Alert archive / Illinois / Tornado Warnings in 2000

Tornado Warning 14, NWS Chicago, IL

May 18, 2000Ford County, Livingston County, Illinois

NWS Chicago, IL issued this tornado warning at May 18, 2000, 6:01 PM CDT for Ford County, Livingston County, Illinois. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 18, 2000, 6:01 PM CDT (23:01 UTC)
Expired
May 18, 2000, 6:45 PM CDT
In force
44 min
Issued by
NWS Chicago, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Ford County, IL, Livingston County, IL

The radar

The Chicago radar (KLOT), 86 km from the middle of the area, began a volume at 23:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 18, 3:00 PM CDTTornado WatchSPC6 hr
May 18, 6:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 82 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2000-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 557 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2000-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
557 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
1218 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KLOT 182303
TORCHI
ILC053-105-182345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
601 PM CDT THU MAY 18 2000

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LIVINGSTON COUNTY IN CENTRAL ILLINOIS
  NORTHERN FORD COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 645 PM CDT

* AT 601 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 4 MILES WEST OF
  SAUNEMIN...OR ABOUT 8 MILES EAST OF PONTIAC...MOVING EAST AT 30 MPH.
  THIS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS THREATENED THROUGH 645 PM CDT INCLUDE
  SAUNEMIN
  CABERY

THIS IS A DANGEROUS STORM. MOVE INTO YOUR TORNADO SHELTER NOW!

LAT...LON 4080 8861 4079 8814 4100 8816 4098 8861

NNNN

What forecasters said that day

The local office's own words before this tornado warning went out, 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 this tornado warning went out at May 18, 2:50 PM CDT, 3 hours 11 minutes earlier.

Area forecast discussion, May 18, 2:50 PM CDT, 3 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO IL
250 PM CDT THU MAY 18 2000

UPPERR/SURFACE LOW OVER EASTERN IOWA AND SURFACE WARM FRONT EAST-SOUTHEAST
THROUGH LASALLE COUNTY TO KANKAKEE COUNTY FORMING FOCUS OF POTENTIAL
SEVERE WEATHER THIS EVENING. COLDER AIR IN NORTHERN ILLINOIS NORTH
OF FRONT SHOULD PROTECT THE AREA FROM THE WORST. ELEVATED
THUNDERSTORMS IN THIS AREA WITH A LOT OF HAIL HAVE BEEN THE PROBLEM
THROUGH THE AFTERNOON AND WILL PROBABLY CONTINUE AT LEAST INTO THE
EARLY EVENING.

SEVERE WEATHER HAS SLOWED THE PROCESS OF LOOKING AT MUCH PAST THIS
EVENING.

.CHI...NONE

SOMREK

In the hours before

Local storm report, May 18, 2:48 PM CDT, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
248 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE             4     IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.
Local storm report, May 18, 4:08 PM CDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
408 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE                  IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0319 PM    CARPENTERSVILLE           IL   73 MPH TSTM GUST
05/18/00   KANE                           REPORTED BY STORM
                                          SPOTTER.

0319 PM    5 W CARPENTERSVILLE       IL   .75 INCH HAIL
05/18/00   KANE                           REPORTED BY EMERGENCY
                                          MANAGEMENT ON HUNTLEY
                                          ROAD.

0328 PM    CRYSTAL LAKE              IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0338 PM    ARLINGTON HGTS            IL   75 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY RETIRED NWS
                                          EMPLOYEE. ALSO REPORTED
                                          EXTENSIVE TREE DAMAGE.

0342 PM    WHEELING                  IL   84 MPH TSTM GUST
05/18/00   COOK                           MEASURED AT PAULWAUKEE
                                          AIRPORT (PWK).

0342 PM    WHEELING                  IL   70 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

0343 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 22
                                          AND 12.

0347 PM    ARLINGTON HGTS            IL   66 MPH TSTM GUST
05/18/00   COOK                           MEASURED BY STORM
                                          SPOTTER.

0349 PM    2 WSW DEERFIELD           IL   WIND DAMAGE
05/18/00   LAKE                           CANOPY AT DEERFIELD
                                          TOLL PLAZA (I-294/I-94
            k                              JUNCTION) BLOWN OFF.
                                          REPORTED BY ILLINOIS
                                          STATE POLICEL.
Local storm report, May 18, 4:17 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
417 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE                  IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0315 PM    CARY                      IL   1.25 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY PUBLIC.

0319 PM    5 W CARPENTERSVILLE       IL   .75 INCH HAIL
05/18/00   KANE                           REPORTED BY EMERGENCY
                                          MANAGEMENT ON HUNTLEY
                                          ROAD.

0319 PM    CARPENTERSVILLE           IL   73 MPH TSTM GUST
05/18/00   KANE                           REPORTED BY STORM
                                          SPOTTER.

0328 PM    CRYSTAL LAKE              IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0338 PM    ARLINGTON HGTS            IL   75 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY RETIRED NWS
                                          EMPLOYEE. ALSO REPORTED
                                          EXTENSIVE TREE DAMAGE.

0342 PM    WHEELING                  IL   70 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

0342 PM    WHEELING                  IL   84 MPH TSTM GUST
05/18/00   COOK                           MEASURED AT PAULWAUKEE
                                          AIRPORT (PWK).

0343 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 22
                                          AND 12.

0347 PM    ARLINGTON HGTS            IL   66 MPH TSTM GUST
05/18/00   COOK                           MEASURED BY STORM
                                          SPOTTER.

0349 PM    2 WSW DEERFIELD           IL   WIND DAMAGE
05/18/00   LAKE                           CANOPY AT DEERFIELD
                                          TOLL PLAZA (I-294/I-94
                                          JUNCTION) BLOWN OFF.
                                          REPORTED BY ILLINOIS
                                          STATE POLICE.

0350 PM    PALATINE                  IL   TORNADO
05/18/00   COOK                           REPORTED BY PUBLIC.

0400 PM    DIXON                     IL   WIND DAMAGE
05/18/00   LEE                            TREE BLOWN DOWN.
                                          REPORTED BY COUNTY
                                          SHERIFF.
Local storm report, May 18, 5:01 PM CDT, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
501 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE                  IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0310 PM    HAMPSHIRE                 IL   WIND DAMAGE
05/18/00   KANE                           POWER LINES AND TREES
                                          DOWN. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0315 PM    CARY                      IL   1.25 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY PUBLIC.

0315 PM    PINGREE GROVE             IL   WIND DAMAGE
05/18/00   KANE                           BARN COLLAPSED.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0319 PM    5 W CARPENTERSVILLE       IL   .75 INCH HAIL
05/18/00   KANE                           REPORTED BY EMERGENCY
                                          MANAGEMENT ON HUNTLEY
                                          ROAD.

0319 PM    CARPENTERSVILLE           IL   73 MPH TSTM GUST
05/18/00   KANE                           REPORTED BY STORM
                                          SPOTTER.

0320 PM    SLEEPY HOLLOW             IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0320 PM    ELGIN                     IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0328 PM    CRYSTAL LAKE              IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0328 PM    MENDOTA                   IL   .88 INCH HAIL
05/18/00   LASALLE                        REPORTED BY STORM
                                          SPOTTER.

0330 PM    BUFFALO GROVE             IL   WIND DAMAGE
05/18/00   LAKE                           TREES DOWN. REPORTED BY
                                          COOPERATIVE OBSERVER.

0338 PM    ARLINGTON HGTS            IL   75 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY RETIRED NWS
                                          EMPLOYEE. ALSO REPORTED
                                          EXTENSIVE TREE DAMAGE.

0340 PM    HALFDAY                   IL   1.25 INCH HAIL
05/18/00   LAKE                           HAIL 3 INCHES DEEP ON
                                          GROUND. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0342 PM    WHEELING                  IL   84 MPH TSTM GUST
05/18/00   COOK                           MEASURED AT PAULWAUKEE
                                          AIRPORT (PWK).

0342 PM    WHEELING                  IL   70 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

0343 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 22
                                          AND 12.

0345 PM    NORTHBROOK                IL   71 MPH TSTM GUST
05/18/00   COOK                           MEASURED WIND GUST.
                                          TREES DOWN BLOCKING
                                          ROADS. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0345 PM    NORTHBROOK                IL   WIND DAMAGE
05/18/00   COOK                           TREES DOWN...WINDOWS
                                          BLOWN OUT...TOWER BLOWN
                                          OVER AT ALLSTATE
                                          CAMPUS. REPORTED BY
                                          EX-NWS EMPLOYEE.

0347 PM    ARLINGTON HGTS            IL   66 MPH TSTM GUST
05/18/00   COOK                           MEASURED BY STORM
                                          SPOTTER.

0349 PM    2 WSW DEERFIELD           IL   WIND DAMAGE
05/18/00   LAKE                           CANOPY AT DEERFIELD
                                          TOLL PLAZA (I-294/I-94
                                          JUNCTION) BLOWN OFF.
                                          REPORTED BY ILLINOIS
                                          STATE POLICE.

0350 PM    PALATINE                  IL   TORNADO
05/18/00   COOK                           REPORTED BY PUBLIC.

0400 PM    DIXON                     IL   WIND DAMAGE
05/18/00   LEE                            TREE BLOWN DOWN.
                                          REPORTED BY COUNTY
                                          SHERIFF.

0430 PM    PERU                      IL   TORNADO
05/18/00   LASALLE                        BRIEF TOUCHDOWN NORTH
                                          OF PERU. REPORTED BY
                                          PUBLIC.
Local storm report, May 18, 5:22 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
522 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE                  IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0310 PM    HAMPSHIRE                 IL   WIND DAMAGE
05/18/00   KANE                           POWER LINES AND TREES
                                          DOWN. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0315 PM    CARY                      IL   1.25 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY PUBLIC.

0315 PM    PINGREE GROVE             IL   WIND DAMAGE
05/18/00   KANE                           BARN COLLAPSED.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0319 PM    5 W CARPENTERSVILLE       IL   .75 INCH HAIL
05/18/00   KANE                           REPORTED BY EMERGENCY
                                          MANAGEMENT ON HUNTLEY
                                          ROAD.

0319 PM    CARPENTERSVILLE           IL   73 MPH TSTM GUST
05/18/00   KANE                           REPORTED BY STORM
                                          SPOTTER.

0320 PM    SLEEPY HOLLOW             IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0320 PM    ELGIN                     IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0328 PM    CRYSTAL LAKE              IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0328 PM    MENDOTA                   IL   .88 INCH HAIL
05/18/00   LASALLE                        REPORTED BY STORM
                                          SPOTTER.

0330 PM    BUFFALO GROVE             IL   WIND DAMAGE
05/18/00   LAKE                           TREES DOWN. REPORTED BY
                                          COOPERATIVE OBSERVER.

0338 PM    ARLINGTON HGTS            IL   75 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY RETIRED NWS
                                          EMPLOYEE. ALSO REPORTED
                                          EXTENSIVE TREE DAMAGE.

0340 PM    HALFDAY                   IL   1.25 INCH HAIL
05/18/00   LAKE                           HAIL 3 INCHES DEEP ON
                                          GROUND. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0342 PM    WHEELING                  IL   84 MPH TSTM GUST
05/18/00   COOK                           MEASURED AT PAULWAUKEE
                                          AIRPORT (PWK).

0342 PM    WHEELING                  IL   70 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

0343 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 22
                                          AND 12.

0345 PM    NORTHBROOK                IL   71 MPH TSTM GUST
05/18/00   COOK                           MEASURED WIND GUST.
                                          TREES DOWN BLOCKING
                                          ROADS. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0345 PM    NORTHBROOK                IL   WIND DAMAGE
05/18/00   COOK                           TREES DOWN...WINDOWS
                                          BLOWN OUT...TOWER BLOWN
                                          OVER AT ALLSTATE
                                          CAMPUS. REPORTED BY
                                          EX-NWS EMPLOYEE.

0347 PM    ARLINGTON HGTS            IL   66 MPH TSTM GUST
05/18/00   COOK                           MEASURED BY STORM
                                          SPOTTER.

0349 PM    2 WSW DEERFIELD           IL   WIND DAMAGE
05/18/00   LAKE                           CANOPY AT DEERFIELD
                                          TOLL PLAZA (I-294/I-94
                                          JUNCTION) BLOWN OFF.
                                          REPORTED BY ILLINOIS
                                          STATE POLICE.

0350 PM    PALATINE                  IL   TORNADO
05/18/00   COOK                           REPORTED BY PUBLIC.

0400 PM    DIXON                     IL   WIND DAMAGE
05/18/00   LEE                            TREE BLOWN DOWN.
                                          REPORTED BY COUNTY
                                          SHERIFF.

0430 PM    PERU                      IL   TORNADO
05/18/00   LASALLE                        BRIEF TOUCHDOWN NORTH
                                          OF PERU. REPORTED BY
                                          PUBLIC.

0505 PM    LOSTANT                   IL   TORNADO
05/18/00   LASALLE                        TORNADO IN TOWN.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.
Local storm report, May 18, 5:54 PM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
554 PM CDT THU MAY 18 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1140 AM    STREAMWOOD                IL   1.75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1140 AM    CAROL STREAM              IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1145 AM    WOOD DALE                 IL   1.5 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY STORM
                                          SPOTTER AT THORNDALE
                                          AND WOOD DALE ROADS

1145 AM    1 N WOODSTOCK             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

1145 AM    ITASCA                    IL   1.75 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY PUBLIC.

1147 AM    BLOOMINGDALE              IL   1 INCH HAIL
05/18/00   DUPAGE                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

1157 AM    MORTON GROVE              IL   1.5 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1200 PM    DE KALB                   IL   .88 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER.

1200 PM    NILES                     IL   2.75 INCH HAIL
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

1202 PM    DE KALB                   IL   1 INCH HAIL
05/18/00   DEKALB                         REPORTED BY STORM
                                          SPOTTER AT NIU

1205 PM    DES PLAINES               IL   .75 INCH HAIL
05/18/00   COOK                           REPORTED BY PUBLIC.

1210 PM    DIXON                     IL   1.75 INCH HAIL
05/18/00   LEE                            REPORTED BY PUBLIC.

1243 PM    1 E ALGONQUIN             IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY STORM
                                          SPOTTER 1 MILE NORTH OF
                                          ROUTES 25 AND 62.

1245 PM    BARRINGTON HILLS          IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

1252 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

1257 PM    2 E LAKE ZURICH           IL   1.75 INCH HAIL
05/18/00   LAKE                           VEHICLES DAMAGED
                                          QUENTIN ROAD AND ROUTE
                                          22 REPORTED BY
                                          EMERGENCY MANAGEMENT.

1258 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY STORM
                                          SPOTTER.

0100 PM    LIBERTYVILLE              IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY PUBLIC.

0105 PM    3 NE VERNON HILLS         IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 21
                                          AND 60.

0105 PM    5 E OREGON                IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0110 PM    3 E MARENGO               IL   .75 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0114 PM    2 N LAKE FOREST           IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT WELSEY
                                          AND ROUTE 41.

0115 PM    DAVIS JCT                 IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0121 PM    2 SE WOODSTOCK            IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0126 PM    POLO                      IL   2 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    1 S HOLIDAY HILLS         IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0130 PM    MC HENRY                  IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT 1MILE EAST
                                          OF ROUTE 31.

0133 PM                              IL   1.75 INCH HAIL
05/18/00   BOONE                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL IN
                                          SOUTHERN PART OF COUNTY.

0133 PM    MC HENRY                  IL   .75 INCH HAIL
05/18/00   MCHENRY                        AT STRATTON LOCK AND DAM

0134 PM    9 NW KIRKLAND             IL   1.75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0143 PM    PRAIRIE GROVE             IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0144 PM    WOODSTOCK                 IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 14
                                          AND 47.

0146 PM    OREGON                    IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0155 PM    GRAYSLAKE                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0200 PM    LIBERTYVILLE              IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0205 PM    STILLMAN VLY              IL   .75 INCH HAIL
05/18/00   OGLE                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL ON
                                          ROUTE 72.

0211 PM    MUNDELEIN                 IL   .75 INCH HAIL
05/18/00   LAKE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0215 PM    NORTH CHICAGO             IL   1 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT.

0240 PM    FAIRDALE                  IL   .75 INCH HAIL
05/18/00   DEKALB                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

0310 PM    HAMPSHIRE                 IL   WIND DAMAGE
05/18/00   KANE                           POWER LINES AND TREES
                                          DOWN. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0315 PM    CARY                      IL   1.25 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY PUBLIC.

0315 PM    PINGREE GROVE             IL   WIND DAMAGE
05/18/00   KANE                           BARN COLLAPSED.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0315 PM    6 SE MARENGO              IL   .75 INCH HAIL
05/18/00   MCHENRY                        LEAVES STRIPPED FROM
                                          TREES. REPORTED BY
                                          PUBLIC.

0319 PM    CARPENTERSVILLE           IL   73 MPH TSTM GUST
05/18/00   KANE                           REPORTED BY STORM
                                          SPOTTER.

0319 PM    5 W CARPENTERSVILLE       IL   .75 INCH HAIL
05/18/00   KANE                           REPORTED BY EMERGENCY
                                          MANAGEMENT ON HUNTLEY
                                          ROAD.

0320 PM    ELGIN                     IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0320 PM    SLEEPY HOLLOW             IL   WIND DAMAGE
05/18/00   KANE                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0328 PM    MENDOTA                   IL   .88 INCH HAIL
05/18/00   LASALLE                        REPORTED BY STORM
                                          SPOTTER.

0328 PM    CRYSTAL LAKE              IL   1 INCH HAIL
05/18/00   MCHENRY                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0330 PM    BUFFALO GROVE             IL   WIND DAMAGE
05/18/00   LAKE                           TREES DOWN. REPORTED BY
                                          COOPERATIVE OBSERVER.

0330 PM    NORTHBROOK                IL   WIND DAMAGE
05/18/00   COOK                           NUMEROUS TREES AND
                                          LIMBS DOWN. REPORTED BY
                                          PUBLIC.

0338 PM    ARLINGTON HGTS            IL   75 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY RETIRED NWS
                                          EMPLOYEE. ALSO REPORTED
                                          EXTENSIVE TREE DAMAGE.

0340 PM    HALFDAY                   IL   1.25 INCH HAIL
05/18/00   LAKE                           HAIL 3 INCHES DEEP ON
                                          GROUND. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0342 PM    WHEELING                  IL   84 MPH TSTM GUST
05/18/00   COOK                           MEASURED AT PAULWAUKEE
                                          AIRPORT (PWK).

0342 PM    WHEELING                  IL   70 MPH TSTM GUST
05/18/00   COOK                           REPORTED BY STORM
                                          SPOTTER.

0343 PM    LAKE ZURICH               IL   1.75 INCH HAIL
05/18/00   LAKE                           REPORTED BY EMERGENCY
                                          MANAGEMENT AT ROUTES 22
                                          AND 12.

0345 PM    NORTHBROOK                IL   71 MPH TSTM GUST
05/18/00   COOK                           MEASURED WIND GUST.
                                          TREES DOWN BLOCKING
                                          ROADS. REPORTED BY
                                          EMERGENCY MANAGEMENT.

0345 PM    NORTHBROOK                IL   WIND DAMAGE
05/18/00   COOK                           TREES DOWN...WINDOWS
                                          BLOWN OUT...TOWER BLOWN
                                          OVER AT ALLSTATE
                                          CAMPUS. REPORTED BY
                                          EX-NWS EMPLOYEE.

0345 PM    VERNON HILLS              IL   .75 INCH HAIL
05/18/00   LAKE                           LEAVES STRIPPED FROM
                                          TREES. REPORTED BY
                                          PUBLIC.

0347 PM    ARLINGTON HGTS            IL   66 MPH TSTM GUST
05/18/00   COOK                           MEASURED BY STORM
                                          SPOTTER.

0349 PM    2 WSW DEERFIELD           IL   WIND DAMAGE
05/18/00   LAKE                           CANOPY AT DEERFIELD
                                          TOLL PLAZA (I-294/I-94
                                          JUNCTION) BLOWN OFF.
                                          REPORTED BY ILLINOIS
                                          STATE POLICE.

0350 PM    PALATINE                  IL   TORNADO
05/18/00   COOK                           REPORTED BY PUBLIC.

0400 PM    DIXON                     IL   WIND DAMAGE
05/18/00   LEE                            TREE BLOWN DOWN.
                                          REPORTED BY COUNTY
                                          SHERIFF.

0430 PM    PERU                      IL   TORNADO
05/18/00   LASALLE                        BRIEF TOUCHDOWN NORTH
                                          OF PERU. REPORTED BY
                                          PUBLIC.

0505 PM    LOSTANT                   IL   TORNADO
05/18/00   LASALLE                        TORNADO IN TOWN.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

0518 PM    MILLINGTON                IL   .75 INCH HAIL
05/18/00   LASALLE                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0520 PM    STREATOR                  IL   .75 INCH HAIL
05/18/00   LASALLE                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0525 PM    SANDWICH                  IL   60 MPH TSTM GUST
05/18/00   KENDALL                        AT SANDWICH AIRPORT.
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT.

0529 PM    3 SW YORKVILLE            IL   .75 INCH HAIL
05/18/00   KENDALL                        REPORTED BY EMERGENCY
                                          MANAGEMENT.

0550 PM    SHOREWOOD                 IL   1.75 INCH HAIL
05/18/00   WILL                           I-55 AND I-80. REPORTED
                                          BY STATE POLICE.

0550 PM    ODELL                     IL   TORNADO
05/18/00   LIVI

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 11:41 AM CDTSevere Thunderstorm WarningLOTCook, DuPage34 min
May 18, 11:59 AM CDTSevere Thunderstorm WarningLOTLake, McHenry31 min
May 18, 12:05 PM CDTSevere Thunderstorm WarningLOTDeKalb, Kane, Ogle25 min
May 18, 12:19 PM CDTSevere Thunderstorm WarningLOTLake, McHenry41 min
May 18, 12:19 PM CDTSevere Thunderstorm WarningLOTBoone, Winnebago41 min
May 18, 12:35 PM CDTSevere Thunderstorm WarningLOTLee, Ogle40 min
May 18, 12:58 PM CDTSevere Thunderstorm WarningLOTBoone, Lake, McHenry62 min
May 18, 2:02 PM CDTSevere Thunderstorm WarningLOTLake58 min
May 18, 2:14 PM CDTSevere Thunderstorm WarningLOTBoone, DeKalb, Ogle, Winnebago61 min
May 18, 2:42 PM CDTSevere Thunderstorm WarningLOTMcHenry48 min
May 18, 2:56 PM CDTSevere Thunderstorm WarningLOTKane49 min
May 18, 3:22 PM CDTSevere Thunderstorm WarningLOTCook, Lake53 min
May 18, 3:45 PM CDTSevere Thunderstorm WarningLOTLee60 min
May 18, 4:23 PM CDTSevere Thunderstorm WarningLOTLaSalle67 min
May 18, 5:00 PM CDTSevere Thunderstorm WarningLOTKendall60 min
May 18, 5:07 PM CDTTornado WarningLOTLaSalle23 min
May 18, 5:21 PM CDTTornado WarningLOTLivingston24 min
May 18, 5:29 PM CDTTornado WarningLOTGrundy, LaSalle31 min
May 18, 5:33 PM CDTSevere Thunderstorm WarningLOTWill57 min
May 18, 5:45 PM CDTTornado WarningLOTLivingston30 min
May 18, 5:51 PM CDTTornado WarningLOTKankakee, Will39 min
May 18, 6:13 PM CDTSevere Thunderstorm WarningLOTLivingston32 min
May 18, 6:25 PM CDTSevere Thunderstorm WarningLOTCook35 min
May 18, 6:33 PM CDTTornado WarningLOTFord, Livingston27 min
May 18, 6:36 PM CDTSevere Thunderstorm WarningLOTIroquois, Kankakee39 min
May 18, 6:36 PM CDTSevere Thunderstorm WarningLOTWill39 min

Nearby

Tornado Warnings in Illinois, 2000Every tornado warning in 2000Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.