Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 322, NWS St. Louis, MO

July 5, 2000Fayette County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 5, 2000, 6:01 PM CDT for Fayette County, Illinois. It was in force for 29 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
Jul 5, 2000, 6:01 PM CDT (23:01 UTC)
Expired
Jul 5, 2000, 6:30 PM CDT
In force
29 min
Issued by
NWS St. Louis, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Fayette County, IL

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 5, 6:00 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 128 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 12:00Z on 2000-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 153 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 12:00Z on 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.193958Sfc1 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
153 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLSX 052304
SVRSTL
ILC051-052330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
601 PM CDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 630 PM CDT

* AT 601 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 9 MILES NORTHWEST
  OF RAMSEY TO NEAR COFFEEN. MOVEMENT WAS SOUTHEAST AT 45 MPH. 

* LOCATIONS IN THE PATH...
  RAMSEY
  WRIGHTS CORNER
  VANDALIA
  BROWNSTOWN
  ST. ELMO
  FARINA

THIS STORM HAS A HISTORY OF DAMAGING WINDS. TREES AND POWER LINES, 
HAVE BEEN DOWNED IN MACOUPIN AND MONTGOMERY COUNTIES. 

LAT...LON 3926 8922 3912 8937 3874 8882 3891 8864

JPK/RP

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 3:25 PM CDTSevere Thunderstorm WarningLSXAdams35 min
Jul 5, 3:35 PM CDTSevere Thunderstorm WarningLSXBrown40 min
Jul 5, 4:12 PM CDTSevere Thunderstorm WarningLSXPike33 min
Jul 5, 5:18 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery42 min
Jul 5, 5:46 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery29 min
Jul 5, 6:34 PM CDTSevere Thunderstorm WarningLSXFayette26 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.