Alert archive / Illinois / Tornado Warnings in 1989

Tornado Warning 10, NWS Lincoln, IL

July 19, 1989Champaign County, Edgar County, Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 19, 1989, 12:37 PM CDT for Champaign County, Edgar County, Vermilion County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1989, 12:37 PM CDT (17:37 UTC)
Expired
Jul 19, 1989, 1:15 PM CDT
In force
38 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Champaign County, IL, Edgar County, IL, Vermilion 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, 5.6 hours before the alert went out and 163 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 12:00Z on 1989-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 272 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1989-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
272 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 191737
TORSPI
ILC019-183-045-191815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1237 PM CDT WED JUL 19 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 115 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF ILLINOIS
      EASTERN CHAMPAIGN...VERMILION...EDGAR

 AT 1233 PM CDT  NUMEROUS FUNNEL CLOUDS HAS BEEN REPORTED IN
EASTERN CHAMPAIGN COUNTY.

THE SHOWERS AND THUNDERSTORMS PRODUCING THE FUNNEL CLOUDS WERE
 MOVING EAST AT 20 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 1:19 PM CDTSevere Thunderstorm WarningILXClark, Cumberland56 min
Jul 19, 2:42 PM CDTTornado WarningILXColes, Edgar33 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.