Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 177, NWS Lincoln, IL

June 21, 2000Clark County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 21, 2000, 12:00 AM CDT for Clark County, Illinois. It was in force for 60 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
Jun 21, 2000, 12:00 AM CDT (05:00 UTC)
Expired
Jun 21, 2000, 1:00 AM CDT
In force
60 min
Issued by
NWS Lincoln, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Clark County, IL

What was reported inside it

TimeReportWhereRemark
Jun 21, 12:30 AM CDTThunderstorm WindMarshall, ILA couple of trees were blown down.

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.

IssuedProductOfficeLasted
Jun 20, 8:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 109 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 2000-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 831 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.19395878Sfc1 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
831 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
1.0
Supercell composite
15.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 210501
SVRSPI
ILC023-210600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1200 AM CDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 100 AM CDT

* AT MIDNIGHT CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 4 MILES WEST OF MARTINSVILLE...OR ABOUT 15
  MILES WEST OF MARSHALL...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARTINSVILLE
  MARSHALL
  DENNISON

THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH...
DAMAGING HAIL...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. TAKE
SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

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

LAT...LON 3941 8800 3923 8799 3928 8763 3947 8759

FRIEDERS

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:11 PM CDTSevere Thunderstorm WarningILXFulton64 min
Jun 20, 7:18 PM CDTSevere Thunderstorm WarningILXSangamon57 min
Jun 20, 7:23 PM CDTTornado WarningILXDeWitt, Macon67 min
Jun 20, 7:28 PM CDTSevere Thunderstorm WarningILXMason, Tazewell62 min
Jun 20, 7:28 PM CDTSevere Thunderstorm WarningILXPeoria62 min
Jun 20, 7:36 PM CDTFlash Flood WarningILXLogan3 hr
Jun 20, 8:00 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Schuyler60 min
Jun 20, 8:00 PM CDTSevere Thunderstorm WarningILXScott60 min
Jun 20, 8:06 PM CDTSevere Thunderstorm WarningILXMarshall, Woodford54 min
Jun 20, 8:13 PM CDTSevere Thunderstorm WarningILXChristian, Macon62 min
Jun 20, 8:13 PM CDTSevere Thunderstorm WarningILXLogan62 min
Jun 20, 8:29 PM CDTSevere Thunderstorm WarningILXDeWitt61 min
Jun 20, 8:47 PM CDTSevere Thunderstorm WarningILXMoultrie, Piatt43 min
Jun 20, 8:47 PM CDTSevere Thunderstorm WarningILXShelby43 min
Jun 20, 9:00 PM CDTSevere Thunderstorm WarningILXChampaign45 min
Jun 20, 9:10 PM CDTTornado WarningILXChampaign50 min
Jun 20, 9:29 PM CDTSevere Thunderstorm WarningILXColes, Douglas, Moultrie61 min
Jun 20, 9:39 PM CDTTornado WarningILXVermilion66 min
Jun 20, 9:54 PM CDTTornado WarningILXChampaign36 min
Jun 20, 10:08 PM CDTSevere Thunderstorm WarningILXChristian, Shelby67 min
Jun 20, 10:32 PM CDTSevere Thunderstorm WarningILXColes, Moultrie58 min
Jun 20, 10:50 PM CDTSevere Thunderstorm WarningILXClay, Effingham55 min
Jun 20, 11:28 PM CDTSevere Thunderstorm WarningILXCumberland, Jasper62 min
Jun 21, 12:07 AM CDTSevere Thunderstorm WarningILXCrawford68 min
Jun 21, 12:10 AM CDTSevere Thunderstorm WarningILXClay, Richland65 min
Jun 21, 12:23 AM CDTSevere Thunderstorm WarningILXLawrence67 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2000Every severe thunderstorm warning 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.