Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 249, NWS Lincoln, IL

August 6, 2000Crawford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 6, 2000, 10:58 PM CDT for Crawford 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Aug 6, 2000, 10:58 PM CDT (03:58 UTC)
Expired: Aug 7, 2000, 12:00 AM CDT
In force: 62 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Crawford County, IL

What was reported inside it

Time	Report	Where	Remark
Aug 6, 11:10 PM CDT	Thunderstorm Wind	Robinson, IL	Several trees were blown down in an area from Robinson to Palestine.

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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.0 hours before the alert went out and 138 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: 1991 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 910 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 070359
SVRSPI
ILC033-070500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1058 PM CDT SUN AUG 6 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN SOUTHEAST ILLINOIS

* UNTIL MIDNIGHT CDT

* AT 1058 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 15 MILES SOUTHEAST OF TOLEDO TO
  5 MILES SOUTHEAST OF NEWTON...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  ANNAPOLIS
  EATON
  ROBINSON
  HUTSONVILLE
  NEW HEBRON
  PALESTINE

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 3918 8795 3902 8796 3893 8795 3894 8758
          3907 8760 3918 8766

KMH

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 7:16 PM CDT	Severe Thunderstorm Warning	ILX	Effingham	59 min
Aug 6, 8:27 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	48 min
Aug 6, 9:17 PM CDT	Severe Thunderstorm Warning	ILX	Coles	43 min
Aug 6, 9:30 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	60 min
Aug 6, 10:22 PM CDT	Severe Thunderstorm Warning	ILX	Effingham, Jasper	53 min
Aug 7, 12:18 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford	42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2000 Every severe thunderstorm warning in 2000

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.