Storm Data and Unusual Weather Phenomena - June 2008 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg ILLINOIS, Northeast IROQUOIS COUNTY --- 5.0 W WATSEKA [40.78, -87.83] 06/04/08 18:19 CST 0 Hail (0.88 in) 06/04/08 18:21 CST 0 Source: COOP Observer LIVINGSTON COUNTY --- 6.8 SSW FLANAGAN [40.78, -88.90], 4.1 S FLANAGAN [40.81, -88.85] 06/04/08 18:45 CST 40K Tornado (EF1, L: 3.42 mi , W: 200 yd) 06/04/08 18:50 CST 0 Source: Emergency Manager A tornado touched down in Waldo Township, south of 1100 North, between 100 East and 200 East. A house suffered roof damage near this location. A small agriculture building was blown around a larger agricultural machine shed and destroyed. The larger machine shed suffered some roof damage. Trees and a child's play set were also damaged. Tree damage was reported south of 1200 North between 300 East and 400 East. Some small agricultural buildings were destroyed south of 1300 North, just east of 400 East. IROQUOIS COUNTY --- ASHKUM [40.88, -87.95] 06/04/08 19:09 CST 0 Hail (1.75 in) 06/04/08 19:12 CST 0 Source: Emergency Manager COOK COUNTY --- CHICAGO HGTS [41.50, -87.63] 06/04/08 20:49 CST 0 Hail (1.00 in) 06/04/08 20:51 CST 0 Source: Law Enforcement COOK COUNTY --- SAUK VLG [41.48, -87.58] 06/04/08 20:54 CST 0 Hail (1.75 in) 06/04/08 20:57 CST 0 Source: Law Enforcement KANKAKEE COUNTY --- 3.0 SSE KANKAKEE RIVER PK AR [41.18, -87.95], 1.5 SW MANTENO ST GEORGE AR [41.18, -87.80], 1.3 N AROMA PARK [41.10, -87.80], 1.6 W KANKAKEE ARPT [41.10, -87.95] 06/04/08 21:10 CST 0 Flash Flood (due to Heavy Rain) 06/05/08 04:45 CST 0 Source: Trained Spotter Several streets were flooded in Kankakee with water four to five feet deep in some locations. A motorist was rescued near Brookmont Boulevard. Many fields were flooded in Bourbonnais with a stormtotal rainfall of 5.20 inches. WILL COUNTY --- CRETE [41.45, -87.63] 06/04/08 21:39 CST 0 Hail (0.75 in) 06/04/08 21:41 CST 0 Source: Trained Spotter WILL COUNTY --- ROMEOVILLE [41.63, -88.07] 06/04/08 22:52 CST 0 Hail (0.75 in) 06/04/08 22:54 CST 0 Source: Trained Spotter WILL COUNTY --- 3.0 SE JOLIET WILHEM FLD AR [41.45, -88.04], 1.4 SSE PARK FOREST SOUTH [41.45, -87.71], 1.7 WNW MONEE SANGER ARPT [41.39, -87.71], 2.3 ENE EAST JOLIET [41.39, -88.04] 06/04/08 23:33 CST 0 Flash Flood (due to Heavy Rain) 06/05/08 04:30 CST 0 Source: Law Enforcement Multiple roads were closed across parts of eastern Will County due to flooding. Route 50 near Eagle Creek was impassible. COOK COUNTY --- 1.4 W FOREST GLEN [41.97, -87.83] 06/05/08 01:09 CST 0 Hail (0.75 in) 06/05/08 01:11 CST 0 Source: Law Enforcement Penny size hail was reported in Norridge. Severe thunderstorms developed over central Illinois during the evening hours of June 4th and moved northeast across eastern Illinois during the early morning hours of June 5th. Some of the evening thunderstorms produced wall clouds and funnel clouds but only one tornado was confirmed. Page 1 of 24 Printed on: 11/11/2008 Storm Data and Unusual Weather Phenomena - June 2008 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg OGLE COUNTY --- MT MORRIS [42.05, -89.43] 06/05/08 06:28 CST 0 Thunderstorm Wind (EG 61 kt) 06/05/08 06:28 CST 0 Source: Trained Spotter Wind gusts were estimated to 70 mph. OGLE COUNTY --- FORRESTON [42.12, -89.58] 06/05/08 06:30 CST 0 Thunderstorm Wind (EG 55 kt) 06/05/08 06:30 CST 0 Source: Law Enforcement Several trees were blown down. OGLE COUNTY --- 0.7 NNE BYRON [42.14, -89.24] 06/05/08 06:32 CST 1K Thunderstorm Wind (EG 55 kt) 06/05/08 06:32 CST 0 Source: Newspaper Large tree limbs and power lines were blown down on North River Drive. WINNEBAGO COUNTY --- (RFD)GTR ROCKFORD AR [42.20, -89.10] 06/05/08 06:45 CST 0 Thunderstorm Wind (EG 56 kt) 06/05/08 06:45 CST 0 Source: ASOS A wind gust to 64 mph was measured. MCHENRY COUNTY --- MARENGO [42.25, -88.60] 06/05/08 07:00 CST 0 Thunderstorm Wind (EG 55 kt) 06/05/08 07:00 CST 0 Source: Law Enforcement A tree was blown down. MCHENRY COUNTY --- CRYSTAL LAKE [42.23, -88.33] 06/05/08 07:22 CST 1K Thunderstorm Wind (EG 55 kt) 06/05/08 07:22 CST 0 Source: Emergency Manager Tree limbs and power lines were blown down. LAKE COUNTY --- 2.5 SE LAKE VILLA [42.39, -88.00] 06/05/08 08:00 CST 10K Lightning 06/05/08 08:00 CST 0 Source: Newspaper Lightning struck a home on Yew Tree Court blowing a hole through the roof, knocking siding off of the house and blew out some electrical circuits but no fire was reported. Severe thunderstorms developed across northwest Illinois shortly after sunrise and quickly moved across far northern Illinois during the mid morning hours. (IL-Z011) DE KALB, (IL-Z019) LA SALLE 06/06/08 13:00 CST 10K Strong Wind (MAX 45 kt) 06/06/08 17:00 CST 0 (IL-Z006) LAKE, (IL-Z008) OGLE 06/06/08 13:25 CST 10K High Wind (MAX 50 kt) 06/06/08 17:00 CST 0 Strong winds developed during the late morning and early afternoon of June 6th and continued through early evening. Wind gusts between 45 and 50 mph were common with a few locations reaching near 60 mph. A gust to 58 mph was measured at the Rochelle Airport. A two foot diameter tree was blown down onto a house in Deerfield in Lake County. A tree was blown down onto a house in Mendota in LaSalle County with minor damage reported. Many tree limbs and power lines were blown down across DeKalb County. MCHENRY COUNTY --- 0.9 ENE HARVARD DACY ARPT [42.40, -88.61] Page 2 of 24 Printed on: 11/11/2008 Storm Data and Unusual Weather Phenomena - June 2008 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg 06/06/08 13:45 CST 0 Thunderstorm Wind (EG 55 kt) 06/06/08 13:45 CST 0 Source: Newspaper Trees were blown down along Route 14, south of Harvard. MCHENRY COUNTY --- 2.3 NNW LAWRENCE [42.46, -88.65] 06/06/08 13:45 CST 25K Thunderstorm Wind (EG 60 kt) 06/06/08 13:45 CST 0 Source: Newspaper A barn was blown down with debris scattered across Lawrence Road. A 2-by-4 was stuck in the ground like a spear. MCHENRY COUNTY --- MARENGO [42.25, -88.60] 06/06/08 13:48 CST 2K Thunderstorm Wind (EG 56 kt) 06/06/08 13:48 CST 0 Source: Trained Spotter Trees and power lines were blown down near Route 23 and Route 176. Some roads were impassible because of debris. OGLE COUNTY --- ROCHELLE [41.92, -89.07] 06/06/08 13:48 CST 0 Thunderstorm Wind (MG 50 kt) 06/06/08 13:48 CST 0 Source: Trained Spotter Winds gusted to 58 mph in Rochelle. A tree was blown down near Cooper Park. OGLE COUNTY --- 3.0 E DAVIS JCT [42.10, -89.04] 06/06/08 13:55 CST 1K Thunderstorm Wind (EG 56 kt) 06/06/08 13:55 CST 0 Source: Public Trees and power lines were blown down. OGLE COUNTY --- LINDENWOOD [42.05, -89.03] 06/06/08 13:55 CST 5K Thunderstorm Wind (EG 65 kt) 06/06/08 13:55 CST 0 Source: Public A medium size grain bin was lifted off its foundation and laid over on its side in Lindenwood. DE KALB COUNTY --- 0.7 NNW KIRKLAND [42.09, -88.86] 06/06/08 14:00 CST 10K Thunderstorm Wind (EG 55 kt) 06/06/08 14:00 CST 0 Source: Newspaper Numerous trees, tree limbs and power lines were blown down in Kirkland. A construction trailer was overturned near Route 72 and Malta Road. Strong to severe thunderstorms developed over northern Illinois and moved northeast during the afternoon hours of June 6th. LIVINGSTON COUNTY --- 2.6 E CORNELL [40.97, -88.68], 3.4 E CORNELL [40.98, -88.67] 06/07/08 15:21 CST 0 Tornado (EF0, L: 0.91 mi , W: 20 yd) 06/07/08 15:23 CST 0 Source: Fire Department/Rescue Video from a storm spotter along with eyewitness accounts from the Dwight Fire Department confirmed a weak tornado about four miles east of Cornell. The tornado remained in an open field and no damage or injuries were reported. LIVINGSTON COUNTY --- 2.4 SSE NEVADA [41.05, -88.55], 1.2 ESE SUNBURY [41.09, -88.51] 06/07/08 15:31 CST 50K Tornado (EF1, L: 3.59 mi , W: 40 yd) 06/07/08 15:45 CST 0 Source: NWS Storm Survey A tornado touched down near 2000E and 2900N. Utility poles were snapped along 2900N. On 2100E north of 3000N, half of the roof of a barn was blown off.