Alert archive / Illinois / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 166, NWS Lincoln, IL

August 18, 2001Coles County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 18, 2001, 4:16 PM CDT for Coles County, Illinois. It was in force for 59 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
Aug 18, 2001, 4:16 PM CDT (21:16 UTC)
Expired
Aug 18, 2001, 5:15 PM CDT
In force
59 min
Issued by
NWS Lincoln, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Coles County, IL

What was reported inside it

TimeReportWhereRemark
Aug 18, 4:59 PM CDTThunderstorm Wind 50 EMattoon, ILA large tree limb was blown down, landing on the roof of a motel causing minor damage.

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
Aug 18, 3:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 73 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 12:00Z on 2001-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 192 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2001-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
192 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1002 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

759 
WUUS53 KILX 182116
SVRSPI
ILC029-182215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
416 PM CDT SAT AUG 18 2001

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 515 PM CDT

* AT 416 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTH OF COOKS MILL...OR ABOUT 11 MILES
  EAST OF SULLIVAN...MOVING SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COOKS MILL
  HUMBOLDT
  MATTOON
  CHARLESTON
  LERNA

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

LAT...LON 3966 8824 3964 8849 3938 8838 3938 8801

HEDGES

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 11:59 AM CDTTornado WarningILXMason61 min
Aug 18, 12:24 PM CDTTornado WarningILXLogan, Tazewell66 min
Aug 18, 12:28 PM CDTSevere Thunderstorm WarningILXMcLean62 min
Aug 18, 1:01 PM CDTSevere Thunderstorm WarningILXMason44 min
Aug 18, 1:23 PM CDTSevere Thunderstorm WarningILXChampaign67 min
Aug 18, 1:25 PM CDTTornado WarningILXLogan, Menard65 min
Aug 18, 1:33 PM CDTTornado WarningILXDeWitt, McLean57 min
Aug 18, 1:40 PM CDTTornado WarningILXChampaign50 min
Aug 18, 2:20 PM CDTTornado WarningILXVermilion55 min
Aug 18, 2:22 PM CDTTornado WarningILXChampaign, Piatt53 min
Aug 18, 2:30 PM CDTSevere Thunderstorm WarningILXLogan, Menard45 min
Aug 18, 2:36 PM CDTSevere Thunderstorm WarningILXMacon54 min
Aug 18, 3:01 PM CDTSevere Thunderstorm WarningILXSangamon59 min
Aug 18, 3:16 PM CDTTornado WarningILXChampaign, Piatt59 min
Aug 18, 3:17 PM CDTTornado WarningILXVermilion58 min
Aug 18, 3:30 PM CDTSevere Thunderstorm WarningILXChristian, Macon60 min
Aug 18, 3:30 PM CDTTornado WarningILXDouglas60 min
Aug 18, 3:52 PM CDTSevere Thunderstorm WarningILXMoultrie38 min
Aug 18, 4:05 PM CDTTornado WarningILXEdgar, Vermilion55 min
Aug 18, 4:24 PM CDTSevere Thunderstorm WarningILXChristian, Shelby81 min
Aug 18, 4:37 PM CDTSevere Thunderstorm WarningILXMoultrie53 min
Aug 18, 5:15 PM CDTSevere Thunderstorm WarningILXCrawford60 min
Aug 18, 5:16 PM CDTSevere Thunderstorm WarningILXColes, Cumberland59 min
Aug 18, 5:53 PM CDTSevere Thunderstorm WarningILXEffingham67 min
Aug 18, 6:09 PM CDTSevere Thunderstorm WarningILXJasper66 min
Aug 18, 6:30 PM CDTSevere Thunderstorm WarningILXCrawford60 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2001Every severe thunderstorm warning in 2001

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.