Alert archive / Illinois / Tornado Warnings in 2002

Tornado Warning 12, NWS Lincoln, IL

June 4, 2002Marshall County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 4, 2002, 2:30 PM CDT for Marshall County, Illinois. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 4, 2002, 2:30 PM CDT (19:30 UTC)
Expired: Jun 4, 2002, 3:00 PM CDT
In force: 30 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Marshall County, IL

What was reported inside it

Time	Report	Where	Remark
Jun 4, 2:55 PM CDT	Hail 0.88	Varna, IL

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, 7.5 hours before the alert went out and 111 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: 1332 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1268 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

513 
WFUS53 KILX 041930
TORSPI
ILC123-042000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
229 PM CDT TUE JUN 4 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MARSHALL COUNTY IN CENTRAL ILLINOIS

* UNTIL 300 PM CDT

* AT 229 PM CDT...MARSHALL COUNTY SHERIFF REPORTED A TORNADO 5 MILES
  EAST OF LACON...MOVING EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  TOLUCA
  WENONA

IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD
BE ABANDONED FOR A SAFER SHELTER.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL ESDA...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE. STAY TUNED FOR LATER STATEMENTS.

LAT...LON 4111 8926 4096 8927 4094 8906 4111 8906

PLAHMER
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 1:53 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	37 min
Jun 4, 2:24 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Stark	51 min
Jun 4, 3:23 PM CDT	Flash Flood Warning	ILX	Knox	7 hr
Jun 4, 4:21 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria	54 min
Jun 4, 4:25 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	65 min
Jun 4, 5:11 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	64 min
Jun 4, 5:23 PM CDT	Severe Thunderstorm Warning	ILX	Woodford	52 min
Jun 4, 5:32 PM CDT	Severe Thunderstorm Warning	ILX	McLean	58 min
Jun 4, 6:10 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	80 min
Jun 4, 6:36 PM CDT	Flash Flood Warning	ILX	Morgan, Scott	3 hr

Nearby

Tornado Warnings in Illinois, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.