Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 232, NWS Lincoln, IL

August 2, 2000Cass County, Morgan County, Schuyler County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 2, 2000, 5:55 PM CDT for Cass County, Morgan County, Schuyler County, Illinois. It was in force for 65 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 2, 2000, 5:55 PM CDT (22:55 UTC)
Expired: Aug 2, 2000, 7:00 PM CDT
In force: 65 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cass County, IL, Morgan County, IL, Schuyler County, IL

The radar

The Lincoln radar (KILX), 94 km from the middle of the area, began a volume at 22:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Aug 2, 6:05 PM CDT	Thunderstorm Wind	Beardstown, IL	Several large tree limbs were blown down.

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 12:00Z, 10.9 hours before the alert went out and 156 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: 1064 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1262 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

883 
WUUS53 KILX 022257
SVRSPI
ILC017-137-169-030000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
555 PM CDT WED AUG 2 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CASS COUNTY IN CENTRAL ILLINOIS
  MORGAN COUNTY IN CENTRAL ILLINOIS
  SCHUYLER COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 700 PM CDT

* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS FROM NEAR RUSHVILLE TO 5 MILES WEST 
  OF BEARDSTOWN TO MEREDOSIA. THE STORMS WERE MOVING EAST AT 30 MPH. 
  THIS LINE OF STORMS DOWNED TREES IN RUSHVILLE AT 550 PM.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  RUSHVILLE
  BEARDSTOWN
  ARENZVILLE
  BLUFF SPRINGS
  BROWNING
  VIRGINIA
  LITERBERRY

DAMAGING WINDS IN EXCESS OF 75 MPH WILL ACCOMPANY THIS DANGEROUS
STORM. WINDS OF THIS SPEED CAN SOUND JUST LIKE A TORNADO AND CAUSE
JUST AS MUCH DAMAGE. GO TO A BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. ABANDON CARS AND MOBILE HOMES IF
YOU ARE IN THE WARNED AREA.

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 4020 9063 3981 9052 3978 9016 3998 9013
          4025 9053
FRIEDERS

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 4:34 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	56 min
Aug 2, 4:54 PM CDT	Severe Thunderstorm Warning	ILX	McLean	66 min
Aug 2, 5:24 PM CDT	Severe Thunderstorm Warning	ILX	Douglas, Edgar	66 min
Aug 2, 5:39 PM CDT	Severe Thunderstorm Warning	ILX	Coles	51 min
Aug 2, 6:11 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Piatt	64 min
Aug 2, 6:11 PM CDT	Severe Thunderstorm Warning	ILX	Mason	64 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; radar from the NEXRAD Level II archive.