Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 97, NWS Lincoln, IL

May 12, 2000Lawrence County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 12, 2000, 9:57 PM CDT for Lawrence County, Illinois. It was in force for 63 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: May 12, 2000, 9:57 PM CDT (02:57 UTC)
Expired: May 12, 2000, 11:00 PM CDT
In force: 63 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lawrence County, IL

What was reported inside it

Time	Report	Where	Remark
May 12, 10:20 PM CDT	Hail 1.75	Bridgeport, IL

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
May 12, 6:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 172 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: 162 J/kg
Mixed-layer CIN: -342 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.5

Open this sounding in Storm Lab

The text

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

239 
WUUS53 KILX 130258
SVRSPI
ILC101-130400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
957 PM CDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 1100 PM CDT

* AT 957 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF SUMNER...OR ABOUT 4 MILES
  SOUTHEAST OF OLNEY...MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUMNER
  CHAUNCEY
  BRIDGEPORT
  ST. FRANCISVILLE
  LAWRENCEVILLE
  BIRDS

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.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES AT ANY TIME.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3886 8793 3858 8792 3857 8754 3886 8753

HEDGES

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:11 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland	49 min
May 12, 7:18 PM CDT	Tornado Warning	ILX	Clay, Effingham	57 min
May 12, 7:30 PM CDT	Severe Thunderstorm Warning	ILX	Macon	45 min
May 12, 7:37 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	68 min
May 12, 7:40 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	65 min
May 12, 7:46 PM CDT	Severe Thunderstorm Warning	ILX	Coles	29 min
May 12, 7:56 PM CDT	Tornado Warning	ILX	Jasper	49 min
May 12, 8:01 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	59 min
May 12, 8:06 PM CDT	Tornado Warning	ILX	Clay	54 min
May 12, 8:37 PM CDT	Tornado Warning	ILX	Crawford, Jasper	53 min
May 12, 8:41 PM CDT	Severe Thunderstorm Warning	ILX	Clark	34 min
May 12, 8:55 PM CDT	Tornado Warning	ILX	Clay, Richland	50 min
May 12, 9:27 PM CDT	Severe Thunderstorm Warning	ILX	Crawford	48 min
May 12, 9:43 PM CDT	Severe Thunderstorm Warning	ILX	Richland	47 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.