Alert archive / Illinois / Tornado Warnings in 1989

Tornado Warning 4, NWS Lincoln, IL

May 19, 1989Champaign County, Douglas County, Piatt County, Illinois

NWS Lincoln, IL issued this tornado warning at May 19, 1989, 8:10 PM CDT for Champaign County, Douglas County, Piatt County, Illinois. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
May 19, 1989, 8:10 PM CDT (01:10 UTC)
Expired
May 19, 1989, 9:00 PM CDT
In force
50 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Champaign County, IL, Douglas County, IL, Piatt 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 00:00Z, 1.2 hours before the alert went out and 132 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, Peoria Regional, IL at 00:00Z on 1989-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 00:00Z on 1989-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 200110
TORSPI
ILC147-019-041-200200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
810 PM CDT FRI MAY 19 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF ILLINOIS
      PIATT...

   IN THE EAST CENTRAL PART OF ILLINOIS
      CHAMPAIGN...NORTHERN DOUGLAS...

 AT 806 PM CDT PIATT COUNTY SHERIFFS OFFICE REPORTED A TORNADO
 TOUCHDOWN JUST SOUTH OF BEMENT ILLINOIS IN PIATT COUNTY.CITY.)

 THIS STORM WAS MOVING EAST AT 25 MPH.

FUNNEL CLOUDS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WAVRNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY.

THIS IS A DANGEROUS STORM.  TAKE COVER IMMEDIATELY.

 ATTN ISP DIST...10
 HILLIARD

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:18 PM CDTTornado WarningILXMacon27 min

Nearby

Tornado Warnings in Illinois, 1989Every tornado warning in 1989Tornadoes in 1989

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.