Alert archive / Illinois / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 36, NWS Lincoln, IL

April 24, 2002Logan County, Tazewell County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 24, 2002, 3:13 PM CDT for Logan County, Tazewell County, Illinois. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 24, 2002, 3:13 PM CDT (20:13 UTC)
Expired: Apr 24, 2002, 4:15 PM CDT
In force: 62 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Logan County, IL, Tazewell County, IL

What was reported inside it

Time	Report	Where	Remark
Apr 24, 3:30 PM CDT	Thunderstorm Wind 50 E	Mackinaw, IL	Numerous trees were blown down in Mackinaw River State Fish and Wildlife Area.

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.

Issued	Product	Office	Lasted
Apr 24, 1:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 24, 2:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 75 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 242013
SVRSPI
ILC107-179-242115-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TAZEWELL COUNTY IN CENTRAL ILLINOIS
  LOGAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 415 PM CDT

* AT 312 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES SOUTH OF TREMONT TO 
  7 MILES SOUTHWEST OF ELKHART...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  EMDEN
  HOPEDALE
  HARTSBURG
  ELKHART
  MACKINAW
  MINIER
  LINCOLN
  ARMINGTON

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 4058 8959 3999 8958 3993 8921 4057 8929

GOETSCH

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, 2:13 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	47 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, 3:14 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.