Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 64, NWS Lincoln, IL

May 9, 2000Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 9, 2000, 2:22 AM CDT for Sangamon County, Illinois. It was in force for 53 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
May 9, 2000, 2:22 AM CDT (07:22 UTC)
Expired
May 9, 2000, 3:15 AM CDT
In force
53 min
Issued by
NWS Lincoln, IL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sangamon County, IL

The radar

The Lincoln radar (KILX), 56 km from the middle of the area, began a volume at 07:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 8, 10:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.4 hours before the alert went out and 109 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-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2000-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2720 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2720 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1120 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 090724
SVRSPI
ILC167-090815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
222 AM CDT TUE MAY 9 2000

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SANGAMON COUNTY IN CENTRAL ILLINOIS

* UNTIL 315 AM CDT

* AT 222 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF NEW BERLIN...OR ABOUT 20 MILES
  WEST OF SPRINGFIELD...MOVING EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEW BERLIN
  LOAMI
  CHATHAM
  SPRINGFIELD
  ROCHESTER
  SHERMAN
  RIVERTON

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 THE NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3985 8998 3956 8990 3971 8947 3993 8957

FRIEDERS

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 8:58 PM CDTSevere Thunderstorm WarningILXFulton, Knox47 min
May 8, 9:25 PM CDTSevere Thunderstorm WarningILXPeoria65 min
May 8, 9:40 PM CDTSevere Thunderstorm WarningILXMarshall, Stark65 min
May 8, 9:45 PM CDTSevere Thunderstorm WarningILXFulton60 min
May 8, 9:50 PM CDTSevere Thunderstorm WarningILXMason, Tazewell55 min
May 8, 10:02 PM CDTTornado WarningILXTazewell43 min
May 8, 10:11 PM CDTSevere Thunderstorm WarningILXWoodford64 min
May 8, 10:29 PM CDTSevere Thunderstorm WarningILXLogan, Menard61 min
May 8, 10:40 PM CDTTornado WarningILXMcLean, Tazewell50 min
May 8, 10:57 PM CDTSevere Thunderstorm WarningILXDeWitt63 min
May 8, 11:03 PM CDTSevere Thunderstorm WarningILXMacon57 min
May 8, 11:08 PM CDTSevere Thunderstorm WarningILXPiatt67 min
May 9, 1:59 AM CDTSevere Thunderstorm WarningILXScott46 min
May 9, 2:12 AM CDTSevere Thunderstorm WarningILXMorgan48 min
May 9, 3:40 AM CDTSevere Thunderstorm WarningILXMoultrie, Shelby50 min
May 9, 2:35 PM CDTSevere Thunderstorm WarningILXClay55 min
May 9, 2:51 PM CDTSevere Thunderstorm WarningILXVermilion39 min
May 9, 3:04 PM CDTSevere Thunderstorm WarningILXCumberland, Effingham, Jasper56 min
May 9, 3:27 PM CDTSevere Thunderstorm WarningILXClark, Edgar63 min
May 9, 3:29 PM CDTSevere Thunderstorm WarningILXVermilion46 min
May 9, 3:47 PM CDTSevere Thunderstorm WarningILXCrawford43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2000Every 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.