Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 92, NWS Lincoln, IL

May 12, 2002Effingham County, Jasper County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 12, 2002, 5:21 PM CDT for Effingham County, Jasper County, Illinois. It was in force for 39 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 12, 2002, 5:21 PM CDT (22:21 UTC)
Expired
May 12, 2002, 6:00 PM CDT
In force
39 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Effingham County, IL, Jasper County, IL

The watch it was issued in

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

IssuedProductOfficeLasted
May 12, 2:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 118 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 2002-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 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 12:00Z on 2002-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
77 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
-16 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.

000 
WUUS53 KILX 122221
SVRSPI
ILC049-079-122300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
521 PM CDT SUN MAY 12 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS
  JASPER COUNTY IN SOUTHEAST ILLINOIS

* UNTIL 600 PM CDT

* AT 521 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER TEUTOPOLIS...OR ABOUT 6 MILES EAST OF
  EFFINGHAM...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WHEELER
  HIDALGO

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 3916 8855 3904 8853 3901 8797 3919 8799

KH

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 7:52 PM CDTSevere Thunderstorm WarningILXKnox38 min
May 11, 8:02 PM CDTSevere Thunderstorm WarningILXStark58 min
May 12, 1:43 AM CDTSevere Thunderstorm WarningILXSchuyler47 min
May 12, 2:10 AM CDTFlash Flood WarningILXSchuyler6 hr
May 12, 2:24 AM CDTFlash Flood WarningILXCass, Mason, Menard6 hr
May 12, 3:58 AM CDTFlash Flood WarningILXChristian, Logan, Macon, Morgan, Sangamon, Scott6 hr
May 12, 5:42 AM CDTFlash Flood WarningILXColes, Douglas, Macon, Moultrie, Piatt, Shelby6 hr
May 12, 5:44 AM CDTFlash Flood WarningILXColes, Douglas, Moultrie, Piatt, Shelby6 hr
May 12, 6:24 AM CDTFlash Flood WarningILXEdgar5 hr
May 12, 7:12 AM CDTFlash Flood WarningILXClark, Cumberland7 hr
May 12, 10:56 AM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
May 12, 12:11 PM CDTFlash Flood WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland6 hr

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.