A strong area of low pressure and associated warm front tracked northeast from Missouri into northern Illinois late in the day.  Numerous severe thunderstorms developed over the region, bringing large hail, damaging winds, and several tornadoes to the area.  The warm front lifting north was a focus area for tornadic supercells.

Tornado in ROCK ISLAND, ILLINOIS
From 15-MAR-16 18:25:00 to 15-MAR-16 18:35:00 (CST-6)
Location: BARSTOW
Tornado F-scale: EF2
Property damage: 750.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-2 tornado tracked north then curved to the east through upper Rock Island county.  An estimated 40 homes were damaged with the most severe damage to a neighborhood in rural East Moline where 10 homes were completely destroyed.  Ten people reported minor injuries.  The maximum wind with this tornado were estimated at  130 mph.

Hail in WARREN, ILLINOIS
From 15-MAR-16 17:40:00 to 15-MAR-16 17:40:00 (CST-6)
Location: GREENBUSH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROCK ISLAND, ILLINOIS
From 15-MAR-16 18:32:00 to 15-MAR-16 18:32:00 (CST-6)
Location: MOLINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCDONOUGH, ILLINOIS
From 15-MAR-16 17:29:00 to 15-MAR-16 17:29:00 (CST-6)
Location: BLANDINSVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BUREAU, ILLINOIS
From 15-MAR-16 19:50:00 to 15-MAR-16 19:50:00 (CST-6)
Location: BUREAU
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 17:14:00 to 15-MAR-16 17:17:00 (CST-6)
Location: CARTHAGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 17:10:00 to 15-MAR-16 17:10:00 (CST-6)
Location: DALLAS CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

This report was relayed from the county emergency manager.

Hail in WARREN, ILLINOIS
From 15-MAR-16 17:30:00 to 15-MAR-16 17:30:00 (CST-6)
Location: SMITHSHIRE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Report received from social media.  The size was estimated from a picture.

Hail in MERCER, ILLINOIS
From 15-MAR-16 17:38:00 to 15-MAR-16 17:38:00 (CST-6)
Location: NEW BOSTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 15-MAR-16 18:19:00 to 15-MAR-16 18:19:00 (CST-6)
Location: (MLI) QUAD CITY ARPT
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Quad City Airport measured a 59 knot wind gust.

Hail in JO DAVIESS, ILLINOIS
From 15-MAR-16 18:43:00 to 15-MAR-16 18:53:00 (CST-6)
Location: SCALES MOUND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dime size hail fell for 10 minutes.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 15-MAR-16 18:11:00 to 15-MAR-16 18:11:00 (CST-6)
Location: BLACKHAWK STATE PARK
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Straight line wind damage track extended from State Highway 92 and Andalusia Road through Rock Island, the Arsenal Island, and then into Bettendorf.  The end time was estimated around 725 PM by radar.

Hail in JO DAVIESS, ILLINOIS
From 15-MAR-16 18:48:00 to 15-MAR-16 18:56:00 (CST-6)
Location: COUNCIL HILL STATION
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail fell for 7 to 8 minutes between 748 and 756 PM and was the size of dimes to nickels.

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 16:44:00 to 15-MAR-16 16:44:00 (CST-6)
Location: NAUVOO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail reported up to the size of dimes.

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 16:50:00 to 15-MAR-16 16:50:00 (CST-6)
Location: WARSAW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 16:53:00 to 15-MAR-16 16:53:00 (CST-6)
Location: WEBSTER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The hail size was estimated to be up to 2 inches in diameter.

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 17:00:00 to 15-MAR-16 17:00:00 (CST-6)
Location: HAMILTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This report was received via twitter.

Hail in BUREAU, ILLINOIS
From 15-MAR-16 20:22:00 to 15-MAR-16 20:22:00 (CST-6)
Location: LADD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in WHITESIDE, ILLINOIS
From 15-MAR-16 19:33:00 to 15-MAR-16 19:38:00 (CST-6)
Location: DEER GROVE
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A tornado uprooted a tree, damaged shingles and siding on two homes, and overturned a short portion of an irrigation rig.  The damage was rated EF0 with winds estimated at 80 MPH.  The path was about 50 yards wide and roughly 1.5 miles long.

Hail in HANCOCK, ILLINOIS
From 15-MAR-16 17:07:00 to 15-MAR-16 17:07:00 (CST-6)
Location: FERRIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STEPHENSON, ILLINOIS
From 15-MAR-16 20:10:00 to 15-MAR-16 20:10:00 (CST-6)
Location: OAKDALE NATURE PRSRVE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BUREAU, ILLINOIS
From 15-MAR-16 21:01:00 to 15-MAR-16 21:01:00 (CST-6)
Location: DEPUE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail was pea to dime sized.

Tornado in MCDONOUGH, ILLINOIS
From 15-MAR-16 17:26:00 to 15-MAR-16 17:42:00 (CST-6)
Location: GOOD HOPE
Tornado F-scale: EF2
Property damage: 200.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-2 tornado with winds estimated at 115 mph touched down north of Good Hope Illinois in McDonough County.  It traveled northeast, crossing into Warren County west of Prairie City and eventually into Fulton County. Several homes were severely damaged with most of the damage occurring to farm outbuildings and trees.

Tornado in WARREN, ILLINOIS
From 15-MAR-16 17:42:00 to 15-MAR-16 17:56:00 (CST-6)
Location: WALNUT GROVE
Tornado F-scale: EF1
Property damage: 200.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado moved from McDonough County into Warren County west of Prairie City.  It traveled northeast across Warren County, affecting mainly farm outbuildings and trees before it moved into Fulton County.

Hail in HENRY, ILLINOIS
From 15-MAR-16 18:36:00 to 15-MAR-16 18:36:00 (CST-6)
Location: CAMBRIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JO DAVIESS, ILLINOIS
From 15-MAR-16 18:38:00 to 15-MAR-16 18:38:00 (CST-6)
Location: GALENA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail the size of a half inch in diameter up to the size of quarters was reported.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 15-MAR-16 18:21:00 to 15-MAR-16 18:21:00 (CST-6)
Location: (MLI) QUAD CITY ARPT
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Report was measured from the ASOS at Quad City Airport.