Overview
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An extremely humid and unstable air mass on Saturday July 23 set the stage for strong to severe storms to develop mid to late afternoon along the I-90 corridor in far northern Illinois. These storms ended up shifting very slowly southeast, bringing flash flooding to parts of Belvidere and Rockford, as well as near the Lake and Cook Counties border. Severe winds with gusts around 60 mph were scattered within this area. Another potent round of storms developed across northeast Iowa and moved eastward into northern Illinois around sunset. These brought isolated severe winds in north central Illinois as well as additional heavy rainfall. |
 Shelf cloud on the leading edge of storms as they move into Chicago. Courtesy of Barry Butler. |
Photos:
Shelf Clouds
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| Chicago (Barry Butler) |
Chicago (April Ann) |
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| Chicago (Barry Butler) |
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| West Dundee, IL (Paul Goddard) |
Flooding
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| Belvidere (Sandra Leato) |
Cherry Valley - I39 & U.S. Highway 20 Lynn Rockcastle |
Belvidere (Kathleen Murphy-Sweet) |
Radar:
Header
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| Radar Loop: 4 pm - 1 am |
Storm Reports
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| Storm Reports |
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1047 AM CDT SUN JUL 24 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0458 PM TSTM WND DMG BELVIDERE 42.25N 88.85W
07/23/2016 BOONE IL LAW ENFORCEMENT
NUMEROUS LARGE BRANCHED DOWNED IN THE CITY. RADAR
ESTIMATED TIME.
0515 PM TSTM WND DMG MARENGO 42.25N 88.60W
07/23/2016 MCHENRY IL LAW ENFORCEMENT
LARGE TREE BLOWN DOWN. TIME ESTIMATED BY RADAR.
0520 PM HEAVY RAIN N CAPRON 42.40N 88.74W
07/23/2016 M2.15 INCH BOONE IL COCORAHS
2.15 INCHES IN LAST 2.5 HOURS.
0532 PM HAIL CHERRY VALLEY 42.24N 88.96W
07/23/2016 E1.00 INCH WINNEBAGO IL TRAINED SPOTTER
ALSO 55 TO 60 MPH WINDS AND VERY HEAVY RAINFALL WITH
VISIBILITY AROUND 200 FEET.
0545 PM HEAVY RAIN GURNEE 42.38N 87.94W
07/23/2016 M2.30 INCH LAKE IL BROADCAST MEDIA
2.30 INCHES IN 45 MINUTES.
0555 PM MARINE TSTM WIND 6 E GLENCOE 42.13N 87.65W
07/23/2016 M51.00 MPH LMZ740 IL BUOY
TIME ESTIMATED BY RADAR.
0600 PM HEAVY RAIN 4 SSE ROCKFORD 42.22N 89.04W
07/23/2016 M2.41 INCH WINNEBAGO IL COCORAHS
PAST 75 MINUTES
0605 PM HEAVY RAIN 3 NNW LAKE FOREST 42.28N 87.88W
07/23/2016 M1.52 INCH LAKE IL COCORAHS
PAST 48 MINUTES.
0608 PM HEAVY RAIN 1 NE BELVIDERE 42.26N 88.83W
07/23/2016 M2.97 INCH BOONE IL COCORAHS
2.97 INCHES OF RAIN OVER PAST 2.5 HOURS.
0610 PM HEAVY RAIN HIGHLAND PARK 42.18N 87.81W
07/23/2016 M1.75 INCH LAKE IL TRAINED SPOTTER
MEASURED 1 HOUR RAINFALL.
0611 PM FLASH FLOOD CHERRY VALLEY 42.24N 88.96W
07/23/2016 WINNEBAGO IL TRAINED SPOTTER
ROAD FLOODED WITH MULTIPLE VEHICLES STRANDED/FLOODED.
I-39 AND US ROUTE 20.
0615 PM TSTM WND DMG EVANSTON 42.05N 87.69W
07/23/2016 COOK IL TRAINED SPOTTER
SEVERAL 6 INCH DIAMETER BRANCHES DOWN.
0615 PM LIGHTNING WILMETTE 42.08N 87.73W
07/23/2016 COOK IL PUBLIC
LIGHTNING STRUCK AND DOWNED A 30 FT LONG BRANCH WITH TOOK
DOWN POWERLINES WITH AN ESTIMATED 200 HOMES WITHOUT
POWER.
0628 PM TSTM WND GST SKOKIE 42.04N 87.74W
07/23/2016 E60.00 MPH COOK IL AMATEUR RADIO
WIND ESTIMATED AT 55-60 MPH. DEMPSTER STREET WEST OF
SKOKIE BLVD.
0632 PM MARINE TSTM WIND 2 SSE CHICAGO 41.86N 87.61W
07/23/2016 M56.00 MPH COOK IL C-MAN STATION
0642 PM TSTM WND DMG ROGERS PARK 42.01N 87.67W
07/23/2016 COOK IL COCORAHS
A FEW LARGE LIMBS DOWNED. RADAR ESTIMATED TIME.
0700 PM FLASH FLOOD EVANSTON 42.05N 87.69W
07/23/2016 COOK IL PUBLIC
WATER UP TO THE BOTTOM OF CARS ALONG SHERIDAN ROAD. TIME
ESTIMATED PER RADAR. REPORT RECEIVED AFTER THE EVENT.
0700 PM FLASH FLOOD HIGHWOOD 42.21N 87.81W
07/23/2016 LAKE IL AMATEUR RADIO
CAR STRANDED IN 2.5 FEET OF WATER AT GREEN BAY ROAD AND
BURCHELL ROADS.
0708 PM TSTM WND DMG EAST DUNDEE 42.10N 88.26W
07/23/2016 KANE IL LAW ENFORCEMENT
BRANCHES DOWN AT ROUTE 25 AND SUNSET PARK. CORRECTED FOR
RADAR ESTIMATED TIME.
0715 PM FLASH FLOOD S BELVIDERE 42.25N 88.85W
07/23/2016 BOONE IL LAW ENFORCEMENT
MULTIPLE ROADS FLOODED AND CLOSED ON THE SOUTH SIDE OF
TOWN. TIME ESTIMATED IN REPORT.
0740 PM TSTM WND GST 5 N TOWN OF PINES 41.76N 86.97W
07/23/2016 M40.00 MPH LMZ745 IN BUOY
0740 PM FLOOD CHICAGO 41.88N 87.63W
07/23/2016 COOK IL PUBLIC
STREET FLOODING AT ASHLAND AND WEBSTER. FROM SOCIAL
MEDIA.
0745 PM FLOOD WINNETKA 42.11N 87.74W
07/23/2016 COOK IL AMATEUR RADIO
VIADUCT FLOODED AT WILSON STREET AND WINNETKA ROAD.
0745 PM FLOOD CHICAGO 41.88N 87.63W
07/23/2016 COOK IL AMATEUR RADIO
VIADUCT FLOODED AT SACRAMENTO AND CARROL. NEAR WEST SIDE.
0758 PM TSTM WND DMG POLO 41.98N 89.58W
07/23/2016 OGLE IL CO-OP OBSERVER
OLD SHED KNOCKED DOWN, PORTION OF AN OLD BARN DAMAGED,
AND BRANCHES DOWNED. RADAR ESTIMATED TIME.
0800 PM LIGHTNING POLO 41.98N 89.58W
07/23/2016 OGLE IL LAW ENFORCEMENT
LIGHTNING STRUCK A HOUSE CAUSING A FIRE.
0800 PM HEAVY RAIN WAUCONDA 42.27N 88.14W
07/23/2016 E2.00 INCH LAKE IL AMATEUR RADIO
RAINFALL THROUGH 8 PM CDT.
0800 PM HEAVY RAIN VERNON HILLS 42.24N 87.96W
07/23/2016 M2.90 INCH LAKE IL PUBLIC
RAINFALL FROM EARLIER STORMS. VIA SOCIAL MEDIA.
0808 PM TSTM WND DMG DIXON 41.85N 89.48W
07/23/2016 LEE IL LAW ENFORCEMENT
MULTIPLE POWER LINES DOWN IN THE TOWN OF DIXON. TIME
ESTIMATED FROM RADAR.
0913 PM TSTM WND GST 6 W SHABBONA 41.76N 88.99W
07/23/2016 E55.00 MPH LEE IL TRAINED SPOTTER
ESTIMATED 50-55 MPH GUST. HEAVY RAIN...CONTINUOUS
LIGHTNING.
1017 PM HEAVY RAIN BATAVIA 41.85N 88.30W
07/23/2016 M1.40 INCH KANE IL CO-OP OBSERVER
RAIN TOTAL THUS FAR AS IT IS STILL RAINING.
1027 PM HEAVY RAIN ROUND LAKE PARK 42.32N 88.06W
07/23/2016 M2.24 INCH LAKE IL PUBLIC
FROM SOCIAL MEDIA.
1030 PM HEAVY RAIN 1 N BUFFALO GROVE 42.18N 87.96W
07/23/2016 M2.78 INCH LAKE IL COCORAHS
RAINFALL OF 2.78 INCHES OVER THE PAST FOUR HOURS.
1038 PM HEAVY RAIN 2 SE YORKVILLE 41.62N 88.42W
07/23/2016 M2.20 INCH KENDALL IL CO-OP OBSERVER
2.20 INCHES IN 45 MINUTES. STILL RAINING.
1039 PM TSTM WND DMG 3 S MORRIS 41.33N 88.43W
07/23/2016 GRUNDY IL LAW ENFORCEMENT
COUPLE TREES DOWNED. NUMEROUS LARGE BRANCHES DOWNED.
OUTBUILDING DAMAGED. RADAR ESTIMATED TIME.
1049 PM FLOOD MORTON GROVE 42.04N 87.79W
07/23/2016 COOK IL EMERGENCY MNGR
STANDING WATER HAD CLOSED GOLF RD AND WAUKEGAN RD IN
MORTON GROVE, AND THE ROAD IS NOW OPEN.
1110 PM HEAVY RAIN 1 NNW BURNHAM 41.65N 87.55W
07/23/2016 M1.05 INCH COOK IL COCORAHS
1.05 INCHES IN LAST 40 MINUTES.
1110 PM HEAVY RAIN 1 NNW BURNHAM 41.65N 87.55W
07/23/2016 M1.40 INCH COOK IL COCORAHS
1.05 INCHES IN THE PAST 40 MINUTES.
1140 PM HEAVY RAIN NORTHBROOK 42.13N 87.83W
07/23/2016 M3.14 INCH COOK IL LAW ENFORCEMENT
STORM TOTAL 3.14 INCHES AT NORTHBROOK WATER PLANT.
&&
$$
MTF
Rain Reports
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| Rainfall Amounts from July 23 |
Public Information Statement
National Weather Service Chicago IL
1113 AM CDT Sun Jul 24 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 Sunday(07/24/16)...
Illinois Rain
Location (County): fall (inches)
Belvidere (Boone)............................4.80
Highwood 1S (Lake)...........................4.25
Riverwoods (Lake)............................3.91
Glencoe (Cook)...............................3.78
Botanic Gardens (Cook).......................3.76
Winnetka 1ESE (Cook).........................3.74
Belvidere 2NE (Boone)........................3.41
Capron (Boone)...............................3.09
Lincolnwood 3E (Cook)........................2.99
Buffalo Grove 2N (Lake)......................2.99
Lake Forest 2NNE (Lake)......................2.83
Wheeling (Cook)..............................2.71
Ravenswood Manor (Cook)......................2.60
Chicago 6NNE (Cook)..........................2.59
Harwood Heights 2NNE (Cook)..................2.49
Mundelein 2WNW (Lake)........................2.40
Mundelein (Lake).............................2.38
Beach Park 1W (Lake).........................2.37
Yorkville 2SE (Kendall)......................2.37
Palatine 1E (Cook)...........................2.34
Chicago 5NE (Cook)...........................2.34
Lincolnwood 2E (Cook)........................2.34
Lansing (Cook)...............................2.32
Mchenry (McHenry)............................2.30
Beecher 3ENE (Will)..........................2.29
Park Forest (Cook)...........................2.27
Schaumburg 2E (Cook).........................2.21
Woodstock 1SSW (McHenry).....................2.14
Park Forest 1SW (Cook).......................2.05
Crete 3E (Will)..............................2.05
Flossmoor (Cook).............................2.02
Park Forest 1NNE (Cook)......................2.02
Morris 2SSE (Grundy).........................2.02
Gurnee 2W (Lake).............................2.01
Lake Zurich (Lake)...........................1.98
Park Ridge (Cook)............................1.92
Park Ridge 1WNW (Cook).......................1.92
Lansing (Cook)...............................1.91
Chicago 6ESE (Cook)..........................1.89
Monee (Will).................................1.89
Lakemoor 2SE (Lake)..........................1.88
Homewood (Cook)..............................1.86
Waukegan (Lake)..............................1.85
Woodstock 5nw (McHenry)......................1.85
Algonquin 2W (McHenry).......................1.82
North Aurora 2NE (Kane)......................1.80
Joliet 2W (Will).............................1.75
Beecher 3SSE (Will)..........................1.73
Algonquin 1N (McHenry).......................1.65
Rockford (Winnebago).........................1.64
Barrington (Lake)............................1.63
Oak Park 2S (Cook)...........................1.63
Montgomery 1SSE (Kendall)....................1.62
Streamwood 1W (Cook).........................1.61
Elk Grove Village 2WSW (Cook)................1.61
Oak Park 1SW (Cook)..........................1.59
Paw Paw (Lee)................................1.59
Batavia (Kane)...............................1.58
Morris (Grundy)..............................1.56
Coal City 4NNW (Grundy)......................1.53
Aurora 4SE (Du Page).........................1.53
Carbon Hill 3.1N (Grundy)....................1.53
Elk Grove Village 1ESE (Cook)................1.52
Oak Park 1NNE (Cook).........................1.52
Aurora 4SE (Du Page).........................1.50
Morris 5NNW (Grundy).........................1.49
Plano (Kendall)..............................1.48
Chicago Ridge (Cook).........................1.46
Momence (Kankakee)...........................1.46
Cicero 2SSW (Cook)...........................1.44
Waukegan 2N (Lake)...........................1.44
Aurora 4NE (Du Page).........................1.43
Sugar Grove 1NE (Kane).......................1.42
Sugar Grove 1ENE (Kane)......................1.42
Oswego 5SSE (Kendall)........................1.41
Batavia 1WSW (Kane)..........................1.41
Wonder Lake 1WNW (McHenry)...................1.41
Joliet (Will)................................1.41
Steward (Lee)................................1.41
Coal City (Grundy)...........................1.40
Wilmington 6NW (Will)........................1.40
Romeoville (Will)............................1.39
Batavia 2WNW (Kane)..........................1.38
Batavia 1WNW (Kane)..........................1.38
Winthrop Harbor (Lake).......................1.38
Peotone (Will)...............................1.38
Bolingbrook 3NE (Du Page)....................1.37
Coal City 3N (Grundy)........................1.37
Naperville 4SSW (Will).......................1.37
Minooka (Grundy).............................1.36
Yorkville 2SSE (Kendall).....................1.36
Morris (Grundy)..............................1.36
Wilmington 4WNW (Will).......................1.35
Zion (Lake)..................................1.33
Midway (Cook)................................1.33
Burnham-hegewisch 2NNW (Cook)................1.32
Gilberts (Kane)..............................1.32
Byron 3N (Ogle)..............................1.32
Alsip (Cook).................................1.31
Winthrop Harbor 1SSW (Lake)..................1.31
Geneva 1SSW (Kane)...........................1.29
Somonauk 2NE (De Kalb).......................1.28
Rochelle (Ogle)..............................1.28
West Chicago (Du Page).......................1.25
Naperville 1NW (Du Page).....................1.25
Dixon 3NNW (Lee).............................1.25
Roselle 1ESE (Du Page).......................1.22
Braceville (Grundy)..........................1.22
Elwood 5NE (Will)............................1.22
Joliet (Will)................................1.21
Manhattan 2SE (Will).........................1.20
Joliet 2n (Will).............................1.20
Bourbonnais (Kankakee).......................1.18
Elburn (Kane)................................1.16
Plainfield 3SE (Will)........................1.16
Plainfield 1SW (Will)........................1.16
New Lenox 4SE (Will).........................1.15
Midway Coop (Cook)...........................1.15
Aurora (Kane)................................1.13
Homer Glen 1ENE (Will).......................1.13
Channahon 2SSE (Will)........................1.13
Joliet Lock/dam (Will).......................1.12
Ohare (Cook).................................1.12
Elgin (Kane).................................1.11
Arlington Heights 1SW (Cook).................1.11
Burr Ridge 2SW (Du Page).....................1.11
Elgin 1S (Kane)..............................1.11
Geneva 4WSW (Kane)...........................1.11
Joliet 2WNW (Will)...........................1.11
Aurora (Kane)................................1.10
Montgomery 2SSE (Kendall)....................1.09
Roselle 1W (Du Page).........................1.08
Sheridan 3SSE (La Salle).....................1.08
Manhattan 1ESE (Will)........................1.08
Elmhurst 2SE (Du Page).......................1.06
Hoffman Estates 5W (Cook)....................1.05
Naperville 2ESE (Du Page)....................1.05
Lisle (Du Page)..............................1.03
Manhattan 5ENE (Will)........................1.03
Lockport 1SE (Will)..........................1.03
Seneca 1NNE (La Salle).......................1.02
Wilmington 3SE (Will)........................1.02
Manhattan (Will).............................1.02
Ashton (Lee).................................1.01
Westmont (Du Page)...........................1.01
Fox Lake 2SE (Lake)..........................1.00
Lake Villa 2WSW (Lake).......................1.00
Plainfield (Will)............................0.99
Oak Lawn 2WNW (Cook).........................0.98
Roscoe 2ESE (Winnebago)......................0.97
Roscoe 2se (Winnebago).......................0.97
Willow Springs (Cook)........................0.97
New Lenox 2SE (Will).........................0.95
Elgin (Kane).................................0.92
Downers Grove 0.4NNE (Du Page)...............0.92
Elgin 2WNW (Kane)............................0.91
Elgin 2W (Kane)..............................0.91
Glen Ellyn 1NNW (Du Page)....................0.88
Elmhurst 1ESE (Du Page)......................0.88
Elmhurst (Du Page)...........................0.88
St. Charles (Kane)...........................0.88
Winfield (Du Page)...........................0.88
Carol Stream (Du Page).......................0.87
Machesney Park 3ENE (Winnebago)..............0.87
St. Charles 6NW (Kane).......................0.86
Seneca 2SSW (La Salle).......................0.85
Rochelle (Ogle)..............................0.85
Antioch 4W (Lake)............................0.84
Glen Ellyn 2SSE (Du Page)....................0.84
Lily Lake 2E (Kane)..........................0.84
Worth (Cook).................................0.83
Elgin 8WSW (Kane)............................0.83
New Lenox 3E (Will)..........................0.83
Genoa (De Kalb)..............................0.82
Channahon 1NNE (Will)........................0.82
De Kalb (De Kalb)............................0.81
Mendota 1N (La Salle)........................0.80
North Utica 6N (La Salle)....................0.80
Palos Park 1SW (Cook)........................0.78
Momence 6SSW (Kankakee)......................0.78
Glen Ellyn (Du Page).........................0.76
De Kalb (De Kalb)............................0.76
Oak Lawn (Cook)..............................0.74
Mendota (La Salle)...........................0.66
Polo (Ogle)..................................0.65
Rockford 3NE (Winnebago).....................0.61
Mendota 2SE (La Salle).......................0.58
Rockford 1NW (Winnebago).....................0.55
Rockford 2ENE (Winnebago)....................0.54
St Anne (Kankakee)...........................0.30
Amboy (Lee)..................................0.29
Sublette (Lee)...............................0.23
Ottawa 2N (La Salle).........................0.15
Marseilles (La Salle)........................0.10
Dwight 4NNW (Grundy).........................0.09
Ottawa 1NW (La Salle)........................0.08
Bonfield 4WSW (Kankakee).....................0.06
Ottawa (La Salle)............................0.06
Streator (Livingston)........................0.03
La Salle (La Salle)..........................0.02
Indiana Rain
Location (County): fall (inches)
St. John (Lake)..............................1.82
Portage 3E (Porter)..........................1.69
Hobart 2E (Lake).............................1.62
Hobart 1NNW (Lake)...........................1.55
Winfield 1NE (Lake)..........................1.54
Crown Point 1N (Lake)........................1.52
Crown Point 2WSW (Lake)......................1.42
Gary 5ENE (Lake).............................1.41
Valparaiso 6WSW (Porter).....................1.37
De Motte 1SSW (Jasper).......................1.35
Valparaiso 4SW (Porter)......................1.35
De Motte 6S (Jasper).........................1.30
De Motte 3SE (Jasper)........................1.29
Valparaiso 2WNW (Porter).....................1.26
Valparaiso 2NW (Porter)......................1.26
Valparaiso 7WSW (Porter).....................1.25
De Motte 1NNW (Jasper).......................1.24
Valparaiso 6SSW (Porter).....................1.24
Portage 1ESE (Porter)........................1.20
Valparaiso 6NW (Porter)......................1.13
Hebron 1NW (Porter)..........................1.13
Valparaiso 1SE (Porter)......................1.11
Valparaiso 1NE (Porter)......................1.08
Porter 1S (Porter)...........................1.07
Lake Village (Newton)........................1.02
Wheatfield 5W (Jasper).......................0.99
Valparaiso (Porter)..........................0.86
Rensselaer 10NNE (Jasper)....................0.84
Chesterton 4E (Porter).......................0.82
Rensselaer 4N (Jasper).......................0.80
Rensselaer 5NW (Jasper)......................0.64
Mount Ayr 2NNE (Newton)......................0.47
Rensselaer (Jasper)..........................0.45
Rensselaer 2SSW (Jasper).....................0.12
Morocco (Newton).............................0.05
$$
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