Tornado in HENRY, ILLINOIS
From 11-NOV-15 18:39:00 to 11-NOV-15 18:45:00 (CST-6)
Location: SHADY BEACH
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team reported an EF-1 tornado with a path length of 4.23 miles and a maximum path width of 50 yards.  The estimated maximum peak winds are 110 mph.  Several damaged trees along the path.  One large machine shed destroyed and a house partially un-roofed when it porch was torn off.

Tornado in ROCK ISLAND, ILLINOIS
From 11-NOV-15 18:37:00 to 11-NOV-15 18:38:00 (CST-6)
Location: OSBORN
Tornado F-scale: EF0
Crop damage: 0.00K
Reported by: NWS Storm Survey

The NWS storm survey team reported an EF-0 tornado briefly developed just NNE OF OSBORN IL. The tornado path was was 0.1 miles long and 100 yards wide.  The time of the event was estimated from radar.   There were 4 houses with minor damage with outbuildings damaged.   A corn crib was moved 40 yards and destroyed.  A privacy fence and some trees were down.