Local Storm Report
Issued by NWS Chicago, IL

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NWUS53 KLOT 311238
LSRLOT

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
738 AM CDT SAT JUL 31 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0205 AM     TSTM WND DMG     6 NNW POPLAR GROVE      42.45N 88.85W
07/29/2021                   BOONE              IL   BROADCAST MEDIA

            LARGE, OLD TREE SNAPPED AT THE BASE NEAR
            IL-76 AND BLAINE ROAD. TREE SHOWED SOME
            EVIDENCE OF PRIOR ROTTING. TIME ESTIMATED BY
            RADAR.

0208 AM     TSTM WND DMG     2 N CAPRON              42.43N 88.74W
07/29/2021                   BOONE              IL   LAW ENFORCEMENT

            TREE DOWNED ONTO A CAR. TIME ESTIMATED FROM
            RADAR.

0210 AM     TSTM WND DMG     WONDER LAKE             42.39N 88.35W
07/29/2021                   MCHENRY            IL   PUBLIC

            WIRES BLOWN DOWN.

0210 AM     TSTM WND DMG     1 NW ANTIOCH            42.49N 88.13W
07/29/2021                   LAKE               IL   911 CALL CENTER

            WIRES WERE BLOWN DOWN AND A VEHICLE WAS
            DAMAGED ALONG FOREST DRIVE.

0211 AM     TSTM WND DMG     2 SE CAPRON             42.38N 88.71W
07/29/2021                   MCHENRY            IL   LAW ENFORCEMENT

            TREE DOWNED ONTO ROAD. TIME ESTIMATED FROM
            RADAR.

0212 AM     TSTM WND GST     HEBRON                  42.48N 88.43W
07/29/2021  E60 MPH          MCHENRY            IL   EMERGENCY MNGR

            ESTIMATED 60 MPH WINDS JUST SOUTH OF HEBRON.

0214 AM     TSTM WND DMG     MCHENRY                 42.33N 88.27W
07/29/2021                   MCHENRY            IL   EMERGENCY MNGR

            WIRES BLOW DOWN.

0214 AM     TSTM WND DMG     LAKE VILLA              42.44N 88.12W
07/29/2021                   LAKE               IL   911 CALL CENTER

            WIRES BLOWN DOWN ON PARK AVENUE.

0215 AM     TSTM WND DMG     1 WSW WOODSTOCK         42.31N 88.47W
07/29/2021                   MCHENRY            IL   PUBLIC

            PHOTO SHARED VIA FACEBOOK SHOWS LARGE TREE
            SNAPPED AT THE BASE AT EMRICSON PARK IN
            WOODSTOCK. TIME ESTIMATED BY RADAR.

0215 AM     TSTM WND DMG     1 NE TIMBERLANE         42.34N 88.85W
07/29/2021                   BOONE              IL   EMERGENCY MNGR

            LARGE BRANCH DOWNED NEAR IL76 AND DAWSON
            LAKE ROAD. TREE HAD EVIDENCE OF ROTTING
            PRIOR TO STORM. TIME ESTIMATED BY RADAR.

0222 AM     TSTM WND GST     CRYSTAL LAKE            42.26N 88.37W
07/29/2021  M60 MPH          MCHENRY            IL   EMERGENCY MNGR

            MEASURED GUST TO 60 MPH AT MCHENRY COUNTY
            COLLEGE.

0224 AM     TSTM WND DMG     1 W BEACH PARK          42.43N 87.87W
07/29/2021                   LAKE               IL   911 CALL CENTER

            WIRES DOWN ON EVERGREEN AVENUE.

0224 AM     TSTM WND DMG     1 W WINTHROP HARBOR     42.48N 87.85W
07/29/2021                   LAKE               IL   911 CALL CENTER

            WIRES DOWN ON 11TH STREET.

0224 AM     TSTM WND DMG     ZION                    42.45N 87.83W
07/29/2021                   LAKE               IL   FIRE DEPT/RESCUE

            TREE LIMB BLOWN DOWN ON A HIGH VOLTAGE LINE
            AT 27TH STREET AND BETHEL BLVD.

0225 AM     TSTM WND DMG     LAKEWOOD                42.23N 88.37W
07/29/2021                   MCHENRY            IL   PUBLIC

            PHOTO SHARED VIA SOCIAL MEDIA SHOWS 12-18
            DIAMETER TREE BRANCH DOWNED. TIME ESTIMATED
            BY RADAR.

0228 AM     TSTM WND GST     1 NW ISLAND LAKE        42.28N 88.20W
07/29/2021  M62 MPH          MCHENRY            IL   TRAINED SPOTTER

            MULTIPLE LARGE LIMBS SNAPPED OFF THE TOP OF
            A 30 FT TALL TREE.

0229 AM     TSTM WND DMG     WAUCONDA                42.26N 88.14W
07/29/2021                   LAKE               IL   PUBLIC

            PHOTO SHARED ON SOCIAL MEDIA OF TREE LIMBS
            BLOWN DOWN.

0230 AM     TSTM WND DMG     ALGONQUIN               42.17N 88.29W
07/29/2021                   MCHENRY            IL   PUBLIC

            PHOTO SHARED TO TWITTER SHOWS LARGE TREE
            BRANCHES DOWNED ACROSS DRIVEWAY IN THE
            ALGONQUIN VICINITY. TIME ESTIMATED BY RADAR.

0230 AM     TSTM WND DMG     CRYSTAL LAKE            42.24N 88.32W
07/29/2021                   MCHENRY            IL   PUBLIC

            MULTIPLE REPORTS OF TREES DOWNED IN AND
            AROUND CRYSTAL LAKE.

0232 AM     TSTM WND DMG     MUNDELEIN               42.26N 87.99W
07/29/2021                   LAKE               IL   BROADCAST MEDIA

            LARGE TREE LIMBS BLOWN DOWN NEAR SHADDLE
            AVENUE AND FRENCH DRIVE.

0233 AM     TSTM WND DMG     1 S LAKE BARRINGTON     42.20N 88.17W
07/29/2021                   LAKE               IL   911 CALL CENTER

            A TREE WAS BLOWN DOWN COMPLETELY BLOCKING
            OLD BARRINGTON ROAD.

0235 AM     TSTM WND DMG     LAKE ZURICH             42.20N 88.09W
07/29/2021                   LAKE               IL   PUBLIC

            PHOTO SHARED VIA TWITTER SHOWS LARGE BRANCH
            DOWNED IN LAKE ZURICH AREA. TIME ESTIMATED
            VIA RADAR.

0235 AM     TSTM WND DMG     KILDEER                 42.18N 88.05W
07/29/2021                   LAKE               IL   PUBLIC

            PHOTO SHARED VIA TWITTER SHOWS LARGE
            BRANCHES DOWNED, DAMAGING ITEMS ON PATIO.
            TIME ESTIMATED BY RADAR.

0235 AM     TSTM WND DMG     1 W SLEEPY HOLLOW       42.09N 88.34W
07/29/2021                   KANE               IL   EMERGENCY MNGR

            PHOTO SHOWS LARGE TREE SNAPPED AT BASE AND
            DOWNED ONTO BUILDING AND COVERED PATIO NEAR
            BUSHWOOD DRIVE AND TECHNOLOGY DRIVE IN
            ELGIN. TIME ESTIMATED BY RADAR.

0245 AM     TSTM WND DMG     EAST DUNDEE             42.10N 88.28W
07/29/2021                   KANE               IL   PUBLIC

            PHOTO SHARED ON SOCIAL MEDIA OF A LARGE TREE
            SNAPPED WHICH FELL ONTO POWER LINES AND
            BROKE A UTILITY POLE.

0245 AM     TSTM WND DMG     1 SSE EAST DUNDEE       42.08N 88.26W
07/29/2021                   KANE               IL   EMERGENCY MNGR

            TREES DOWN COMPLETELY ACROSS THE ROAD NEAR
            ROUTE 25 AND SUNSET PARK DRIVE.

0246 AM     TSTM WND DMG     1 SE MAPLE PARK         41.89N 88.59W
07/29/2021                   KANE               IL   911 CALL CENTER

            WIRES DOWN AND TREES ON FIRE AT ROUTE 38 AND
            SCHRADER ROAD.

0247 AM     TSTM WND GST     1 WNW SOUTH ELGIN       42.00N 88.31W
07/29/2021  M58 MPH          KANE               IL   PUBLIC

            PUBLIC REPORT OF MEASURED 58MPH WIND GUST.

0247 AM     TSTM WND GST     CHICAGO EXCUTIVE AIRPOR 42.12N 87.90W
07/29/2021  M55 MPH          COOK               IL   ASOS



0249 AM     TSTM WND DMG     ROLLING MEADOWS         42.08N 88.02W
07/29/2021                   COOK               IL   PUBLIC

            TOP OF A LARGE TREE SNAPPED OFF. TIME
            ESTIMATED FROM RADAR.

0250 AM     TSTM WND GST     ELGIN                   42.04N 88.28W
07/29/2021  M58 MPH          KANE               IL   MESONET

            MEASURED GUST TO 58 MPH ON A PERSONAL
            WEATHER STATION.

0250 AM     TSTM WND DMG     ELGIN                   42.03N 88.27W
07/29/2021                   KANE               IL   911 CALL CENTER

            LARGE TREE LIMB IN THE ROADWAY AT LIBERTY
            STREET AND SHERMAN AVENUE.

0250 AM     TSTM WND GST     1 ENE DEKALB            41.94N 88.73W
07/29/2021  M54 MPH          DE KALB            IL   PUBLIC

            PUBLIC REPORT OF MEASURED 54 MPH GUST IN
            DEKALB.

0250 AM     TSTM WND DMG     2 ENE GOLF              42.06N 87.75W
07/29/2021                   COOK               IL   BROADCAST MEDIA

            PHOTO SHARED TO TWITTER BY LOCAL MEDIA SHOWS
            TREE BRANCHES AND DEBRIS BEING CLEARED FROM
            I-94 AND OLD ORCHARD ROAD INTERCHANGE. TIME
            ESTIMATED BY RADAR.

0252 AM     TSTM WND DMG     DES PLAINES             42.04N 87.89W
07/29/2021                   COOK               IL   PUBLIC

            PHOTO SHARED ON SOCIAL MEDIA OF TREE LIMBS
            BLOWN DOWN.

0252 AM     TSTM WND DMG     STREAMWOOD              42.01N 88.18W
07/29/2021                   COOK               IL   AMATEUR RADIO

            WIRES BLOWN DOWN IN HANOVER TOWNSHIP.

0253 AM     TSTM WND DMG     SCHAUMBURG              42.03N 88.06W
07/29/2021                   COOK               IL   PUBLIC

            LARGE TREE DOWN BLOCKING SPRING VALLEY
            COURT.

0255 AM     TSTM WND DMG     MT PROSPECT             42.08N 87.91W
07/29/2021                   COOK               IL   PUBLIC

            LARGE TREE DOWN BLOCKING WOLF ROAD. PHOTO
            SHARED ON SOCIAL MEDIA.

0256 AM     TSTM WND GST     1 S WEST CHICAGO        41.87N 88.20W
07/29/2021  E75 MPH          DUPAGE             IL   EMERGENCY MNGR

            UPDATE TO PREVIOUS REPORT FROM 1 S WEST
            CHICAGO. PHOTOS FROM LOCAL EMERGENCY
            MANAGEMENT SHOW ROOF DAMAGE TO A RESIDENCE
            ON ELIZABETH STREET. ALSO DAMAGE TO A POWER
            TRANSMISSION POLE NEAR WEST CHICAGO HIGH
            SCHOOL. NUMEROUS INSTANCES OF BRANCHES
            SNAPPED OVER SEVERAL BLOCKS OF SOUTHERN WEST
            CHICAGO, INCLUDING LARGE BRANCHES UP TO 1
            FOOT IN DIAMETER. ONE TREE HAD ALMOST ALL
            BRANCHES REMOVED FROM THE TOP HALF. FLAG
            POLE BENT ABOUT 35 DEGREES IN A SOUTH
            SOUTHEAST DIRECTION. DAMAGE CONSISTENT WITH
            STRAIGHT-LINE WINDS ESTIMATED AT 75 MPH OR
            GREATER. TIME ESTIMATED BY RADAR.

0257 AM     TSTM WND GST     GLENVIEW                42.08N 87.80W
07/29/2021  M61 MPH          COOK               IL   BROADCAST MEDIA



0258 AM     TSTM WND DMG     WAYNE                   41.95N 88.25W
07/29/2021                   DUPAGE             IL   PUBLIC

            CORRECTS TIME OF PREVIOUS REPORT. SEVERAL
            LARGE BRANCHES AND POWER LINES DOWNED IN
            WAYNE. TIME ESTIMATED FROM RADAR.

0259 AM     TSTM WND GST     DUPAGE AIRPORT          41.91N 88.26W
07/29/2021  M64 MPH          DUPAGE             IL   ASOS



0300 AM     MARINE TSTM WIND WILMETTE BUOY           42.13N 87.66W
07/29/2021  M47 MPH          LMZ740             IL   BUOY



0300 AM     TSTM WND DMG     WHEATON                 41.86N 88.10W
07/29/2021                   DUPAGE             IL   PUBLIC

            PHOTO SHARED VIA SOCIAL MEDIA SHOWS SMALL
            BRANCH DOWNED IN WHEATON AREA. TIME
            ESTIMATED BY RADAR.

0300 AM     TSTM WND DMG     1 W NORTH CENTER - CHIC 41.95N 87.70W
07/29/2021                   COOK               IL   PUBLIC

            MULTIPLE MPING REPORTS OF MINOR TREE DAMAGE
            IN NORTHERN PORTIONS OF CHICAGO. TIME
            ESTIMATED BY RADAR.

0300 AM     TSTM WND DMG     ROGERS PARK - CHICAGO   42.01N 87.66W
07/29/2021                   COOK               IL   BROADCAST MEDIA

            VIDEO FROM BROADCAST MEDIA SHOWS TREE LIMB
            DOWN NEXT TO SHERIDAN ROAD IN ROGERS PARK
            CHICAGO. TIME ESTIMATED BY RADAR.

0301 AM     TSTM WND DMG     WARRENVILLE             41.82N 88.17W
07/29/2021                   DUPAGE             IL   PUBLIC

            LARGE LIMB SNAPPED OFF OF TREE. TIME
            ESTIMATED FROM RADAR.

0301 AM     TSTM WND DMG     WEST RIDGE - CHICAGO    42.00N 87.70W
07/29/2021                   COOK               IL   PUBLIC

            LARGE TREE LIMB SNAPPED AND PARTIALLY DOWNED
            ONTO A CAR. TIME ESTIMATED FROM RADAR.

0302 AM     TSTM WND DMG     1 SW BATAVIA            41.84N 88.33W
07/29/2021                   KANE               IL   911 CALL CENTER

            SIX INCH DIAMETER TREE LIMB BLOWN DOWN NEAR
            INTERSECTION OF MILLVIEW DRIVE AND TOWN
            AVENUE.

0303 AM     TSTM WND DMG     4 W BATAVIA             41.85N 88.38W
07/29/2021                   KANE               IL   LAW ENFORCEMENT

            7 INCH DIAMETER RIVER BIRCH TREE SNAPPED.
            TIME ESTIMATED FROM RADAR.

0305 AM     TSTM WND DMG     1 ENE NAPERVILLE        41.78N 88.12W
07/29/2021                   DUPAGE             IL   PUBLIC

            POST TO TWITTER SHOWS PICTURE OF DOWNED TREE
            AND INDICATES SEVERAL LARGE BRANCHES DOWNED
            AT NAPERVILLE COUNTRY CLUB. TIME ESTIMATED
            BY RADAR.

0305 AM     TSTM WND DMG     1 WNW WESTCHESTER       41.85N 87.90W
07/29/2021                   COOK               IL   PUBLIC

            PHOTO SHARED VIA TWITTER SHOWS LARGE
            BRANCHES SNAPPED NEAR THE TOP OF A TREE IN
            WESTCHESTER.

0305 AM     TSTM WND DMG     1 SW BELMONT-CRAGIN     41.92N 87.79W
07/29/2021                   COOK               IL   BROADCAST MEDIA

            VIDEO SHARED TO TWITTER BY LOCAL MEDIA SHOWS
            METAL SIDING ON ENTIRE NORTH SIDE OF
            INDUSTRIAL BUILDING REMOVED AND LAYING NEXT
            TO RAILROAD TRACKS, DISRUPTING COMMUTER RAIL
            SERVICE. ALSO REPORTS OF POWER LINES DOWNED
            ONTO TRACKS IN VICINITY. TIME ESTIMATED BY
            RADAR.

0309 AM     TSTM WND DMG     WESTCHESTER             41.86N 87.89W
07/29/2021                   COOK               IL   PUBLIC

            NUMEROUS LARGE TREES DOWNED IN AND AROUND
            WESTCHESTER.

0314 AM     TSTM WND DMG     RIVERSIDE               41.83N 87.82W
07/29/2021                   COOK               IL   PUBLIC

            SEVERAL TREE LIMBS BLOWN DOWN.

0316 AM     MARINE TSTM WIND HARRISON-DEVER CRIB     41.92N 87.57W
07/29/2021  M54 MPH          LMZ741             IL   C-MAN STATION



0316 AM     TSTM WND GST     MIDWAY AIRPORT          41.79N 87.74W
07/29/2021  M54 MPH          COOK               IL   ASOS



0320 AM     TSTM WND DMG     1 NNE BRIDGEPORT - CHIC 41.85N 87.64W
07/29/2021                   COOK               IL   PUBLIC

            PUBLIC REPORTS TREE DOWNED ONTO CAR ON 26TH
            STREET IN BRIDGEPORT CHICAGO. TIME ESTIMATED
            BY RADAR.

0320 AM     TSTM WND DMG     1 SW BURBANK            41.73N 87.79W
07/29/2021                   COOK               IL   PUBLIC

            PUBLIC REPORT OF TREE BRANCHES DOWNED IN
            BURBANK. TIME ESTIMATED BY RADAR.

0321 AM     TSTM WND GST     3 SW MIDWAY AIRPORT     41.74N 87.78W
07/29/2021  M60 MPH          COOK               IL   CO-OP OBSERVER



0321 AM     TSTM WND DMG     HICKORY HILLS           41.72N 87.83W
07/29/2021                   COOK               IL   PUBLIC

            POWER POLES DOWNED ALONG 95TH ST IN HICKORY
            HILLS. TIME ESTIMATED FROM RADAR.

0325 AM     TSTM WND DMG     1 NNE ROMEOVILLE        41.66N 88.09W
07/29/2021                   WILL               IL   PUBLIC

            LARGE TREE LIMB DOWNED. TIME ESTIMATED FROM
            RADAR.

0326 AM     TSTM WND DMG     1 NNE AUBURN-GRESHAM    41.76N 87.65W
07/29/2021                   COOK               IL   BROADCAST MEDIA

            PHOTOS SHARED ON SOCIAL MEDIA OF TREE, POWER
            LINE AND UTILITY POLE DAMAGE NEAR 74TH
            STREET AND CARPENTER STREET. VEHICLE DAMAGED
            AFTER DRIVING ONTO A DOWNED UTILITY POLE.

0330 AM     TSTM WND DMG     1 SSW PLAINFIELD        41.59N 88.21W
07/29/2021                   WILL               IL   NWS EMPLOYEE

            LARGE TREE BRANCH DOWNED. TIME ESTIMATED
            FROM RADAR.

0348 AM     TSTM WND DMG     1 N PORTAGE             41.59N 87.17W
07/29/2021                   PORTER             IN   EMERGENCY MNGR

            NUMEROUS DOWNED BRANCHES. ONE BRANCH DAMAGED
            A CAR. LOCATION APPROXIMATE. TIME ESTIMATED
            BY RADAR.

0350 AM     MARINE TSTM WIND MICHIGAN CITY BUOY      41.76N 86.97W
07/29/2021  M47 MPH          LMZ745             IN   BUOY



0350 AM     TSTM WND DMG     HOBART                  41.53N 87.26W
07/29/2021                   LAKE               IN   EMERGENCY MNGR

            LARGE TREE BRANCHES DOWNED NEAR LAKE GEORGE
            IN HOBART. TIME ESTIMATED BY RADAR.

0355 AM     TSTM WND DMG     6 SE CHESTERTON         41.55N 86.98W
07/29/2021                   PORTER             IN   911 CALL CENTER

            PORTER COUNTY 911 DISPATCH REPORTS TREE
            BRANCHES DOWNED NEAR ANDERSONS VINEYARD.
            TIME ESTIMATED BY RADAR.

0400 AM     TSTM WND DMG     3 S VALPARAISO          41.43N 87.07W
07/29/2021                   PORTER             IN   911 CALL CENTER

            PORTER COUNTY 911 DISPATCH REPORTS TREE
            BRANCHES DOWNED NEAR INTERSECTION OF
            DIVISION ROAD AND SMOKE ROAD. TIME ESTIMATED
            BY RADAR.

0615 AM     SEICHE           1 ESE SOUTH CHICAGO     41.73N 87.53W
07/29/2021                   LMZ742             IL   OFFICIAL NWS OBS

            NOS GAUGE INDICATED 1.5-2.0 FOOT RISE IN
            WATER LEVEL WITHIN 1 HOUR AT CALUMET HARBOR.
            SIGNIFICANT WATER LEVEL FLUCTUATIONS
            CONTINUE. POSSIBLE METEOTSUNAMI.

0615 AM     SEICHE           NAVY PIER               41.89N 87.61W
07/29/2021                   LMZ741             IL   OFFICIAL NWS OBS

            USGS GAUGE INDICATED 1.5-2.0 FOOT RISE IN
            WATER LEVEL WITHIN 1 HOUR AT CHICAGO LOCK.
            SIGNIFICANT WATER LEVEL FLUCTUATIONS
            CONTINUE. POSSIBLE METEOTSUNAMI.

0615 AM     SEICHE           1 N EAST CHICAGO        41.66N 87.45W
07/29/2021                   LAKE               IN   OFFICIAL NWS OBS

            USGS GAUGE INDICATED 2.0-2.5 FOOT RISE IN
            WATER LEVEL WITHIN 1 HOUR AT INDIANA HARBOR.
            SIGNIFICANT WATER LEVEL FLUCTUATIONS
            CONTINUE. POSSIBLE METEOTSUNAMI.


&&

$$





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