Severe thunderstorms tracked across the northern tier of counties in Illinois producing large hail and sporadic wind damage.

Hail in COOK, ILLINOIS
From 12-APR-14 10:21:00 to 12-APR-14 10:28:00 (CST-6)
Location: BARRINGTON
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple reports of one to two inch hail came in from Barrington.

Hail in LAKE, ILLINOIS
From 12-APR-14 10:30:00 to 12-APR-14 10:35:00 (CST-6)
Location: BUFFALO GROVE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 12-APR-14 10:30:00 to 12-APR-14 10:35:00 (CST-6)
Location: ARLINGTON PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One inch hail was reported near Dundee Road and Route 53.

Hail in COOK, ILLINOIS
From 12-APR-14 10:30:00 to 12-APR-14 10:35:00 (CST-6)
Location: WHEELING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE, ILLINOIS
From 12-APR-14 10:25:00 to 12-APR-14 10:30:00 (CST-6)
Location: LONG GROVE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE, ILLINOIS
From 12-APR-14 10:44:00 to 12-APR-14 10:49:00 (CST-6)
Location: DEERFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 12-APR-14 10:47:00 to 12-APR-14 10:53:00 (CST-6)
Location: NORTHBROOK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WINNEBAGO, ILLINOIS
From 12-APR-14 08:58:00 to 12-APR-14 09:14:00 (CST-6)
Location: ROCKFORD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of quarter to golf ball size hail came in across Rockford.  The hail broke the glass in an outside light fixture northwest of the I-39 and US 20 interchange.  Golf ball size hail was reported on Wyoming Street in Rockford.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:54:00 to 12-APR-14 10:05:00 (CST-6)
Location: CRYSTAL LAKE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail up to the size of golf balls fell over Crystal Lake covering the ground.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 10:05:00 to 12-APR-14 10:15:00 (CST-6)
Location: ALGONQUIN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports of one to two inch diameter hail came in from Algonquin.

Hail in COOK, ILLINOIS
From 12-APR-14 10:25:00 to 12-APR-14 10:32:00 (CST-6)
Location: PALATINE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of hail to the size of golf balls came in from the Palatine area.

Hail in WINNEBAGO, ILLINOIS
From 13-APR-14 01:30:00 to 13-APR-14 01:33:00 (CST-6)
Location: CHERRY VLY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Penny to half dollar size hail was reported in and near Cherry Valley.

Hail in WINNEBAGO, ILLINOIS
From 12-APR-14 08:44:00 to 12-APR-14 08:47:00 (CST-6)
Location: (RFD)GTR ROCKFORD AR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WINNEBAGO, ILLINOIS
From 12-APR-14 08:45:00 to 12-APR-14 08:48:00 (CST-6)
Location: CAMP GRANT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOONE, ILLINOIS
From 12-APR-14 09:08:00 to 12-APR-14 09:11:00 (CST-6)
Location: BELVIDERE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WINNEBAGO, ILLINOIS
From 12-APR-14 09:10:00 to 12-APR-14 09:10:00 (CST-6)
Location: LOVES PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 12-APR-14 09:11:00 to 12-APR-14 09:14:00 (CST-6)
Location: NEW MILFORD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down across roads just south of the city in unincorporated Rockford.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 12-APR-14 09:15:00 to 12-APR-14 09:19:00 (CST-6)
Location: CHERRY VLY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree branches were blown down near Cherry Valley.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 12-APR-14 09:25:00 to 12-APR-14 09:25:00 (CST-6)
Location: MARENGO
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

Large grain augers were ripped from the top of grain bins, shingles were peeled off roofs, irrigation systems were blown over, and barns were blown down.  A tree branch was reportedly lodged into the side of a house.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:42:00 to 12-APR-14 09:45:00 (CST-6)
Location: MARENGO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail covered the ground.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:45:00 to 12-APR-14 09:48:00 (CST-6)
Location: WOODSTOCK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dime to quarter size hail covered the ground near Queen Anne Street and Todd Avenue.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:47:00 to 12-APR-14 09:50:00 (CST-6)
Location: UNION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail up to the size of quarters covered the ground at the Illinois Railway Museum.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:54:00 to 12-APR-14 09:59:00 (CST-6)
Location: WONDER LAKE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail estimated to 1.5 inches was reported near Route 120 and Ridge Road.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 09:58:00 to 12-APR-14 10:04:00 (CST-6)
Location: HUNTLEY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports of hail up to the size of half dollars covered the ground in Huntley.

Hail in MCHENRY, ILLINOIS
From 12-APR-14 10:00:00 to 12-APR-14 10:07:00 (CST-6)
Location: LAKE IN THE HILLS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports of quarter to ping pong ball size hail came in from Lake in the Hills.

Hail in LAKE, ILLINOIS
From 12-APR-14 10:05:00 to 12-APR-14 10:08:00 (CST-6)
Location: ANTIOCH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCHENRY, ILLINOIS
From 12-APR-14 10:10:00 to 12-APR-14 10:14:00 (CST-6)
Location: JOHNSBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE, ILLINOIS
From 12-APR-14 10:12:00 to 12-APR-14 10:16:00 (CST-6)
Location: HAINESVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in MCHENRY, ILLINOIS
From 12-APR-14 10:13:00 to 12-APR-14 10:16:00 (CST-6)
Location: CARY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KANE, ILLINOIS
From 12-APR-14 10:15:00 to 12-APR-14 10:19:00 (CST-6)
Location: CARPENTERSVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCHENRY, ILLINOIS
From 12-APR-14 10:15:00 to 12-APR-14 10:19:00 (CST-6)
Location: SILVER LAKES
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE, ILLINOIS
From 12-APR-14 10:16:00 to 12-APR-14 10:20:00 (CST-6)
Location: GRAYSLK CAMPBELL ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE, ILLINOIS
From 12-APR-14 10:20:00 to 12-APR-14 10:25:00 (CST-6)
Location: LAKE ZURICH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar to golf ball size hail was reported in Lake Zurich.

Hail in BOONE, ILLINOIS
From 12-APR-14 09:15:00 to 12-APR-14 09:19:00 (CST-6)
Location: BELVIDERE
Magnitude: 2.00 
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Public

Hail to two inches in diameter was estimated on Route 76 near Poplar Grove Airport.  Shopping centers in the area reported heavy damage from hail.  A Walmart had 129 skylights damaged or broken while a ShopKo was also damaged by the hail.

Hail in COOK, ILLINOIS
From 12-APR-14 10:20:00 to 12-APR-14 10:25:00 (CST-6)
Location: HOFFMAN ESTATES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter