Alert archive / Illinois / Tornado Warnings in 2000

Tornado Warning 18, NWS Lincoln, IL

May 12, 2000McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at May 12, 2000, 4:12 PM CDT for McLean County, Illinois. It was in force for 63 min. No storm report in the archive falls 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.

The facts

Issued: May 12, 2000, 4:12 PM CDT (21:12 UTC)
Expired: May 12, 2000, 5:15 PM CDT
In force: 63 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McLean County, IL

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 12, 2:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.2 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-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: 2035 J/kg
Mixed-layer CIN: -305 J/kg
Mixed-layer LCL: 1023 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 283 m²/s²
0-3 km storm-relative helicity: 282 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 122114
TORSPI
ILC113-122215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
412 PM CDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 515 PM CDT

* AT 412 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 9 MILES WEST OF MCLEAN...OR ABOUT 10 MILES NORTH
  OF LINCOLN...MOVING EAST NORTHEAST AT 40 MPH. A TORNADO WAS SPOTTED
  ON THE GROUND AT HARTSBURG IN NORTHERN LOGAN COUNTY AT 404 PM.
  
* THE TORNADO IS EXPECTED TO BE NEAR THE FOLLOWING CITIES ACROSS
  CENTRAL AND SOUTHWEST MCLEAN COUNTY...

  MCLEAN
  HEYWORTH
  NORMAL
  BLOOMINGTON
  SHIRLEY
  DOWNS
  TOWANDA
  LE ROY

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.

THIS IS A DANGEROUS SITUATION. THE TORNADO IS LIKELY OBSCURED BY RAIN
AND MAY NOT BE VISIBLE. IF YOU ARE IN THE WARNED AREA...GO TO A
BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. DO NOT REMAIN IN YOUR
CAR OR MOBILE HOME.

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 STATEMENTS.

LAT...LON 4047 8928 4033 8927 4030 8927 4029 8927
          4029 8869 4058 8888

KMH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:13 AM CDT	Severe Thunderstorm Warning	ILX	Mason	32 min
May 12, 7:31 AM CDT	Severe Thunderstorm Warning	ILX	Tazewell	44 min
May 12, 2:36 PM CDT	Severe Thunderstorm Warning	ILX	Mason	39 min
May 12, 2:58 PM CDT	Tornado Warning	ILX	Cass, Mason, Menard	47 min
May 12, 2:59 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell, Woodford	46 min
May 12, 3:41 PM CDT	Tornado Warning	ILX	Menard, Sangamon	49 min
May 12, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Woodford	46 min
May 12, 3:47 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason	58 min
May 12, 3:58 PM CDT	Tornado Warning	ILX	Logan	47 min
May 12, 4:26 PM CDT	Tornado Warning	ILX	DeWitt	49 min
May 12, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	46 min
May 12, 4:35 PM CDT	Tornado Warning	ILX	Sangamon	25 min
May 12, 4:40 PM CDT	Tornado Warning	ILX	Macon	50 min
May 12, 4:42 PM CDT	Severe Thunderstorm Warning	ILX	Woodford	63 min
May 12, 4:46 PM CDT	Tornado Warning	ILX	Logan	29 min
May 12, 5:03 PM CDT	Severe Thunderstorm Warning	ILX	Christian	42 min
May 12, 5:23 PM CDT	Tornado Warning	ILX	Christian, Shelby	67 min
May 12, 5:28 PM CDT	Tornado Warning	ILX	Piatt	62 min
May 12, 5:34 PM CDT	Tornado Warning	ILX	Macon	41 min
May 12, 5:36 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	39 min
May 12, 5:42 PM CDT	Tornado Warning	ILX	Moultrie	63 min
May 12, 6:05 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	55 min
May 12, 6:09 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	36 min
May 12, 6:10 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	50 min
May 12, 6:25 PM CDT	Severe Thunderstorm Warning	ILX	Douglas	65 min
May 12, 6:32 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	43 min
May 12, 6:39 PM CDT	Severe Thunderstorm Warning	ILX	Christian	51 min
May 12, 6:52 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	68 min
May 12, 6:54 PM CDT	Tornado Warning	ILX	Coles	51 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; the sounding from the Mesonet's radiosonde archive.