Alert archive / Illinois / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 302, NWS St. Louis, MO

June 26, 2000Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 26, 2000, 3:09 AM CDT for Fayette County, Marion County, Illinois. It was in force for 51 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: Jun 26, 2000, 3:09 AM CDT (08:09 UTC)
Expired: Jun 26, 2000, 4:00 AM CDT
In force: 51 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Fayette County, IL, Marion County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.2 hours before the alert went out and 151 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: 752 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 35 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 260810
SVRSTL
ILC051-121-260900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
309 AM CDT MON JUN 26 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 400 AM CDT

* AT 309 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 10 MILES WEST OF PATOKA TO 
  POSEY...MOVING EAST AT 35 MPH.

* LOCATIONS IN THE PATH...
  PATOKA
  FAIRMAN
  SHOBONIER
  KINMUNDY
  FARINA
  STEPHEN FORBES STATE PARK
  OMEGA

THE PRIMARY THREAT PjOSED BY THIS STORM IS DAMAGING WINDS. MOVE
QUICKLY TO THE INTERIOR PORTION OF A STURDY SHELTER...AND STAY AWAY
FROM OUTSIDE WALLS AND WINDOWS.

LAT...LON 3907 8927 3883 8914 3850 8913 3848 8870
          3909 8882

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 10:30 PM CDT	Severe Thunderstorm Warning	LSX	Adams	45 min
Jun 25, 10:50 PM CDT	Severe Thunderstorm Warning	LSX	Pike	40 min
Jun 25, 11:14 PM CDT	Tornado Warning	LSX	Pike	46 min
Jun 25, 11:26 PM CDT	Severe Thunderstorm Warning	LSX	Brown	49 min
Jun 26, 12:03 AM CDT	Severe Thunderstorm Warning	LSX	Pike	42 min
Jun 26, 12:14 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun	61 min
Jun 26, 12:28 AM CDT	Severe Thunderstorm Warning	LSX	Greene	62 min
Jun 26, 12:55 AM CDT	Severe Thunderstorm Warning	LSX	Jersey	65 min
Jun 26, 1:51 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	39 min
Jun 26, 2:35 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton	25 min
Jun 26, 2:35 AM CDT	Severe Thunderstorm Warning	LSX	Washington	25 min
Jun 26, 3:00 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Washington	45 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.