Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 95, NWS Lincoln, IL

May 12, 2000Crawford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 12, 2000, 9:27 PM CDT for Crawford County, Illinois. It was in force for 48 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, 9:27 PM CDT (02:27 UTC)
Expired: May 12, 2000, 10:15 PM CDT
In force: 48 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
May 12, 9:35 PM CDT	Hail 0.75	Robinson, 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, 2.5 hours before the alert went out and 145 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.

627 
WUUS53 KILX 130229
SVRSPI
ILC033-130315-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 927 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR OBLONG...OR ABOUT 9 MILES WEST OF
  ROBINSON...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OBLONG
  HARDINVILLE
  EATON
  ROBINSON
  NEW HEBRON
  FLAT ROCK
  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.

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 3908 8797 3889 8797 3887 8751 3909 8759

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, 9:43 PM CDT	Severe Thunderstorm Warning	ILX	Richland	47 min
May 12, 9:57 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	63 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.