Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 82, NWS Lincoln, IL

May 9, 2002Vermilion County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 9, 2002, 2:52 AM CDT for Vermilion County, Illinois. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 9, 2002, 2:52 AM CDT (07:52 UTC)
Expired
May 9, 2002, 3:45 AM CDT
In force
53 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Vermilion County, IL

The watch it was issued in

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

IssuedProductOfficeLasted
May 8, 11:30 PM CDTSevere Thunderstorm WatchSPC5 hr
May 9, 2:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.9 hours before the alert went out and 69 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 2002-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1076 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 00:00Z on 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.1939587897Sfc1 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
1076 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1020 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
1.2
Supercell composite
9.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 090752
SVRSPI
ILC183-090845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
252 AM CDT THU MAY 9 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 345 AM CDT

* AT 252 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 12 MILES SOUTHEAST OF PAXTON TO 
  20 MILES NORTHEAST OF TUSCOLA...MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  SIDELL
  FITHIAN
  FAIRMOUNT
  POTOMAC
  OAKWOOD
  GEORGETOWN
  CATLIN
  WESTVILLE

THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH...
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 4043 8794 3990 8795 3991 8757 4046 8755

AUTEN

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 8:20 PM CDTFlash Flood WarningILXSchuyler6 hr
May 8, 10:18 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Schuyler, Scott57 min
May 8, 10:35 PM CDTFlash Flood WarningILXFulton6 hr
May 8, 10:41 PM CDTSevere Thunderstorm WarningILXMcLean64 min
May 8, 10:45 PM CDTSevere Thunderstorm WarningILXFulton, Mason45 min
May 8, 10:54 PM CDTFlash Flood WarningILXCass, Morgan, Scott6 hr
May 8, 10:58 PM CDTTornado WarningILXFulton, Mason47 min
May 8, 11:16 PM CDTFlash Flood WarningILXMason6 hr
May 8, 11:24 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon51 min
May 8, 11:28 PM CDTTornado WarningILXPeoria, Tazewell62 min
May 9, 12:02 AM CDTSevere Thunderstorm WarningILXWoodford43 min
May 9, 12:17 AM CDTFlash Flood WarningILXMarshall, Peoria, Tazewell, Woodford6 hr
May 9, 12:23 AM CDTSevere Thunderstorm WarningILXChristian, Macon, Shelby52 min
May 9, 2:04 AM CDTSevere Thunderstorm WarningILXMoultrie26 min
May 9, 2:27 AM CDTSevere Thunderstorm WarningILXChampaign, Coles, Douglas63 min
May 9, 2:31 AM CDTSevere Thunderstorm WarningILXEffingham44 min
May 9, 2:42 AM CDTSevere Thunderstorm WarningILXCumberland63 min
May 9, 3:05 AM CDTSevere Thunderstorm WarningILXCumberland40 min
May 9, 3:14 AM CDTSevere Thunderstorm WarningILXClark, Crawford, Edgar, Jasper61 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2002Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.