Alert archive / Illinois / Tornado Warnings in 1987

Tornado Warning 18, NWS Lincoln, IL

June 2, 1987McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 2, 1987, 2:35 PM CDT for McLean County, Illinois. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: Jun 2, 1987, 2:35 PM CDT (19:35 UTC)
Expired: Jun 2, 1987, 3:30 PM CDT
In force: 55 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County McLean County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 12:00Z, 7.6 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 920 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIA 021935
TORPIA
ILC113-022030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE PEORIA IL
235 PM CDT TUE JUN 2 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

CENTRAL ILLINOIS...WESTERN MCLEAN

AT 230 PM CDT THE SHERIFFS DEPARTMENT IN TAZEWELL COUNTY REPORTED
A TORNADO ON THE GROUND 5 MILES NORTHEAST OF MINIER IN SOUTHEAST
TAZEWELL COUNTY.  THIS TORNADO WAS MOVING NORTHEAST INTO MCLEAN
COUNTY.  CITIES IN THE PATH OF THIS STORM ARE DANVERS AND STANFORD
OF WESTERN MCLEAN COUNTY.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE..a.OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

ATTN ISP  DIST 6

NADOLSKI

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.

In the hours before

Local storm report, Jun 2, 9:32 AM CDT, 5 hours 3 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
9 20 AM CDT TUE JUN 2 1987

ADDITIONAL STORM REPORT FOR MONDAY AFTERNOON JUNE 1 1987

TIME              EVENT

1430 PM CDT ......4 TO 5 THOUSAND ACRES OF CORN AND SOYBEANS TOTALLY
JUNE 1 1987 ......DESTROYED BY HAIL 2 TO 4 MILES NORTH NORTHEAST OF
                  DANVILLE ILLINOIS. HAIL COVERED THE GROUND ABOUT
                  2 INCHES DEEP. SOME HAIL AS LARGE AS GOLF BALLS.
                  NEARLY ALL THE LEAVES WERE STRIPPED FROM THE TREES
                  BY THE HAIL. REPORT WAS RECEIVED FROM VERMILION
                  COUNTY EMERGENCY SERVICES AND DISASTER AGENCY.

HUGHES
                   NORTH OF DANVILLE ILLINOIS.

1440 PM CDT........1 INCH HAIL 3 MILES NORTH NORTHEAST OF DANVILLE
                   ILLINOIS AT THE VERMILION COUNTY AIRPORT. SOME
                   CROP AND PROPERTY DAMAGE REPORTED BY EMERGENCY
                   SERVICES.

HUGHES

Local storm report, Jun 2, 9:46 AM CDT, 4 hours 49 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
9 20 AM CDT TUE JUN 2 1987

ADDITIONAL STORM REPORT FOR MONDAY AFTERNOON JUNE 1 1987

TIME              EVENT

1430 PM CDT ......4 TO 5 THOUSAND ACRES OF CORN AND SOYBEANS TOTALLY
JUNE 1 1987 ......DESTROYED BY HAIL 2 TO 4 MILES NORTH NORTHEAST OF
                  DANVILLE ILLINOIS. HAIL COVERED THE GROUND ABOUT
                  2 INCHES DEEP. SOME HAIL AS LARGE AS GOLF BALLS.
                  NEARLY ALL THE LEAVES WERE STRIPPED FROM THE TREES
                  BY THE HAIL. REPORT WAS RECEIVED FROM VERMILION
                  COUNTY EMERGENCY SERVICES AND DISASTER AGENCY.

HUGHES

Special weather statement, Jun 2, 11:46 AM CDT, 2 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1145 AM CDT TUE JUN 2 1987

AT 1140 AM CDT RADAR INDICATED THUNDERSTORMS DEVELOPING RAPIDLY ACROSS
CENTRAL ILLINOIS.

THE STRONGER THUNDERSTORMS WERE LOCATED 10 TO 15 MILES NORTH OF
CHAMPAIGN ...BETWEEN LINCOLN AND SPRINGFIELD...10 MILES WEST
OF JACKSONVILLE...AND 20 MILES SOUTH OF SPRINGFIELD.  THESE STORMS
MAY BE ACCOMPANIED BY STRONG GUSTY WINDS...HAIL...DANGEROUS LIGHTNING
AND VERY HEAVY DOWNPOURS.

THE THUNDERSTORM ACTIVITY WILL LIKELY CONTINUE TO INCREASE AND
INTENSITY DURING THE AFTERNOON HOURS.  PERSONS SHOULD BE ALERT
AND PREPARED TO TAKE NECESSARY PROTECTION IF THREATENING WEATHER
DEVELOPS IN THEIR AREA THIS AFTER6NOON.

HUGHES

Special weather statement, Jun 2, 12:02 PM CDT, 2 hours 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1202 PM CDT TUE JUN 1 1987

NUMEROUS SHOWERS AND THUNDERSTORMS...SOME HEAVY...ARE DEVELOPING
OVER MOST ALL OF ILLINOIS AND ARE EXPECTED TO CONTOINUE INTO
TONIGHT.

THESE STORMS ARE IN ASSOCIATION WITH A SLOW MOVING COLD FRONT
APPROACHING FROM THE WEST.

THE GENERAL MOVEMENT OF THE THUNDERSTORMS IS NORTHEAST ABOUT 30 MPH.

STUMETZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 2:32 AM CDT	Severe Thunderstorm Warning	ILX	DeKalb, Ogle	43 min
Jun 2, 12:19 PM CDT	Severe Thunderstorm Warning	ILX	McDonough	41 min
Jun 2, 12:20 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan	55 min
Jun 2, 12:34 PM CDT	Severe Thunderstorm Warning	ILX	Menard	56 min
Jun 2, 1:03 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	57 min
Jun 2, 1:09 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	55 min
Jun 2, 1:47 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell, Woodford	58 min
Jun 2, 2:00 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	30 min
Jun 2, 2:10 PM CDT	Tornado Warning	ILX	Tazewell	65 min
Jun 2, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Macon	48 min
Jun 2, 2:33 PM CDT	Tornado Warning	ILX	Vermilion	27 min
Jun 2, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard	46 min
Jun 2, 5:55 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Cumberland, Shelby	50 min
Jun 2, 5:55 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	50 min

Nearby

Tornado Warnings in Illinois, 1987 Every tornado warning in 1987 Tornadoes in 1987

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.