May 9th, 2018 Severe Thunderstorms

Overview

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
Photos
Additional Info

Storm Reports

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

Photos


Tree down in unincorporated Lombard, IL Photo by Karen Harast	Fence blown down in Elmwood Park, IL Photo by M. Spentzos-Inghram	Downburst near Chatsworth, IL Photo by Richard Lewis

Additional Info

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