Storm Data and Unusual Weather Phenomena - April 2013 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg ILLINOIS, Northeast (IL-Z013) DU PAGE 04/08/13 08:39 CST 0.50K Strong Wind (MAX 48 kt) 04/08/13 08:39 CST 0 A strong area of low pressure drove winds to 50 mph across northern Illinois. Minor damage occurred at DuPage Airport on a hanger door. WINNEBAGO COUNTY --- 0.9 SE THE LEDGES [42.41, -88.99] 04/09/13 07:30 CST 0 Hail (0.88 in) 04/09/13 07:40 CST 0 Source: CoCoRaHS WINNEBAGO COUNTY --- 1.5 E THE LEDGES [42.42, -88.97] 04/09/13 07:30 CST 0 Hail (0.88 in) 04/09/13 07:40 CST 0 Source: COOP Observer Nickel size hail covered the ground. WINNEBAGO COUNTY --- 1.5 E THE LEDGES [42.42, -88.97] 04/09/13 08:30 CST 0 Hail (0.88 in) 04/09/13 08:40 CST 0 Source: COOP Observer A second thunderstorm moved over the same area dropping hail up to the size of nickels. The ground was still covered in hail from the previous storm about an hour earlier. A few strong thunderstorms developed over northern Illinois dropping nickel size hail. OGLE COUNTY --- 3.0 ESE ROCHELLE [41.90, -89.02], 2.4 ESE ROCHELLE [41.91, -89.02] 04/10/13 05:40 CST 0.15M Thunderstorm Wind (EG 50 kt) 04/10/13 05:40 CST 0 Source: Law Enforcement Over a dozen semi trucks either jackknifed or flipped onto their side at the Interstate 39 and 88 interchange in southeast Ogle County. A squall line moved across the interstate causing the strong winds. Nearby, at Rochelle Airport winds were measured to 51 mph, while farther east winds were measured to 56 mph at Northern Illinois University in De Kalb. A squall line moved across Interstate 39 causing multiple semi-trucks in southeastern Ogle County to jackknife or flip on their sides. LEE COUNTY --- 0.7 N PAW PAW [41.69, -88.98] 04/17/13 07:46 CST 0 Hail (0.88 in) 04/17/13 07:48 CST 0 Source: Trained Spotter KENDALL COUNTY --- OSWEGO [41.68, -88.35] 04/17/13 08:20 CST 0 Hail (0.75 in) 04/17/13 08:22 CST 0 Source: Trained Spotter DU PAGE COUNTY --- 1.2 SSE HIGHLAND HILLS [41.83, -88.01] 04/17/13 08:47 CST 0 Hail (0.75 in) 04/17/13 08:49 CST 0 Source: Trained Spotter Penny size hail was reported near the intersection of Interstate 88 and Highland Avenue. DE KALB COUNTY --- DE KALB [41.93, -88.75] 04/17/13 10:10 CST 0 Hail (0.88 in) 04/17/13 10:14 CST 0 Source: Trained Spotter COOK COUNTY --- SCHAUMBURG [42.03, -88.08] 04/17/13 10:19 CST 0 Hail (0.75 in) 04/17/13 10:21 CST 0 Source: Trained Spotter Page 1 of 6 Printed on: 09/05/2013 Storm Data and Unusual Weather Phenomena - April 2013 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg DE KALB COUNTY --- 2.5 ESE CORTLAND [41.90, -88.64] 04/17/13 10:20 CST 0 Hail (0.88 in) 04/17/13 10:22 CST 0 Source: Trained Spotter KANE COUNTY --- 2.1 NW HENPECK [42.14, -88.51] 04/17/13 10:23 CST 0 Hail (0.88 in) 04/17/13 10:25 CST 0 Source: Amateur Radio Nickel size hail was reported near Interstate 90 and Route 20. KANE COUNTY --- 0.9 NE EAST DUNDEE [42.11, -88.26] 04/17/13 10:26 CST 0 Hail (0.88 in) 04/17/13 10:28 CST 0 Source: Trained Spotter KANE COUNTY --- ELGIN [42.03, -88.28] 04/17/13 10:37 CST 0 Hail (0.75 in) 04/17/13 10:39 CST 0 Source: Trained Spotter LEE COUNTY --- 1.0 NNW WALTON [41.73, -89.44] 04/17/13 10:45 CST 0 Hail (0.88 in) 04/17/13 10:48 CST 0 Source: Public Nickel sized hail covered the ground. KANE COUNTY --- 1.7 N DUNDEE KOPPIE ARPT [42.15, -88.37], 1.8 NNE CARPENTERSVILLE [42.15, -88.24], 2.2 E ELGIN ARPT [42.07, -88.24], 0.9 ESE ELGIN ARPT [42.07, -88.26], 1.1 NE SOUTH ELGIN [42.01, -88.26], 2.6 WSW PLATO CENTER [42.01, -88.47], 2.5 NNE HENPECK [42.15, -88.46] 04/17/13 10:53 CST 0 Flash Flood (due to Heavy Rain) 04/17/13 17:00 CST 0 Source: 911 Call Center The intersection of Route 47 and Plato Road was flooded. Water was rushing over the road near Sandbloom Road and Bolz Road. Standing water was reported on Route 72 and Randall Road. Observers reported storm total rainfall of 5.34 inches near Algonquin and 4.36 inches near Elgin. LAKE COUNTY --- NORTH BARRINGTON [42.22, -88.13] 04/17/13 11:14 CST 0 Hail (1.00 in) 04/17/13 11:16 CST 0 Source: Trained Spotter LAKE COUNTY --- WAUKEGAN [42.37, -87.83] 04/17/13 11:45 CST 0 Hail (0.88 in) 04/17/13 11:47 CST 0 Source: Trained Spotter MCHENRY COUNTY --- CRYSTAL LAKE [42.23, -88.33] 04/17/13 12:12 CST 0 Hail (1.00 in) 04/17/13 12:14 CST 0 Source: Trained Spotter OGLE COUNTY --- 4.4 W BAILEYVILLE [42.20, -89.69], 6.1 NE BYRON [42.20, -89.17], 3.4 N STILLMAN VLY [42.15, -89.17], 4.5 NE MONROE CENTER [42.15, -88.94], 3.0 SSE CRESTON [41.89, -88.94], 4.1 W WOOSUNG [41.90, -89.63], 3.8 SSW BUFFALO GROVE [41.93, -89.63], 2.7 S HAZELHURST [41.93, -89.69] 04/17/13 13:18 CST 0 Flash Flood (due to Heavy Rain) 04/17/13 17:00 CST 0 Source: Emergency Manager Flooding was occurring at a nursing home in Oregon. Sandbags were sent to Stillman Valley. Creeks were rising out of their banks near Polo. River Road was closed south of Route 72 near Byron. Also near Byron, the Rock River undercut portions of the shoulder of Route 2 in several spots. Widespread standing water was reported county wide. An observer in Oregon reported a storm total of 5.00 inches or rainfall. LAKE COUNTY --- 2.8 WNW CHANNEL LAKE [42.49, -88.20], 1.1 ENE WINTHROP HARBOR [42.49, -87.80], 0.4 SSW NORTH CHICAGO [42.31, -87.83], 0.7 ESE SHERIDAN AAF [42.22, -87.81], 1.6 SE DEERFIELD ESTATES [42.15, -87.90], 2.0 NNW BARRINGTON HILLS [42.15, -88.20] 04/17/13 15:45 CST 4.70M Flash Flood (due to Heavy Rain) 04/17/13 17:00 CST 0 Source: Emergency Manager Page 2 of 6 Printed on: 09/05/2013 Storm Data and Unusual Weather Phenomena - April 2013 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg A levee was breached in Lincolnshire requiring 49 homes to be evacuated. Route 41 was closed between Route 137 and Route 176. Near Beach Park, water was reported over many roads, ponds were out of banks, and many homes had water up to doorsteps. County emergency managers estimated that 4,500 properties were affected by the flooding. LIVINGSTON COUNTY --- 4.2 W FLANAGAN [40.88, -88.93], 1.7 WNW MUNSTER [41.11, -88.93], 2.3 SE DWIGHT ARPT [41.11, -88.39], 2.9 S CORNELL [40.94, -88.73] 04/17/13 20:15 CST 0 Flash Flood (due to Heavy Rain) 04/18/13 02:30 CST 0 Source: Law Enforcement Illinois Route 18 was under water just north of Illinois Route 17. The viaduct on Illinois Route 23 south of Streator was flooded. Dwight received 3.67 inches of rainfall. LA SALLE COUNTY --- 3.8 S RUTLAND [40.93, -89.05], 1.7 N EAST WENONA [41.10, -89.05], 6.7 NE RANSOM [41.22, -88.59], 5.2 ESE RANSOM [41.11, -88.59], 2.0 NNE GARFIELD [41.11, -88.93], 1.8 SSE DANA [40.93, -88.93] 04/17/13 20:40 CST 0 Flash Flood (due to Heavy Rain) 04/18/13 02:30 CST 0 Source: Trained Spotter Approximately six inches of running water was reported a mile east of Route 251 on North 2nd Road making the road impassable. An observer near Seneca reported 5.17 inches of rain while an observer near Streator reported 4.76 inches of rainfall. LA SALLE COUNTY --- 3.6 ENE LAKE HOLIDAY [41.63, -88.60], 5.0 W WELLAND [41.63, -89.17], 3.2 SSW PRISCILLA [41.10, -89.16], 2.3 SE SENECA [41.30, -88.59] 04/18/13 03:13 CST 1 75M Flash Flood (due to Heavy Rain) 04/18/13 19:00 CST 0 Source: Emergency Manager County emergency managers estimated that over 500 buildings were damaged by flooding across La Salle County. In Marseilles, 1500 people were evacuated due to a compromised levee which led to dozens of homes and facilities being flooded along the river front. Several barges broke loose from a tugboat on the Illinois River and rammed into the levee. Five of the eight locks were damaged such that they could not close completely. Flooding occurred in Utica east of Route 178 resulting in evacuations on the I&M Canal.