Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 310, NWS Lincoln, IL

October 3, 2000Knox County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Oct 3, 2000, 11:25 PM CDT for Knox County, Illinois. It was in force for 35 min. No storm report in the archive falls 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.

The facts

Issued: Oct 3, 2000, 11:25 PM CDT (04:25 UTC)
Expired: Oct 4, 2000, 12:00 AM CDT
In force: 35 min
Issued by: NWS Lincoln, IL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Knox County, IL

The radar

The Quad Cities radar (KDVN), 75 km from the middle of the area, began a volume at 04:24 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.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 4.4 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: 2316 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 481 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 040425
SVRSPI
ILC095-040500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1125 PM CDT TUE OCT 3 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL MIDNIGHT CDT

* AT 1124 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 6 MILES WEST OF RIO TO 8 MILES
  SOUTH OF ABINGDON...OR FROM 11 MILES NORTHWEST OF GALESBURG TO 18
  MILES SOUTH OF GALESBURG...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  HENDERSON
  GALESBURG
  KNOXVILLE
  MAQUON
  GILSON
  DAHINDA

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS TO 60 MPH AND
LARGE HAIL. 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 4116 9066 4091 9054 4070 9053 4072 8998
          4091 8999 4115 8999

PLAHMER
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 3, 9:58 PM CDT	Severe Thunderstorm Warning	ILX	Knox	47 min
Oct 3, 10:29 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	46 min
Oct 3, 11:03 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	42 min
Oct 4, 9:55 AM CDT	Severe Thunderstorm Warning	ILX	Clay	35 min
Oct 4, 4:31 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland, Jasper	29 min
Oct 4, 4:46 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford	59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.