Alert archive / Illinois / Tornado Warnings in 1998

Tornado Warning 98, NWS Lincoln, IL

June 14, 1998DeWitt County, Logan County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 14, 1998, 8:33 PM CDT for DeWitt County, Logan County, Illinois. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 14, 1998, 8:33 PM CDT (01:33 UTC)
Expired
Jun 14, 1998, 9:30 PM CDT
In force
57 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties DeWitt County, IL, Logan County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 46 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 00:00Z on 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.1000850700500300200100-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
7105 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
47 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 150133 RRA
TORSPI
ILC039-107-150230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
833 PM CDT SUN JUN 14 1998

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR
  DE WITT COUNTY IN CENTRAL ILLINOIS
  EASTERN LOGAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 930 PM CDT

* AT 830 PM CDT LINCOLN DOPPLER RADAR INDICATED A DEVELOPING TORNADO
  2 MILES EAST-NORTHEAST OF LINCOLN...MOVING EAST AT 30 MPH.

* THIS STORM IS EXPECTED TO AFFECT AREAS AROUND...
  BEASON
  WAYNESVILLE
  CLINTON

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD
TO SEE. TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST
FLOOR.

GEELHART/FRIEDERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:28 PM CDTFlash Flood WarningILXVermilion92 min
Jun 14, 7:33 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell57 min
Jun 14, 7:36 PM CDTTornado WarningILXClay, Effingham54 min
Jun 14, 7:51 PM CDTTornado WarningILXPeoria, Tazewell54 min
Jun 14, 7:59 PM CDTTornado WarningILXChristian, Macon61 min
Jun 14, 8:18 PM CDTTornado WarningILXJasper, Richland57 min
Jun 14, 8:28 PM CDTTornado WarningILXClay32 min
Jun 14, 8:56 PM CDTTornado WarningILXPiatt49 min

Nearby

Tornado Warnings in Illinois, 1998Every tornado warning in 1998Tornadoes in 1998

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.