Alert archive / Illinois / Tornado Warnings in 2000

Tornado Warning 38, NWS Lincoln, IL

May 18, 2000Marshall County, Illinois

NWS Lincoln, IL issued this tornado warning at May 18, 2000, 5:06 PM CDT for Marshall County, Illinois. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 18, 2000, 5:06 PM CDT (22:06 UTC)
Expired: May 18, 2000, 5:30 PM CDT
In force: 24 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Marshall County, IL

What was reported inside it

Time	Report	Where	Remark
May 18, 5:11 PM CDT	Thunderstorm Wind	Toluca, IL	Several trees and tree limbs were blown down in Toluca and Wenona.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 18, 3:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 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: 557 J/kg
Mixed-layer CIN: -308 J/kg
Mixed-layer LCL: 1218 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 328 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 182209 COR
TORSPI
ILC123-182230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED SPEED OF MOVEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
506 PM CDT THU MAY 18 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 506 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 7 MILES SOUTHWEST OF VARNA...OR ABOUT 6 MILES
  SOUTHEAST OF LACON...MOVING EAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  VARNA
  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 NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. YOUR
REPORT COULD HELP SAVE LIVES. STAY TUNED FOR LATER STATJEMENTS.

LAT...LON 4111 8907 4111 8936 4094 8943 4094 8907

HEDGES

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 9:52 AM CDT	Severe Thunderstorm Warning	ILX	Champaign	53 min
May 18, 10:02 AM CDT	Severe Thunderstorm Warning	ILX	Vermilion	43 min
May 18, 10:17 AM CDT	Tornado Warning	ILX	Vermilion	28 min
May 18, 10:35 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Piatt	55 min
May 18, 10:35 AM CDT	Severe Thunderstorm Warning	ILX	Moultrie	55 min
May 18, 10:45 AM CDT	Severe Thunderstorm Warning	ILX	Vermilion	60 min
May 18, 10:58 AM CDT	Tornado Warning	ILX	Champaign, Douglas	47 min
May 18, 11:15 AM CDT	Tornado Warning	ILX	Vermilion	45 min
May 18, 11:35 AM CDT	Severe Thunderstorm Warning	ILX	Champaign	40 min
May 18, 11:56 AM CDT	Severe Thunderstorm Warning	ILX	Vermilion	49 min
May 18, 4:00 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	45 min
May 18, 4:18 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	42 min
May 18, 4:38 PM CDT	Tornado Warning	ILX	Marshall	37 min
May 18, 4:46 PM CDT	Severe Thunderstorm Warning	ILX	Peoria	44 min
May 18, 4:58 PM CDT	Severe Thunderstorm Warning	ILX	Woodford	47 min
May 18, 5:18 PM CDT	Tornado Warning	ILX	Woodford	42 min
May 18, 5:28 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell	47 min
May 18, 5:30 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	45 min
May 18, 5:43 PM CDT	Severe Thunderstorm Warning	ILX	Logan, McLean	62 min
May 18, 5:56 PM CDT	Tornado Warning	ILX	McLean, Woodford	49 min
May 18, 6:37 PM CDT	Tornado Warning	ILX	McLean	68 min
May 18, 6:48 PM CDT	Tornado Warning	ILX	Logan	42 min

Nearby

Tornado Warnings in Illinois, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.