Damaging Winds in Illinois, April 5, 2023

Name: Damaging Winds in Illinois, April 5, 2023
Start: 2023-04-05T05:02
End: 2023-04-05T06:03
Location: Illinois

April 5, 2023 · NWS LOT · 15 events in 4 counties and zones

Scattered thunderstorms moved across northern Illinois during the morning of April 5th producing localized wind damage.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 15

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LOT wrote it up.

Scattered thunderstorms moved across northern Illinois during the morning of April 5th producing localized wind damage.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before the first event at Apr 5, 1:22 AM CST, 3 hours 40 minutes earlier.

Area forecast discussion, Apr 5, 1:22 AM CST, 3 hours 40 minutes before

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
222 AM CDT Wed Apr 5 2023

.SHORT TERM...
Issued at 159 AM CDT Wed Apr 5 2023

Through Thursday...

The main focus in the short term remains on convective trends
through this afternoon, with the evolution of upstream activity a
bit unclear this morning.

Earlier strong-severe convection has--temporarily at least--
cleared our area. In its wake, a robust surface warm front is
moving northward and seems to have just about cleared our entire
forecast area. Strong southerly winds will continue to hold
temperatures pretty steady overnight, and some sporadic gusts to
30-40 mph will be possible, primarily well south of I-80 in the
vicinity of slightly steeper near-surface lapse rates.

While Lincoln and Davenport's evening soundings reveal strongly
capped environments to surface-based parcels, the persistent feed
of southerly winds pushing low to mid 60 degree dewpoints
northward will result in incrementally diminishing MLCIN through
the overnight hours, with further lifting/cooling of the based on
the lingering EML plume ahead of the surface low expected to
result in values lowering enough to support renewed development
and/or intensification of ongoing convection.

Currently, regional radar loops reveal outflow continues to push
ahead of the convective complex north of I-80 in eastern Iowa with
a persistent diminishing trend noted to updraft intensity. Increased
forcing may allow for additional storm development immediately
along and behind this feature as it drifts into our area after
about 4 AM. While cells may ultimately remain disorganized, they
will be entering an environment with increased MUCAPE with
eastward extent, so any supercells that are able to sustain
themselves will be capable of producing a few instances of large
hail and perhaps a severe wind gust. Think the tornado threat in
the immediate term should remain muted, although we've recently
seen some signs of increasing low- level rotation on the cell NW
of the Quad Cities.

Eyeing an additional area of convection farther south--currently
developing into western Missouri on the southeastern flanks of a
150 kt jet streak. Conceptually, this activity seems like the area
for us to watch for later this morning for the main severe
potential. Timing these features out, getting an arrival into
Livingston/Southern La Salle Counties around 600-630 AM, and
through our NW Indiana counties by 9-10 AM. Obviously, this is a
climatologically unfavorable time for severe weather in our area,
but this may be offset largely by the already only weakly-capped
environment and expected strong attendant linear forcing. Always
tough to figure out how these scenarios will play out, but see an
potential (given enough continued maturing of this SW cluster)
with the strongly-sheared parameter space for a severe threat,
particularly across the southeastern half if not 2/3rds of our
forecast area during rush hour. Surface winds ahead of this
complex look pretty veered (SWly) which will cut down on eSRH a
bit, although with 60 kts presence at 1 km, this may not matter
too much with 300+ m2/s2 values advertised by incoming guidance.
One wildcard will be whether outflow currently meandering
southeastward across central Missouri and also into NW Illinois
will get ahead of activity sufficiently to curtail surface-based
inflows. If this happens, the severe risk would likely be muted in
our area. However, given the recent trends noted on the lead
supercell. Any discrete/semi-discrete cells would also carry an
attendant large hail threat.

Activity looks to largely clear our forecast area by 10-11 AM. The
next question is whether additional activity sprouts on the actual
cold front which will lag this morning convection by a few hours.
It seems possible that things get overturned sufficiently that the
front will not convect as readily. At this time, the RAP is the
most aggressive firing additional (low-topped) storms on the
front, with better chances looking to occur more into Indiana
through mid-late afternoon.

Gusty non-thunderstorm will also develop today. An initial "pop"
immediately ahead of the cold front/departing convection appears
possible as mixing into the lingering 50-55 kt low-level jet
occurs. This will be followed by general 35-45 mph gusts through
the afternoon.

Quieter conditions expected into Thursday although gusty westerly
winds will continue. Deeper mixing within the drying airmass will
likely support afternoon RHs falling into the 25-35 percent range
which will support a slightly elevated fire danger within the
breezy post-frontal airmass.

Carlaw

&&

.LONG TERM...
Issued at 222 AM CDT Wed Apr 5 2023

Thursday night through Tuesday...

Generally quiet weather until Sunday night/Monday when the models
had been showing a cold front moving across the area. Not much of
a front in the latest model runs and precip chances have decreased
for Sunday night. Best chance of precip now seems to be on Monday
as a weak wave moves across the area.

Temps warm back above normal by Saturday and then increase a few
degrees each day into next week when even the blended guidance is
in the upper 70s to near 80 Tuesday and Wednesday. Lake breezes,
southeast winds may keep the Lake Michigan shore cooler through
Sunday, but if southwesterly winds increase enough with the warmer
temps, they may extend all the way to the lake shore by midweek.
cms

&&

.AVIATION...
For the 06Z TAFs...

1229 AM...Primary forecast concerns include...

Chance of thunderstorms toward daybreak.
Chance of thunderstorms late morning/early afternoon.
Strong/gusty southerly winds this morning.
Strong/gusty westerly winds this afternoon.

Scattered thunderstorms extending from central IA into MO are
expected to continue moving east early this morning. Activity
across MO may become the primary area of thunderstorms to affect
the area toward daybreak though there still remains uncertainty
for coverage with this activity. Much of guidance shows this
morning activity as the main thunderstorm activity today, shifting
east during the mid/late morning. There is a chance for additional
thunderstorms along the cold front in the late morning into the
early afternoon. Confidence is low for thunderstorms during this
time period, which may end up being dry. Maintained tempo thunder
mention during this time period but changes can be expected.

Winds are slowly turning southerly at the terminals and will
slowly turn south/southwesterly by morning. Gusts through the
night will likely be in the mid 20kt range. Winds will shift
westerly behind the cold front this afternoon with gusts into the
mid 30kt range, with perhaps a few gusts in the upper 30kt range.
Winds will begin to diminish with sunset. cms

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...Wind Advisory...ILZ011-ILZ012-ILZ013-ILZ019-ILZ020-ILZ021-ILZ023-
     ILZ032-ILZ033-ILZ039-ILZ103-ILZ104-ILZ105-ILZ106-ILZ107-
     ILZ108...7 AM Wednesday to 4 PM Wednesday.

IN...Wind Advisory...INZ001-INZ002-INZ010-INZ011-INZ019...7 AM
     Wednesday to 4 PM Wednesday.

LM...Gale Warning...LMZ740-LMZ741-LMZ742-LMZ743-LMZ744-LMZ745...7 AM
     Wednesday to 7 PM Wednesday.

     Small Craft Advisory...nearshore waters until 7 AM Wednesday.

&&

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Hazardous weather outlook, Apr 5, 2:12 AM CST, 2 hours 50 minutes before

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
312 AM CDT Wed Apr 5 2023

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-060815-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
312 AM CDT Wed Apr 5 2023 /412 AM EDT Wed Apr 5 2023/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk...with an associated:
     Elevated Tornado Risk.
     Elevated Hail Risk...up to golf ball size.
     Elevated Damaging Wind Risk...up to 70 mph.
  Limited Flooding Risk.
  Elevated Non Thunderstorm Wind Risk.

DISCUSSION...

Scattered strong to severe thunderstorms are expected this morning
through early afternoon. The main severe threats will be from
damaging wind gusts and large hail. A few tornadoes are also
possible. The severe threat is expected to exit our area by early
this afternoon.

Non-thunderstorm winds gusts of 40 to 50 mph are expected today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  Elevated Fire Weather Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed mainly this morning.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 50 to 60 mph.

LMZ740>745-060815-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
312 AM CDT Wed Apr 5 2023

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Gale force winds and or very hazardous waves.
  Significant Thunderstorm Risk...with an associated:
     Elevated hail risk...up to golf ball size.
     Limited thunderstorm wind gust risk...up to 60 kt.
  Waterspout Risk

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  Hazardous conditions for small craft are likely.

Carlaw

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In the hours before

Local storm report, Apr 5, 1:39 AM CST, 3 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
239 AM CDT WED APR 5 2023

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

0158 PM     HAIL             PORTAGE PARK - CHICAGO  41.95N 87.75W
04/04/2023  U1.25 INCH       COOK               IL   PUBLIC

            CORRECTS TIME OF PREVIOUS HAIL REPORT FROM
            PORTAGE PARK - CHICAGO.

&&

RO

Local storm report, Apr 5, 1:41 AM CST, 3 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
241 AM CDT WED APR 5 2023

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

0207 PM     HAIL             SKOKIE                  42.03N 87.73W
04/04/2023  M1.00 INCH       COOK               IL   PUBLIC

            CORRECTS TIME OF PREVIOUS HAIL REPORT FROM
            SKOKIE. RELAYED VIA TWITTER.

&&

RO

Local storm report, Apr 5, 1:48 AM CST, 3 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
248 AM CDT WED APR 5 2023

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

0453 AM     HAIL             FLANAGAN                40.88N 88.86W
04/04/2023  M0.75 INCH       LIVINGSTON         IL   AMATEUR RADIO

1140 AM     HAIL             OREGON                  42.02N 89.33W
04/04/2023  M0.88 INCH       OGLE               IL   EMERGENCY MNGR

            OGLE COUNTY EM REPORTS HAIL OF NICKEL TO
            QUARTER SIZE IN OREGON.

1145 AM     HAIL             MENDOTA                 41.55N 89.11W
04/04/2023  M1.75 INCH       LA SALLE           IL   PUBLIC

            REPORT SHARED VIA SOCIAL MEDIA OF GOLF BALL
            HAIL IN MENDOTA.

1149 AM     HAIL             1 WNW TROY GROVE        41.47N 89.10W
04/04/2023  M2.50 INCH       LA SALLE           IL   TRAINED SPOTTER

            REPORT OF 2.5 INCH HAIL NEAR TROY GROVE
            RELAYED VIA SPOTTER NETWORK.

1157 AM     HAIL             1 E POLO                41.99N 89.57W
04/04/2023  M1.50 INCH       OGLE               IL   TRAINED SPOTTER

            RELAYED VIA SPOTTER NETWORK.

1200 PM     TSTM WND DMG     3 N HARMON              41.76N 89.56W
04/04/2023                   LEE                IL   LAW ENFORCEMENT

            SEMI TIPPED OVER ON US30 NEAR HARMON. TIME
            ESTIMATED BY RADAR.

1202 PM     TSTM WND DMG     DIXON                   41.84N 89.49W
04/04/2023                   LEE                IL   PUBLIC

            VIDEO SHARED BY PUBLIC VIA SOCIAL MEDIA
            SHOWS STRUCTURAL DAMAGE NEAR 2ND AND COLLEGE
            IN DIXON. TIME ESTIMATED BY RADAR.

1202 PM     HAIL             1 SSW MENDOTA           41.54N 89.12W
04/04/2023  M1.00 INCH       LA SALLE           IL   TRAINED SPOTTER

            TRAINED SPOTTER REPORTS QUARTER SIZE HAIL ON
            THE SOUTH SIDE OF MENDOTA.

1205 PM     HAIL             EARLVILLE               41.59N 88.92W
04/04/2023  M1.00 INCH       LA SALLE           IL   TRAINED SPOTTER

1205 PM     TSTM WND DMG     4 E NELSON              41.79N 89.54W
04/04/2023                   LEE                IL   LAW ENFORCEMENT

            SEMI TIPPED OVER ON I-88 NEAR ATKINSON ROAD.
            POSSIBLE INJURIES. TIME ESTIMATED BY RADAR.

1210 PM     TSTM WND GST     3 ESE DIXON             41.83N 89.43W
04/04/2023  M66 MPH          LEE                IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 66 MPH WIND
            GUST WITH AN ABRUPT WIND SHIFT FROM EASTERLY
            TO WESTERLY, THEN BACK TO EASTERLY.

1210 PM     TSTM WND DMG     3 E DIXON               41.84N 89.42W
04/04/2023                   LEE                IL   LAW ENFORCEMENT

            SEMI TIPPED OVER ON IL-38 EAST OF DIXON.
            TIME ESTIMATED BY RADAR.

1210 PM     FLOOD            4 S FORRESTON           42.07N 89.59W
04/04/2023                   OGLE               IL   EMERGENCY MNGR

            OGLE COUNTY EM REPORTS WATER BEGINNING TO
            FLOW OVER HIGHWAY 26 BETWEEN FORRESTON AND
            POLO.

1215 PM     HAIL             3 E MENDOTA             41.55N 89.06W
04/04/2023  E1.00 INCH       LA SALLE           IL   PUBLIC

            PUBLIC REPORT OF QUARTER SIZED HAIL EAST OF
            MENDOTA.

1215 PM     TSTM WND DMG     3 WSW FRANKLIN GROVE    41.82N 89.36W
04/04/2023                   LEE                IL   LAW ENFORCEMENT

            SEMI TIPPED OVER ON I-88 NEAR ROBBINS ROAD.
            TIME ESTIMATED BY RADAR.

1217 PM     HAIL             2 E OREGON              42.01N 89.30W
04/04/2023  M1.50 INCH       OGLE               IL   EMERGENCY MNGR

            OGLE COUNTY EM REPORTS PING PONG BALL HAIL
            NEAR IL-64 AND BLACKHAWK ROAD EAST OF
            OREGON.

1220 PM     HAIL             3 N PRAIRIE CENTER      41.52N 88.92W
04/04/2023  M1.50 INCH       LA SALLE           IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

1220 PM     HAIL             3 S EARLVILLE           41.55N 88.92W
04/04/2023  M2.50 INCH       LA SALLE           IL   TRAINED SPOTTER

1221 PM     HAIL             2 SW LELAND             41.59N 88.83W
04/04/2023  M2.25 INCH       LA SALLE           IL   PUBLIC

            TIME ESTIMATED BY RADAR.

1225 PM     HAIL             LELAND                  41.62N 88.80W
04/04/2023  M2.50 INCH       LA SALLE           IL   PUBLIC

            PHOTO SHARED TO SOCIAL MEDIA SHOWS HAIL AT
            LEAST TENNIS BALL SIZE NEAR LELAND.

1225 PM     FLOOD            OREGON                  42.01N 89.33W
04/04/2023                   OGLE               IL   EMERGENCY MNGR

            OGLE COUNTY EM REPORTS 2-3 FEET OF STANDING
            WATER ON 2ND STREET IN OREGON.

1233 PM     HAIL             DAVIS JUNCTION          42.10N 89.10W
04/04/2023  M1.25 INCH       OGLE               IL   PUBLIC

            TIME ESTIMATED BY RADAR.

1245 PM     HAIL             1 ENE SANDWICH          41.65N 88.60W
04/04/2023  M1.00 INCH       DE KALB            IL   PUBLIC

            RELAYED VIA MPING.

1246 PM     HAIL             SANDWICH                41.65N 88.62W
04/04/2023  M2.75 INCH       DE KALB            IL   EMERGENCY MNGR

1248 PM     HAIL             1 E SANDWICH            41.65N 88.60W
04/04/2023  M1.25 INCH       KENDALL            IL   TRAINED SPOTTER

            TRAINED SPOTTER REPORTS HALF DOLLAR HAIL
            EAST OF SANDWICH. TIME ESTIMATED BY RADAR.

1249 PM     HAIL             2 E PLANO               41.66N 88.49W
04/04/2023  M1.00 INCH       KENDALL            IL   PUBLIC

            RELAYED VIA MPING.

1250 PM     HAIL             3 SSW BIG ROCK          41.72N 88.57W
04/04/2023  M1.75 INCH       KENDALL            IL   PUBLIC

            TIME ESTIMATED BY RADAR.

1252 PM     HAIL             PLANO                   41.66N 88.53W
04/04/2023  M1.00 INCH       KENDALL            IL   PUBLIC

            RELAYED VIA MPING.

1254 PM     HAIL             1 NE YORKVILLE          41.66N 88.43W
04/04/2023  M1.00 INCH       KENDALL            IL   PUBLIC

1256 PM     HAIL             2 W WATERMAN            41.77N 88.81W
04/04/2023  M2.00 INCH       DE KALB            IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

1258 PM     HAIL             3 SSE SUGAR GROVE       41.73N 88.41W
04/04/2023  M1.00 INCH       KANE               IL   PUBLIC

            RELAYED VIA MPING.

0100 PM     HAIL             2 WSW MONTGOMERY        41.72N 88.38W
04/04/2023  U1.75 INCH       KENDALL            IL   TRAINED SPOTTER

0100 PM     HAIL             3 W MONTGOMERY          41.72N 88.40W
04/04/2023  M1.25 INCH       KANE               IL   PUBLIC

0100 PM     TSTM WND GST     5 NNE SHABBONA          41.84N 88.85W
04/04/2023  M50 MPH          DE KALB            IL   MESONET

            WEATHER STATION AT ILLINOIS AGRONOMY
            RESEARCH STATION RECORDED 50 MPH GUST.

0100 PM     HAIL             KANEVILLE               41.84N 88.52W
04/04/2023  M1.75 INCH       KANE               IL   TRAINED SPOTTER

            GOLFBALL HAIL NEAR MAIN AND HARTER ROAD IN
            KANEVILLE. TIME ESTIMATED BY RADAR.

0100 PM     HAIL             1 SW YORKVILLE          41.63N 88.46W
04/04/2023  M1.50 INCH       KENDALL            IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0100 PM     HAIL             ROCKTON                 42.45N 89.07W
04/04/2023  M1.50 INCH       WINNEBAGO          IL   TRAINED SPOTTER

0100 PM     HAIL             YORKVILLE               41.68N 88.44W
04/04/2023  M1.75 INCH       KENDALL            IL   AMATEUR RADIO

0101 PM     HAIL             3 NW OSWEGO             41.71N 88.40W
04/04/2023  M1.00 INCH       KENDALL            IL   PUBLIC

            RELAYED VIA MPING.

0103 PM     HAIL             3 SE BIG ROCK           41.74N 88.50W
04/04/2023  M1.75 INCH       KANE               IL   PUBLIC

            RELAYED VIA MPING.

0103 PM     HAIL             2 NNW OSWEGO            41.70N 88.37W
04/04/2023  M1.00 INCH       KENDALL            IL   PUBLIC

            RELAYED VIA MPING.

0103 PM     HAIL             MONTGOMERY              41.73N 88.34W
04/04/2023  M1.75 INCH       KANE               IL   TRAINED SPOTTER

            CORRECTS TIME FOR PREVIOUS HAIL REPORT FROM
            MONTGOMERY. HAIL UP TO GOLF BALL SIZE, FOR
            PAST 5 MINUTES.

0104 PM     HAIL             OSWEGO                  41.68N 88.36W
04/04/2023  U1.25 INCH       KENDALL            IL   PUBLIC

0104 PM     HAIL             1 NE OSWEGO             41.70N 88.34W
04/04/2023  M2.00 INCH       KENDALL            IL   PUBLIC

            TIME ESTIMATED FROM RADAR.

0104 PM     HAIL             BOULDER HILL            41.71N 88.34W
04/04/2023  M2.50 INCH       KENDALL            IL   PUBLIC

            HAIL UP TO GOLF BALL SIZE IN BOULDER HILL.
            DAMAGE TO WINDOWS OF CAR. TIME ESTIMATED BY
            RADAR.

0104 PM     HAIL             2 NNW OSWEGO            41.70N 88.37W
04/04/2023  M3.00 INCH       KENDALL            IL   PUBLIC

            DOLORES STREET AND CHARLES COURT IN OSWEGO.
            VIA TWITTER.

0106 PM     HAIL             1 WNW BOULDER HILL      41.72N 88.35W
04/04/2023  M2.00 INCH       KENDALL            IL   TRAINED SPOTTER

            HAIL UP TO 2 INCH DIAMETER NEAR IL-25 AND
            BOULDER HILL PASS. TIME ESTIMATED BY RADAR.

0107 PM     HAIL             1 NE ELBURN             41.90N 88.47W
04/04/2023  M1.50 INCH       KANE               IL   PUBLIC

            TIME ESTIMATED BY RADAR.

0107 PM     HAIL             2 E BOULDER HILL        41.71N 88.29W
04/04/2023  M1.25 INCH       KENDALL            IL   TRAINED SPOTTER

            HAIL DAMAGE TO NUMEROUS VEHICLES NEAR 2300
            US34 IN OSWEGO. TIME ESTIMATED BY RADAR.

0107 PM     HAIL             3 WNW AURORA            41.77N 88.37W
04/04/2023  M2.00 INCH       KANE               IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0107 PM     HAIL             BOULDER HILL            41.72N 88.34W
04/04/2023  M2.75 INCH       KENDALL            IL   TRAINED SPOTTER

            DELAYED REPORT. BRIARCLIFF ROAD AND US 30 IN
            MONTGOMERY.

0108 PM     HAIL             1 SE AURORA             41.75N 88.30W
04/04/2023  U1.50 INCH       KANE               IL   PUBLIC

            REPORTED AT EAST AURORA HIGH SCHOOL.

0108 PM     HAIL             3 ESE BOULDER HILL      41.70N 88.29W
04/04/2023  M2.00 INCH       KENDALL            IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0109 PM     HAIL             3 SE AURORA             41.73N 88.28W
04/04/2023  M1.75 INCH       KANE               IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0110 PM     HAIL             6 ESE BOULDER HILL      41.69N 88.22W
04/04/2023  M1.50 INCH       WILL               IL   EMERGENCY MNGR

            TIME ESTIMATED BY RADAR.

0110 PM     HAIL             2 W AURORA              41.75N 88.35W
04/04/2023  M1.75 INCH       KANE               IL   PUBLIC

            REPORTED AT AURORA UNIVERSITY.

0111 PM     HAIL             2 SW NORTH AURORA       41.79N 88.35W
04/04/2023  M1.50 INCH       KANE               IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0113 PM     HAIL             3 WSW NAPERVILLE        41.75N 88.19W
04/04/2023  M1.25 INCH       DUPAGE             IL   TRAINED SPOTTER

0114 PM     HAIL             1 ESE CAMPTON HILLS     41.93N 88.38W
04/04/2023  M1.75 INCH       KANE               IL   PUBLIC

            GOLD BALL HAIL NEAR IL64 AND DEAN. TIME
            ESTIMATED BY RADAR.

0115 PM     HAIL             3 E NORTH AURORA        41.81N 88.26W
04/04/2023  E1.50 INCH       DUPAGE             IL   PUBLIC

0115 PM     HAIL             BATAVIA                 41.85N 88.31W
04/04/2023  M1.50 INCH       KANE               IL   CO-OP OBSERVER

0116 PM     MARINE TSTM WIND 3 NE NAVY PIER          41.92N 87.57W
04/04/2023  M84 MPH          LMZ741             IL   C-MAN STATION

            MEASURED AT THE HARRISON-DEVER CRIB.

0118 PM     HAIL             1 ENE HAMPSHIRE         42.11N 88.51W
04/04/2023  U1.75 INCH       KANE               IL   PUBLIC

0119 PM     HAIL             2 W WARRENVILLE         41.82N 88.20W
04/04/2023  M1.75 INCH       DUPAGE             IL   PUBLIC

0120 PM     HAIL             5 WNW MACHESNEY PARK    42.37N 89.13W
04/04/2023  M1.00 INCH       WINNEBAGO          IL   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

0120 PM     HAIL             BATAVIA                 41.85N 88.31W
04/04/2023  M1.75 INCH       KANE               IL   TRAINED SPOTTER

            TIME ESTIMATED BY RADAR.

0120 PM     HAIL             1 SSW GENEVA            41.88N 88.31W
04/04/2023  M1.00 INCH       KANE               IL   PUBLIC

            QUARTER SIZE HAIL REPORTED AT THE KANE
            COUNTY GOVERNMENT CENTER. TIME ESTIMATED BY
            RADAR.

0121 PM     HAIL             1 NW ST. CHARLES        41.93N 88.33W
04/04/2023  M1.25 INCH       KANE               IL   PUBLIC

0125 PM     HAIL             1 NE WINFIELD           41.88N 88.15W
04/04/2023  M0.75 INCH       DUPAGE             IL   TRAINED SPOTTER

0128 PM     HAIL             2 SE NORTH AURORA       41.79N 88.30W
04/04/2023  M1.50 INCH       KANE               IL   PUBLIC

            APPROXIMATELY 1 MILE SOUTHWEST OF I-88 AND
            FARNSWORTH. VIA TWITTER.

0129 PM     HAIL             ROCKTON                 42.45N 89.07W
04/04/2023  M1.00 INCH       WINNEBAGO          IL   PUBLIC

0130 PM     HAIL             WHEATON                 41.86N 88.10W
04/04/2023  U1.00 INCH       DUPAGE             IL   PUBLIC

0131 PM     HAIL             1 E ALGONQUIN           42.16N 88.27W
04/04/2023  M1.00 INCH       MCHENRY            IL   PUBLIC

0132 PM     HAIL             GLEN ELLYN              41.88N 88.07W
04/04/2023  U1.00 INCH       DUPAGE             IL   PUBLIC

0132 PM     HAIL             2 WNW AURORA            41.76N 88.35W
04/04/2023  E2.50 INCH       KANE               IL   PUBLIC

            NEAR WEST AURORA HIGH SCHOOL.

0132 PM     HAIL             2 SE WHEATON            41.84N 88.07W
04/04/2023  M1.50 INCH       DUPAGE             IL   TRAINED SPOTTER

            PING PONG BALL SIZED HAIL AT COLLEGE OF
            DUPAGE.

0139 PM     HAIL             SOUTH BELOIT            42.49N 89.04W
04/04/2023  M1.00 INCH       WINNEBAGO          IL   PUBLIC

0140 PM     HAIL             1 NW VILLA PARK         41.90N 87.99W
04/04/2023  M1.00 INCH       DUPAGE             IL   COCORAHS

0149 PM     TSTM WND GST     1 NNW WESTCHESTER       41.86N 87.89W
04/04/2023  M69 MPH          COOK               IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 69 MPH GUST
            FROM THE WEST.

0150 PM     TSTM WND GST     4 SSW POPLAR GROVE      42.32N 88.83W
04/04/2023  M85 MPH          BOONE              IL   BROADCAST MEDIA

            MEASURED ON PERSONAL WEATHER STATION
            KILPOPLA17. SEVERAL LARGE TREES IN THE AREA
            UPROOTED OR DAMAGED, FASCIA PEELED OFF OF
            HOUSES, AND A SHED BLOWN OFF OF ITS
            FOUNDATION. RELAYED VIA WREX.

0150 PM     HAIL             2 WNW BARTLETT          42.00N 88.23W
04/04/2023  M1.75 INCH       COOK               IL   PUBLIC

            GOLFBALL HAIL REPORTED NEAR IVORY LANE AND
            SPAULDING ROAD. TIME ESTIMATED BY RADAR.

0151 PM     HAIL             BARTLETT                41.99N 88.19W
04/04/2023  M1.00 INCH       COOK               IL   PUBLIC

            TIME ESTIMATED BY RADAR.

0152 PM     TSTM WND DMG     1 NNE WESTCHESTER       41.86N 87.88W
04/04/2023                   COOK               IL   EMERGENCY MNGR

            CORRECTS TIME OF PREVIOUS REPORT FROM 1 NNE
            WESTCHESTER. A FEW TREES UPROOTED AND ONE
            TREE LEANING ON A GARAGE IN WESTCHESTER.
            TIME ESTIMATED BY RADAR.

0153 PM     HAIL             FRANKLIN PARK           41.93N 87.88W
04/04/2023  M1.00 INCH       COOK               IL   TRAINED SPOTTER

            NEAR GRAND AND MANNHEIM ROADS.

0154 PM     TSTM WND DMG     OAK PARK                41.89N 87.79W
04/04/2023                   COOK               IL   TRAINED SPOTTER

            NUMEROUS TREES UPROOTED, WINDOWS BLOWN OUT
            NEAR LAKE STREET AND OAK PARK AVENUE IN OAK
            PARK. TIME ESTIMATED BY RADAR.

0155 PM     HAIL             NORRIDGE                41.96N 87.81W
04/04/2023  E1.50 INCH       COOK               IL   TRAINED SPOTTER

0155 PM     TSTM WND DMG     1 NW RIVER FOREST       41.90N 87.83W
04/04/2023                   COOK               IL   BROADCAST MEDIA

            PHOTO SHOWS LARGE BRANCH SNAPPED, BLOCKING
            THATCHER AVENUE SOUTH OF NORTH AVENUE IN
            RIVER FOREST.

0158 PM     HAIL             PORTAGE PARK - CHICAGO  41.95N 87.75W
04/04/2023  U1.25 INCH       COOK               IL   PUBLIC

            CORRECTS TIME OF PREVIOUS HAIL REPORT FROM
            PORTAGE PARK - CHICAGO.

0158 PM     HAIL             2 S MOUNT PROSPECT      42.03N 87.94W
04/04/2023  E1.00 INCH       COOK               IL   PUBLIC

0200 PM     HAIL             1 SE ALBANY PARK - CHIC 41.96N 87.71W
04/04/2023  U1.25 INCH       COOK               IL   PUBLIC

0200 PM     TSTM WND DMG     1 SSW HERMOSA - CHICAGO 41.91N 87.74W
04/04/2023                   COOK               IL   FIRE DEPT/RESCUE

            CHICAGO FIRE DEPT REPOTS VIA SOCIAL MEDIA
            ROOF DAMAGE NEAR GRAND AVENUE AND NORTH
            AVENUE. TIME ESTIMATED BY RADAR.

0201 PM     HAIL             1 N NORWOOD PARK - CHIC 42.00N 87.80W
04/04/2023  U1.00 INCH       COOK               IL   PUBLIC

0201 PM     TSTM WND DMG     HUMBOLDT PARK - CHICAGO 41.90N 87.72W
04/04/2023                   COOK               IL   FIRE DEPT/RESCUE

            CHICAGO FIRE DEPT REPOTS VIA SOCIAL MEDIA
            ROOF DAMAGE NEAR GRAND AVENUE AND DIVISION
            STREET. TIME ESTIMATED BY RADAR.

0202 PM     HAIL             EDISON PARK - CHICAGO   42.01N 87.81W
04/04/2023  E1.50 INCH       COOK               IL   EMERGENCY MNGR

            TIME ESTIMATED FROM RADAR.

0202 PM     HAIL             2 SE NILES              42.01N 87.79W
04/04/2023  M1.75 INCH       COOK               IL   TRAINED SPOTTER

            GOLF BALL HAIL REPORTED IN FAR NORTHWEST
            CHICAGO. TIME ESTIMATED BY RADAR.

0203 PM     HAIL             1 NE NORTH PARK - CHICA 41.99N 87.71W
04/04/2023  M1.25 INCH       COOK               IL   PUBLIC

            MOST HAILSTONES WERE CLOSER TO NICKEL SIZE,
            BUT LARGEST HAILSTONES WERE ROUGHLY 1.25
            INCHES IN DIAMETER.

0204 PM     TSTM WND DMG     1 SE LOGAN SQUARE - CHI 41.91N 87.68W
04/04/2023                   COOK               IL   PUBLIC

            PHOTO SHARED TO SOCIAL MEDIA SHOWS LARGE
            BRANCHES DOWNED ON CARS IN WICKER PARK AREA
            OF CHICAGO. REPORT INDICATES THAT WIND LAST
            JUST 30 SECONDS IN AN AREA OF NO RAINFALL.
            TIME ESTIMATED BY RADAR.

0204 PM     HAIL             JEFFERSON PARK - CHICAG 41.98N 87.77W
04/04/2023  M1.50 INCH       COOK               IL   PUBLIC

            5600 BLOCK OF WEST BRYN MAWR AVE.

0205 PM     TSTM WND DMG     1 ENE LOGAN SQUARE - CH 41.93N 87.68W
04/04/2023                   COOK               IL   PUBLIC

            ROOFING MATERIAL PEELED OFF OF VIENNA
            FACTORY AND DEPOSITED INTO THE CHICAGO
            RIVER. TIME ESTIMATED FROM RADAR.

0205 PM     HAIL             1 SSW EVANSTON          42.03N 87.70W
04/04/2023  M1.00 INCH       COOK               IL   PUBLIC

            QUARTER SIZE HAIL NEAR OAKTON AND DODGE.
            TIME ESTIMATED BY RADAR.

0206 PM     TSTM WND DMG     1 SE LINCOLN PARK - CHI 41.91N 87.64W
04/04/2023                   COOK               IL   FIRE DEPT/RESCUE

            CHICAGO FIRE DEPT REPOTS VIA SOCIAL MEDIA
            ROOF DAMAGE NEAR NORTH AVENUE AND WELLS
            STREET. TIME ESTIMATED BY RADAR.

0206 PM     HAIL             1 NNE WEST RIDGE - CHIC 42.01N 87.69W
04/04/2023  M1.00 INCH       COOK               IL   PUBLIC

            QUARTER SIZE HAIL IN WEST RIDGE AREA OF
            CHICAGO. TIME ESTIMATED BY RADAR.

0207 PM     HAIL             SKOKIE                  42.03N 87.73W
04/04/2023  M1.00 INCH       COOK               IL   PUBLIC

            CORRECTS TIME OF PREVIOUS HAIL REPORT FROM
            SKOKIE. RELAYED VIA TWITTER.

0207 PM     TSTM WND DMG     LAKEVIEW - CHICAGO      41.95N 87.66W
04/04/2023                   COOK               IL   PUBLIC

            PHOTO SHARED ON SOCIAL MEDIA SHOWED A TREE
            ROUGHLY 1 FOOT IN DIAMETER TREE SNAPPED AT
            BASE AND DOWNED ON CAR. TIME ESTIMATED BY
            RADAR.

0207 PM     HAIL             ROGERS PARK - CHICAGO   42.01N 87.67W
04/04/2023  M1.25 INCH       COOK               IL   TRAINED SPOTTER

            HALF DOLLAR SIZE HAIL REPORTED IN ROGERS
            PARK COMMUNITY AREA OF CHICAGO. TIME
            ESTIMATED BY RADAR.

0208 PM     HAIL             1 SSW EVANSTON          42.04N 87.70W
04/04/2023  M1.50 INCH       COOK               IL   PUBLIC

            HAIL DENTED ROOFS AND CARS.

0209 PM     TSTM WND GST     2 ENE GARFIELD PARK - C 41.89N 87.69W
04/04/2023  M57 MPH          COOK               IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 57 MPH WIND
            GUST FROM THE NORTH.

0209 PM     HAIL             PARK RIDGE              42.01N 87.84W
04/04/2023  M1.75 INCH       COOK               IL   PUBLIC

            CUMBERLAND AND TOUHY.

0210 PM     HAIL             2 SW GLENVIEW           42.06N 87.84W
04/04/2023  U1.00 INCH       COOK               IL   PUBLIC

0210 PM     HAIL             1 E EVANSTON            42.04N 87.68W
04/04/2023  M1.00 INCH       COOK               IL   COCORAHS

            TIME ESTIMATED FROM RADAR.

0210 PM     HAIL             HARWOOD HEIGHTS         41.97N 87.81W
04/04/2023  M1.75 INCH       COOK               IL   TRAINED SPOTTER

0211 PM     HAIL             2 NE ROSCOE             42.43N 88.98W
04/04/2023  M1.00 INCH       WINNEBAGO          IL   PUBLIC

            VIA TWITTER.

0212 PM     HAIL             1 W ARLINGTON HEIGHTS   42.08N 87.99W
04/04/2023  E1.50 INCH       COOK               IL   PUBLIC

0214 PM     HAIL             1 SE NORTHFIELD         42.08N 87.76W
04/04/2023  M1.50 INCH       COOK               IL   PUBLIC

            MOST HAILSTONES WERE ROUGHLY PENNY SIZE,
            THOUGH THE LARGEST WERE MEASURED TO BE ABOUT
            1.5 INCHES IN DIAMETER.

0215 PM     HEAVY RAIN       2 ESE ROCKTON           42.45N 89.04W
04/04/2023  M1.73 INCH       WINNEBAGO          IL   PUBLIC

            MOST RAIN OCCURRED IN ABOUT 30 MINUTES.

0218 PM     HAIL             1 ENE PALATINE          42.12N 88.02W
04/04/2023  E1.75 INCH       COOK               IL   PUBLIC

            MULTIPLE REPORTS OF HAIL QUARTER TO GOLF
            BALL SIZE IN PALATINE. RELAYED VIA MPING.

0218 PM     HAIL             1 E PALATINE            42.11N 88.02W
04/04/2023  E1.50 INCH       COOK               IL   PUBLIC

            ALMOST GOLF BALL SIZE. NEAR PALATINE AND
            ROHLWING ROADS. HAIL ENDED.

0219 PM     HAIL             1 NW GLENCOE            42.14N 87.77W
04/04/2023  U1.00 INCH       COOK               IL   PUBLIC

0222 PM     HAIL             1 ESE WHEELING          42.13N 87.91W
04/04/2023  U1.00 INCH       COOK               IL   PUBLIC

0229 PM     HAIL             1 SSE RIVERWOODS        42.16N 87.89W
04/04/2023  U1.50 INCH       LAKE               IL   PUBLIC

            RELAYED VIA MPING.

0230 PM     HAIL             DEERFIELD               42.17N 87.85W
04/04/2023  M1.50 INCH       LAKE               IL   PUBLIC

0231 PM     HAIL             LINCOLNSHIRE            42.19N 87.91W
04/04/2023  E1.00 INCH       LAKE               IL   PUBLIC

0232 PM     HAIL             BANNOCKBURN             42.20N 87.86W
04/04/2023  E1.75 INCH       LAKE               IL   TRAINED SPOTTER

            HAIL DENTED CARS AND BROKE HEADLIGHTS AND
            TAILLIGHTS.

0233 PM     HAIL             HIGHLAND PARK           42.18N 87.80W
04/04/2023  E1.00 INCH       LAKE               IL   TRAINED SPOTTER

0239 PM     HAIL             1 NNW DEERFIELD         42.18N 87.85W
04/04/2023  M1.50 INCH       LAKE               IL   PUBLIC

            RELAYED VIA MPING.

0239 PM     HAIL             HIGHWOOD                42.20N 87.81W
04/04/2023  M1.50 INCH       LAKE               IL   TRAINED SPOTTER

0240 PM     HAIL             HIGHLAND PARK           42.18N 87.80W
04/04/2023  M1.75 INCH       LAKE               IL   PUBLIC

0745 PM     NON-TSTM WND GST MENDOTA                 41.55N 89.12W
04/04/2023  M50 MPH          LA SALLE           IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 50 MPH
            GUST.

0750 PM     NON-TSTM WND DMG MENDOTA                 41.55N 89.12W
04/04/2023                   LA SALLE           IL   PUBLIC

            TREE AND POWER LINE DAMAGE IN MENDOTA.
            POSSIBLE DAMAGE TO STRUCTURE. RELAYED VIA
            SOCIAL MEDIA.

0809 PM     NON-TSTM WND GST 4 S COMPTON             41.64N 89.09W
04/04/2023  M56 MPH          LEE                IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 56 MPH GUST
            BETWEEN WEST BROOKLYN AND MENDOTA.

0810 PM     NON-TSTM WND GST 3 N LELAND              41.66N 88.80W
04/04/2023  M66 MPH          DE KALB            IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 66 MPH WIND
            GUST NORTH OF LELAND.

0824 PM     NON-TSTM WND GST 3 E WATERMAN            41.77N 88.71W
04/04/2023  M48 MPH          DE KALB            IL   PUBLIC

            PRIVATE WEATHER STATION RECORDED 48 MPH
            GUST.

0933 PM     NON-TSTM WND DMG ROUND LAKE BEACH        42.37N 88.09W
04/04/2023                   LAKE               IL   FIRE DEPT/RESCUE

            TREE FELL ONTO A HOUSE CAUSING ITS ROOF TO
            COLLAPSE INTO THE HOME. TIME ESTIMATED BASED
            ON TORD VELOCITY DATA.

&&

Special weather statement, Apr 5, 4:17 AM CST, 45 minutes before

Special Weather Statement
National Weather Service Chicago/Romeoville
517 AM CDT Wed Apr 5 2023

ILZ013-020-103>108-INZ001-051045-
Eastern Will IL-Southern Cook IL-DuPage IL-Northern Cook IL-
Southern Will IL-Kendall IL-Central Cook IL-Northern Will IL-Lake IN-
517 AM CDT Wed Apr 5 2023

...Strong thunderstorms will impact portions of east central Kendall,
central Will, southeastern DuPage, Cook and northwestern Lake
Counties through 545 AM CDT...

At 517 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Shorewood to near University Park.
Movement was northeast at 60 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Chicago, Joliet, Naperville, Cicero, Hammond, Gary, Evanston,
Bolingbrook, Skokie, Orland Park, Tinley Park, Oak Lawn, Berwyn, Oak
Park, Downers Grove, Elmhurst, Romeoville, Plainfield, Calumet City
and Woodridge.

Including the following interstates...
 I-55 between mile markers 251 and 294.
 I-57 between mile markers 332 and 358.
 I-80 between mile markers 127 and 155.
 I-88 near mile marker 132, and between mile markers 135 and 140.
 I-90 between mile markers 82 and 107.
 I-94 between mile markers 40 and 74.
 I-290 between mile markers 15 and 29.
 I-294 between mile markers 40 and 74.
 I-355 between mile markers 1 and 18, and near mile marker 21.
 Indiana I-80 between mile markers 1 and 5.
 Indiana I-90 between mile markers 1 and 12.

This includes...  Argonne National Laboratory, Brookfield Zoo,
Lincoln Park Zoo, Loyola University, Purdue University Northwest
Hammond, SeatGeek Stadium, Triton College, University of Chicago,
University of St. Francis, Windy City Thunderbolts Baseball,
Chicagoland Speedway...Route 66 Raceway, Hollywood Casino
Amphitheatre, Governors State University, Hawthorne Park, Joliet
Junior College, Joliet Slammers Baseball, Lewis University, Moraine
Valley Community College, Northeastern Illinois University,
Northwestern University, Prairie State College, Soldier Field, South
Suburban College, University of Illinois Chicago, Guaranteed Rate
Field...IL Institute of Technology, Wrigley Field, The Loop, Museum
of Science and Industry, Museum Campus, and Northerly Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for
northeastern Illinois...and northwestern Indiana.

&&

LAT...LON 4134 8766 4154 8839 4208 8768 4198 8765
      4196 8763 4196 8764 4190 8762 4190 8760
      4185 8761 4176 8756 4175 8753 4171 8753
      4167 8747 4168 8743 4164 8743 4163 8735
TIME...MOT...LOC 1017Z 233DEG 62KT 4156 8823 4141 8769

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

Carlaw

Local storm report, Apr 5, 4:31 AM CST, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
531 AM CDT WED APR 5 2023

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

0520 AM     TSTM WND GST     VALPARAISO AIRPORT      41.45N 87.01W
04/05/2023  M61 MPH          PORTER             IN   ASOS

&&

Special weather statement, Apr 5, 4:47 AM CST, 15 minutes before

Special Weather Statement
National Weather Service Chicago/Romeoville
547 AM CDT Wed Apr 5 2023

ILZ104-051100-
Central Cook IL-
547 AM CDT Wed Apr 5 2023

...A strong thunderstorm will impact portions of east central Cook
County through 600 AM CDT...

At 547 AM CDT, Doppler radar was tracking a strong thunderstorm over
Cicero, moving northeast at 60 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Chicago, Cicero, Berwyn, Oak Park, West Town, Austin, Chicago Loop,
South Lawndale, Lake View, Irving Park, Lincoln Park, West Ridge,
Bridgeport, Melrose Park, Maywood, Brookfield, Westchester, Summit,
Navy Pier and Belmont Cragin.

Including the following interstates...
 I-55 between mile markers 282 and 290.
 I-94 between mile markers 44 and 53.
 I-290 between mile markers 18 and 29.
 I-294 between mile markers 44 and 53.

This includes...  Brookfield Zoo, Lincoln Park Zoo, Loyola
University, Hawthorne Park, Northeastern Illinois University,
University of Illinois Chicago, Wrigley Field, and The Loop.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for
northeastern Illinois.

&&

LAT...LON 4197 8765 4196 8763 4196 8764 4195 8763
      4194 8764 4193 8763 4192 8763 4191 8762
      4190 8762 4189 8761 4187 8762 4187 8761
      4177 8781 4186 8790 4202 8766
TIME...MOT...LOC 1047Z 230DEG 53KT 4184 8777

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Carlaw

The radar

The Chicago radar (KLOT), 92 km away, was scanning. The volume nearest the first event began at 11:01 UTC.

Open the radar archive at this moment

Event by event

15 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Lee

When: April 5, 5:02 AM CST
Where: Lee County, 2.1 mi W of West Brooklyn
Measured: 60 kt (69 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.686, -89.190

A utility pole was snapped at its base.

Thunderstorm Wind, Lee

When: April 5, 5:02 AM CST
Where: Lee County, 1.79 mi W of West Brooklyn
Measured: 60 kt (69 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.692, -89.185

A wall of a large farm shed collapsed.

Thunderstorm Wind, Lee

When: April 5, 5:03 AM CST
Where: Lee County, 1.75 mi N of West Brooklyn
Measured: 60 kt (69 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.715, -89.151

Debris from a farm outbuilding roof was blown into a field.

Thunderstorm Wind, Lee

When: April 5, 5:03 AM CST
Where: Lee County, 0.38 mi SW of West Brooklyn
Measured: 60 kt (69 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.687, -89.156

A garage and house suffered roof damage consisting of shingles being torn off. A grain structure also collapsed.

Thunderstorm Wind, Lee

When: April 5, 5:04 AM CST
Where: Lee County, 4.18 mi S of The Burg
Measured: 69 kt (79 mph) measured gust
Reported by: Mesonet
Coordinates: 41.640, -89.090

Thunderstorm Wind, Lee

When: April 5, 5:04 AM CST
Where: Lee County, 1.25 mi N of West Brooklyn
Measured: 60 kt (69 mph) estimated gust
Reported by: 911 Call Center
Coordinates: 41.708, -89.147

Three utility poles were snapped in the vicinity of Shaw and Brooklyn Roads.

Thunderstorm Wind, Lee

When: April 5, 5:09 AM CST
Where: Lee County, 1.63 mi N of The Burg
Measured: 55 kt (63 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.724, -89.098

Several tree limbs were blown down.

Thunderstorm Wind, Lee

When: April 5, 5:10 AM CST
Where: Lee County, 1.58 mi SSE of Twelvemile Corner
Measured: 60 kt (69 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.740, -89.065

Most of the roof was blown off of an old wooden barn.

Thunderstorm Wind, Lee

When: April 5, 5:10 AM CST
Where: Lee County, 1.58 mi NE of Compton
Measured: 50 kt (58 mph) estimated gust
Reported by: Emergency Manager
Coordinates: 41.718, -89.062

A utility pole was leaning over.

Thunderstorm Wind, Lee

When: April 5, 5:11 AM CST
Where: Lee County, 0.69 mi N of Paw Paw
Measured: 55 kt (63 mph) estimated gust
Reported by: Public
Coordinates: 41.690, -88.980

A tree was blown down onto a power line.

Thunderstorm Wind, Boone

When: April 5, 5:16 AM CST
Where: Boone County, Poplar Grove Airport
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 42.320, -88.830

Thunderstorm Wind, De Kalb

When: April 5, 5:25 AM CST
Where: De Kalb County, 0.86 mi NE of Dekalb
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 41.940, -88.740

Thunderstorm Wind, De Kalb

When: April 5, 5:29 AM CST
Where: De Kalb County, 0.86 mi SW of Sycamore
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 41.970, -88.690

Thunderstorm Wind, Cook

When: April 5, 5:56 AM CST
Where: Cook County, 2.3 mi WNW of Streamwood
Measured: 60 kt (69 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 42.045, -88.210

Large trees and tree limbs were blown down along Golf Road between Rohrssen Road and Route 59.

Thunderstorm Wind, Cook

When: April 5, 6:03 AM CST
Where: Cook County, 0.69 mi N of Roselle
Measured: 53 kt (61 mph) measured gust
Reported by: Public
Coordinates: 41.990, -88.080

A private weather station measured a wind gust to 61 mph.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Illinois in 2023 Every state in 2023 This day in weather history Warnings in Illinois, April 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1086929, 1086930, 1086927, 1086928, 1086550, 1086559, 1086931, 1086932, 1086933, 1086551, 1086548, 1086547, 1086546, 1086560, 1086549.