Overview
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An increasingly unstable airmass combined with an upper-level trough to produce isolated to scattered severe thunderstorms across northeast and east-central Illinois and northwest Indiana during the late afternoon and early evening of May 9th, 2018. Sporadic wind damage was reported across 1) the western suburbs and north side of Chicago and 2) east-central Illinois into northwest Indiana. |
 Radar loop from 4pm - 8pm CDT May 9th, 2018. |
Storm Reports
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
932 PM CDT WED MAY 9 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0437 PM HAIL 1 ESE BLOOMINGDALE 41.94N 88.07W
05/09/2018 M0.25 INCH DUPAGE IL COCORAHS
0452 PM HAIL MORTON GROVE 42.04N 87.79W
05/09/2018 E0.25 INCH COOK IL PUBLIC
RELAYED BY MEDIA.
0507 PM TSTM WND DMG 2 S LOMBARD 41.85N 88.01W
05/09/2018 DUPAGE IL BROADCAST MEDIA
LARGE TREE DOWNED ON HOME, AND SIDING BLOWN OFF A HOUSE.
ESTIMATED TIME AND APPROXIMATE LOCATION.
0511 PM HAIL 1 E VILLA PARK 41.89N 87.96W
05/09/2018 M0.75 INCH DUPAGE IL TRAINED SPOTTER
0513 PM HAIL LOMBARD 41.87N 88.01W
05/09/2018 M0.25 INCH DUPAGE IL PUBLIC
RELAYED VIA SOCIAL MEDIA
0524 PM TSTM WND DMG MELROSE PARK 41.90N 87.86W
05/09/2018 COOK IL LAW ENFORCEMENT
PART OF A ROOF DESTROYED ON A BUILDING, AND 60 FT TOWER
BENT. TIME ESTIMATED FROM RADAR.
0533 PM TSTM WND GST ROGERS PARK 42.01N 87.67W
05/09/2018 M45.00 MPH COOK IL TRAINED SPOTTER
LIMBS DOWN AND PEA SIZE HAIL
0546 PM HAIL KANKAKEE 41.12N 87.86W
05/09/2018 M0.88 INCH KANKAKEE IL TRAINED SPOTTER
0550 PM TSTM WND GST 4 NE CHICAGO 41.92N 87.57W
05/09/2018 M53.00 MPH LMZ741 IL C-MAN STATION
PEAK GUST AT THE CHICAGO HARRISON DEVER CRIB.
0555 PM TSTM WND GST 3 SSE KANKAKEE 41.08N 87.84W
05/09/2018 M64.00 MPH KANKAKEE IL ASOS
MEASURED AT KANKAKEE AIRPORT. NO DAMAGE REPORTED AT
AIRFIELD.
0559 PM TSTM WND GST GRANT PARK 41.24N 87.64W
05/09/2018 E60.00 MPH KANKAKEE IL TRAINED SPOTTER
NICKEL SIZE HAIL AS WELL.
0559 PM TSTM WND DMG GRANT PARK 41.24N 87.64W
05/09/2018 KANKAKEE IL TRAINED SPOTTER
10 INCH TREE DOWN AND GRAVEL FROM ROAD NOW IN FIELDS NEAR
1600 AND 10500N. MEASURED 0.5 INCHES OF RAIN IN 15
MINUTES.
0613 PM TSTM WND DMG LAKE DALECARLIA 41.34N 87.40W
05/09/2018 LAKE IN TRAINED SPOTTER
12 INCH DIAMETER TREE ON A VEHICLE NEAR COLFAX AND CENTER
0616 PM TSTM WND GST 4 S CROWN POINT 41.37N 87.36W
05/09/2018 E70.00 MPH LAKE IN TRAINED SPOTTER
TWO FOOT DIAMETER TREE DOWN AS WELL
0618 PM TSTM WND DMG 7 WNW DANFORTH 40.86N 88.10W
05/09/2018 IROQUOIS IL EMERGENCY MNGR
SIDE OF A BARN AND PART OF ROOF BLOWN OFF
0632 PM TSTM WND DMG 4 E LAKES OF THE FOUR S 41.41N 87.15W
05/09/2018 PORTER IN LAW ENFORCEMENT
LARGE TREE DOWNED ALONG INDIANA STATE ROAD 2. TIME
ESTIMATED PER RADAR.
0646 PM TSTM WND DMG 3 NE VALPARAISO 41.51N 87.01W
05/09/2018 PORTER IN LAW ENFORCEMENT
LARGE BRANCH AND POWERLINE DOWNED IN JACKSON TOWNSHIP.
MULTIPLE LARGE BRANCHES ALSO DOWNED IN THE COUNTY.
0715 PM HAIL PAXTON 40.46N 88.10W
05/09/2018 M0.25 INCH FORD IL EMERGENCY MNGR
SMALL BRANCHES DOWN AND LOCALIZED STREET FLOODING ALSO
OBSERVED
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Photos
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Tree down in unincorporated Lombard, IL |
Fence blown down in Elmwood Park, IL |
Downburst near Chatsworth, IL |
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