Alert archive / Illinois / Tornado Warnings in 2000

Tornado Warning 29, NWS St. Louis, MO

June 20, 2000Fayette County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 20, 2000, 2:55 PM CDT for Fayette County, Illinois. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 20, 2000, 2:55 PM CDT (19:55 UTC)
Expired
Jun 20, 2000, 3:45 PM CDT
In force
50 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Fayette County, IL

What was reported inside it

TimeReportWhereRemark
Jun 20, 3:20 PM CDTThunderstorm Wind 50 ERamsey, ILThe County Sheriff reported trees down east of Ramsey.

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, 7.9 hours before the alert went out and 133 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 2000-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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 2000-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 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
135 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

836 
WFUS53 KLSX 201955
TORSTL
ILC051-202045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT TUE JUN 20 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 345 PM CDT

* AT 253 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO NEAR COFFEEN... MOVING EAST AT 30 MPH.

* LOCATIONS IN THE PATH...
  RAMSEY
  BAYLE CITY
  BINGHAM



THIS IS A DANGEROUS SITUATION IF IN THE PATH...TAKE COVER NOW
MOVE TO A BASEMENT IF AVAILABLE. IF NOT...STAY ON THE LOWEST LEVEL
AND GO TO A SMALL INTERIOR ROOM. MOBILE HOMES AND AUTOMOBILESHOULD
BE ABANDONED IN FAVOR OF A STRONG STRUCTURE. AS A LAST RESORT...
MOVE TO A DITCH OR CULVERT AND COVER YOUR HEAD.

TPS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 1:16 PM CDTSevere Thunderstorm WarningLSXMontgomery44 min
Jun 20, 1:47 PM CDTTornado WarningLSXFayette, Montgomery43 min
Jun 20, 2:32 PM CDTTornado WarningLSXMontgomery28 min
Jun 20, 3:45 PM CDTTornado WarningLSXFayette45 min
Jun 20, 5:58 PM CDTSevere Thunderstorm WarningLSXPike62 min
Jun 20, 6:13 PM CDTTornado WarningLSXPike47 min

Nearby

Tornado Warnings in Illinois, 2000Every tornado warning in 2000Tornadoes 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.