Alert archive / Illinois / Tornado Warnings in 1997

Tornado Warning 20, NWS Lincoln, IL

June 12, 1997Douglas County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 12, 1997, 6:52 PM CDT for Douglas County, Illinois. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 12, 1997, 6:52 PM CDT (23:52 UTC)
Expired
Jun 12, 1997, 7:30 PM CDT
In force
38 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Douglas County, IL

What was reported inside it

TimeReportWhereRemark
Jun 12, 7:00 PM CDTThunderstorm WindNewman, ILThunderstorm winds blew down a large tree in Newman. No injuries were reported and no damage estimate was available.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.9 hours before the alert went out and 53 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 1997-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 519 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, Lincoln, IL at 12:00Z on 1997-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
519 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

943 
WFUS1 KSPI 122355 RRA
TORSPI
ILC041-130030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
652 PM CDT THU JUN 12 1997

* TORNADO WARNING FOR
  DOUGLAS COUNTY - IN EAST CENTRAL ILLINOIS

* UNTIL 730 PM CDT
 
* SOME TOWNS AFFECTED
  TUSCOLA
  CAMARGO
  NEWMAN
  HUGO

* AT 650 PM CDT LINCOLN DOPPLER RADAR INDICATED A DEVELOPING TORNADO
  NEAR TUSCOLA...MOVING EAST SOUTHEAST AT 20 MPH.

TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST
FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER.

HEDGES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 12:56 PM CDTSevere Thunderstorm WarningILXTazewell49 min
Jun 12, 1:35 PM CDTSevere Thunderstorm WarningILXLogan, Mason40 min
Jun 12, 1:43 PM CDTSevere Thunderstorm WarningILXMcLean, Tazewell47 min
Jun 12, 2:25 PM CDTSevere Thunderstorm WarningILXMcLean50 min
Jun 12, 2:46 PM CDTSevere Thunderstorm WarningILXDeWitt44 min

Nearby

Tornado Warnings in Illinois, 1997Every tornado warning in 1997Tornadoes in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.