A strong cold front pushed into a very warm unstable air mass as a significant upper level storm system tracked into the northern Great Lakes on June 29-30, 2014. A major severe weather and flash flood event unfolded across the area. This event resulted in the direct deaths of 2 people and direct injuries to 7 others. Three weak tornadoes, widespread damaging winds of 60 to 80 mph, and life-threatening flash flooding due to 4 to 6 inches of rainfall was reported. Two of the tornadoes were in northeast Iowa while another tornado was spotted in northwest Illinois. Law enforcement reported a business building destroyed by high winds from a severe thunderstorm in Fairfax, Iowa. One person was killed and another injured due to the collapsed structure. A severe thunderstorm packing 80 mph winds blew a tarp on top of several people trying to cover the infield at Veterans Memorial Stadium in Cedar Rapids, Iowa. Three people suffered concussions while another person had a dislocated shoulder. In North Liberty, Iowa a tree fell on a person who was then transported to a local hospital. Severe flash flooding in Cedar Rapids, Iowa resulted in the drowning death of a teenage boy with another boy injured. They were swept into a storm sewer and were found a mile away in a lake.

Flash Flood in JO DAVIESS, ILLINOIS
From 29-JUN-14 22:29:00 to 29-JUN-14 22:29:00 (CST-6)
Location: GALENA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported water 12 to 18 inches deep along the sides of the road.

Flash Flood in HENRY, ILLINOIS
From 30-JUN-14 01:42:00 to 30-JUN-14 01:42:00 (CST-6)
Location: COLONA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported intersections flooded.

Flash Flood in ROCK ISLAND, ILLINOIS
From 30-JUN-14 01:42:00 to 30-JUN-14 01:42:00 (CST-6)
Location: COAL VLY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported mudslides around Coal Valley.

Flash Flood in ROCK ISLAND, ILLINOIS
From 30-JUN-14 15:50:00 to 30-JUN-14 15:50:00 (CST-6)
Location: COYNE CENTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Several inches of rain caused significant creek flooding.

Flash Flood in PUTNAM, ILLINOIS
From 30-JUN-14 17:36:00 to 30-JUN-14 17:36:00 (CST-6)
Location: MAGNOLIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 4 to 6 inches of water over Route 18.

Flash Flood in STEPHENSON, ILLINOIS
From 30-JUN-14 19:22:00 to 30-JUN-14 19:22:00 (CST-6)
Location: FREEPORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager reported cars stalled in the streets due to flooded roads.

Flash Flood in ROCK ISLAND, ILLINOIS
From 30-JUN-14 20:05:00 to 30-JUN-14 20:05:00 (CST-6)
Location: CARBON CLIFF
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The fire department reported Argyle Creek was flooding into about 20 houses in Carbon Cliff.

Flash Flood in WHITESIDE, ILLINOIS
From 30-JUN-14 20:00:00 to 30-JUN-14 20:00:00 (CST-6)
Location: ROCK FALLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported street flooding with water up to car doors.

Flash Flood in PUTNAM, ILLINOIS
From 30-JUN-14 21:00:00 to 30-JUN-14 21:00:00 (CST-6)
Location: GRANVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported many roads closed across the county due to flash flooding.

Flash Flood in STEPHENSON, ILLINOIS
From 30-JUN-14 19:32:00 to 30-JUN-14 19:32:00 (CST-6)
Location: BOLTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported water over Pearl City Road 1/4 mile west of Bolton Road.