Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >
Overview
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Thunderstorms developed during the late morning and early afternoon across a zone just south of I-80 in northern Illinois and northwest Indiana and persisted for several hours. An extremely moist environment set the stage for very heavy rainfall rates. In addition, storms were moving slow and training over the same areas. This brought about flash flooding due to rainfall amounts estimated at three plus inches, and possibly near six, in some locations. The hardest hit communities were Braceville and Odell in northern Illinois, and in Indiana near the town of Hebron experienced very heavy rainfall. |
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Flooding
Braceville
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| Courtesy of Karen Arndt |
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| Courtesy of Christina Brock | Courtesy of Karen Arndt | Courtesy of Karen Arndt | Stacy Brown |
Other Locations
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| Odell, IL: Courtesy of Heidi Legner | Odell, IL: Courtesy of Kathy Heddins | Verona, IL: Courtesy of Stacy Gans |
Radar:
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| NWS Chicago 0.5° Radar reflectivity loop from August 28, 11:30 a.m. - 4:30 p.m. at 5 minute intervals. |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
757 PM CDT SUN AUG 28 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 PM LIGHTNING 1 NNE ODELL 41.02N 88.52W
08/28/2016 LIVINGSTON IL LAW ENFORCEMENT
CAR STUCK BY LIGHTNING ON I-55 AT MILE MARKER 210.
0200 PM HEAVY RAIN 4 NNW DWIGHT 41.15N 88.45W
08/28/2016 M1.75 INCH GRUNDY IL COCORAHS
RAIN FELL IN PAST HOUR
0215 PM FLOOD LOWELL 41.29N 87.41W
08/28/2016 LAKE IN PUBLIC
FLOODED YARDS AND MINOR FLOODING ON ROADS.
0215 PM FLASH FLOOD 3 SE HEBRON 41.29N 87.16W
08/28/2016 PORTER IN LAW ENFORCEMENT
WATER OVER 500 WEST AND 1000 SOUTH TO THE POINT WHERE THE
ROAD WAS CLOSED. TIME ESTIMATED PER RADAR.
0230 PM FLASH FLOOD ODELL 41.00N 88.52W
08/28/2016 LIVINGSTON IL PUBLIC
SOME ROADS WITH WATER ON THEM AND MANY YARDS FLOODED.
TIME ESTIMATED PER RADAR.
0230 PM FLASH FLOOD GODLEY 41.24N 88.24W
08/28/2016 WILL IL PUBLIC
WATER AT LEAST ONE FOOT DEEP ON MULTIPLE ROADS. TIME
ESTIMATED PER RADAR.
0250 PM FLASH FLOOD BRACEVILLE 41.22N 88.27W
08/28/2016 GRUNDY IL PUBLIC
AT INTERSECTION OF RAILROAD AND MCNEIL ST WATER IS 2 TO 3
FEET DEEP.
0300 PM FLASH FLOOD 3 N GARDNER 41.23N 88.31W
08/28/2016 GRUNDY IL PUBLIC
WATER RUNNING OVER ROADWAYS THAT TYPICALLY DO NOT FLOOD.
ESTIMATED RAINFALL OF OVER FOUR INCHES IN OVER AN HOUR.
0302 PM HEAVY RAIN BRACEVILLE 41.22N 88.27W
08/28/2016 E4.50 INCH GRUNDY IL PUBLIC
RAIN FELL IN AROUND 90 MINUTES
0315 PM FLOOD 5 SW HEBRON 41.27N 87.27W
08/28/2016 LAKE IN PUBLIC
FLOODED FIELDS.
0327 PM FLASH FLOOD BRACEVILLE 41.22N 88.27W
08/28/2016 GRUNDY IL PUBLIC
MANY ROADS IN TOWN FLOODED...SOME SIGNIFICANTLY.
0330 PM FLOOD VERONA 41.22N 88.50W
08/28/2016 GRUNDY IL PUBLIC
FLOODED YARDS AND DITCHES.
Rain Reports
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| 24 Hour Precipitation Ending at 7 AM August 29 |
Public Information Statement
National Weather Service Chicago IL
1005 AM CDT Mon Aug 29 2016
...Morning Rainfall Roundup...
The following are rain amounts for the previous 24-hours
as measured in the morning by NWS Cooperative Observers
and CoCoRaHS observers.
Observations are usually taken between 6 AND 8 AM.
24-hour rainfall amounts
for Monday(08/29/16)...
Illinois Rain
Location (County): fall (inches)
Braceville (Grundy)..........................4.68
Dwight 4NNW (Grundy).........................1.81
Pontiac 1SE (Livingston).....................1.63
Pontiac 1ESE (Livingston)....................1.33
Sterling 4NE (Lee)...........................1.30
Joliet 3WNW (Will)...........................1.22
Dwight (Livingston)..........................1.15
Coal City (Grundy)...........................1.01
Pontiac (Livingston).........................0.94
Joliet 2n (Will).............................0.87
Wilmington 3SE (Will)........................0.79
Dixon (Lee)..................................0.75
Mazon 0.5ENE (Grundy)........................0.73
Streator 1WSW (La Salle).....................0.66
Joliet (Will)................................0.66
Joliet 2W (Will).............................0.63
Emington 2SSE (Livingston)...................0.53
Dixon 2SW (Lee)..............................0.51
Seneca 1NNE (La Salle).......................0.51
Pontiac (Livingston).........................0.51
Bonfield 4NNE (Kankakee).....................0.50
Beecher 3SSE (Will)..........................0.47
Joliet Lock/dam (Will).......................0.45
Seneca 2SSW (La Salle).......................0.35
Minooka (Grundy).............................0.33
Morris (Grundy)..............................0.32
Bonfield 4WSW (Kankakee).....................0.31
Peotone (Will)...............................0.22
Park Forest 1SW (Cook).......................0.18
Morris 6ESE (Grundy).........................0.18
Morris (Grundy)..............................0.18
Crete 3E (Will)..............................0.17
Channahon 2SSE (Will)........................0.17
Bourbonnais (Kankakee).......................0.15
Park Forest (Cook)...........................0.15
Elwood 5NE (Will)............................0.14
Channahon 1NNE (Will)........................0.14
New Lenox 4SE (Will).........................0.14
Marseilles (La Salle)........................0.14
Manhattan 5ENE (Will)........................0.13
Manhattan (Will).............................0.12
Morris 2SSE (Grundy).........................0.11
Coal City 3N (Grundy)........................0.11
Wilmington 6NW (Will)........................0.11
Manhattan 2SE (Will).........................0.11
Barrington (Lake)............................0.10
Chebanse (Kankakee)..........................0.09
Manhattan 1ESE (Will)........................0.09
Lockport 3ESE (Will).........................0.09
Lockport 1SE (Will)..........................0.09
Coal City 4NNW (Grundy)......................0.08
Carbon Hill 3.1N (Grundy)....................0.08
New Lenox 2SE (Will).........................0.08
Homewood (Cook)..............................0.07
Plainfield 5SW (Kendall).....................0.07
Plainfield 3SE (Will)........................0.07
New Lenox 3E (Will)..........................0.06
Ottawa (La Salle)............................0.05
Plainfield 1SW (Will)........................0.04
Chatsworth (Livingston)......................0.03
Amboy (Lee)..................................0.03
Plainfield 2SSE (Will).......................0.03
Romeoville (Will)............................0.03
Paw Paw (Lee)................................0.03
St Anne (Kankakee)...........................0.03
Ottawa 1NW (La Salle)........................0.02
Ottawa 2N (La Salle).........................0.02
Mendota (La Salle)...........................0.02
Amboy (Lee)..................................0.01
La Salle (La Salle)..........................0.01
Homer Glen 1ENE (Will).......................0.01
Steward (Lee)................................0.01
De Kalb (De Kalb)...........................TRACE
Oak Lawn (Cook).............................TRACE
Palos Park 1SW (Cook).......................TRACE
Aurora 4SE (Du Page)........................TRACE
Bolingbrook 3NE (Du Page)...................TRACE
Ashkum 5.6E (Iroquois)......................TRACE
Watseka 6.9WNW (Iroquois)...................TRACE
Sugar Grove 1NE (Kane)......................TRACE
Ashton (Lee)................................TRACE
Highwood 1S (Lake)..........................TRACE
Plainfield (Will)...........................TRACE
Paxton (Ford)...............................TRACE
Indiana Rain
Location (County): fall (inches)
Hebron 3SSW (Lake)...........................6.43
St. John (Lake)..............................0.31
Valparaiso 6WSW (Porter).....................0.27
(kb9f)Valparaiso 4S (Porter).................0.25
Valparaiso 1SE (Porter)......................0.21
Valparaiso 4SW (Porter)......................0.21
Valparaiso 6S (Porter).......................0.21
Crown Point 2WSW (Lake)......................0.20
Valparaiso 6SSW (Porter).....................0.20
Valparaiso (Porter)..........................0.19
Crown Point 1N (Lake)........................0.18
Merrillville 2ESE (Lake).....................0.14
Morocco (Newton).............................0.07
Hobart 1SSW (Lake)...........................0.06
Gary 4SSW (Lake).............................0.06
Hobart 1NNW (Lake)...........................0.05
(w9opr)Wheatfield 1ENE (Jasper)..............0.03
Wheatfield 3S (Jasper).......................0.02
De Motte 4SW (Jasper)........................0.02
De Motte 6S (Jasper).........................0.01
Gary 5ENE (Lake).............................0.01
Lake Village (Newton)........................0.01
De Motte 1NNW (Jasper)......................TRACE
Kentland (Newton)...........................TRACE
Porter 1S (Porter)..........................TRACE
$$
Environment
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| 11 a.m. Surface Weather Map | Figure 2: 7 a.m. NWS Lincoln, IL Weather Balloon Data |
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