Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 32, NWS Lincoln, IL

April 24, 2002Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 24, 2002, 2:13 PM CDT for Sangamon County, Illinois. It was in force for 47 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: Apr 24, 2002, 2:13 PM CDT (19:13 UTC)
Expired: Apr 24, 2002, 3:00 PM CDT
In force: 47 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Sangamon 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
Apr 24, 10:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.2 hours before the alert went out and 113 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 241913
SVRSPI
ILC167-242000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
213 PM CDT WED APR 24 2002

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SANGAMON COUNTY IN CENTRAL ILLINOIS

* UNTIL 300 PM CDT

* AT 213 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF AUBURN...OR ABOUT 17 MILES
  NORTH OF CARLINVILLE...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  AUBURN
  LOAMI
  DIVERNON
  CHATHAM
  PAWNEE

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 3967 8995 3954 8993 3954 8957 3965 8955
          3971 8948

KETCHAM 
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 12:56 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	64 min
Apr 24, 1:26 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	64 min
Apr 24, 2:19 PM CDT	Severe Thunderstorm Warning	ILX	Cass	41 min
Apr 24, 2:51 PM CDT	Severe Thunderstorm Warning	ILX	Menard	39 min
Apr 24, 2:55 PM CDT	Severe Thunderstorm Warning	ILX	Mason	50 min
Apr 24, 3:13 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Tazewell	62 min
Apr 24, 3:14 PM CDT	Severe Thunderstorm Warning	ILX	Effingham	61 min
Apr 24, 3:32 PM CDT	Severe Thunderstorm Warning	ILX	Clay	43 min
Apr 24, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland, Jasper	46 min
Apr 24, 4:05 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford	40 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2002 Every 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.