Alert archive / Missouri / Tornado Warnings in 2000

Tornado Warning 51, NWS St. Louis, MO

August 23, 2000Montgomery County, Missouri

NWS St. Louis, MO issued this tornado warning at Aug 23, 2000, 11:02 PM CDT for Montgomery County, Missouri. It was in force for 28 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
Aug 23, 2000, 11:02 PM CDT (04:02 UTC)
Expired
Aug 23, 2000, 11:30 PM CDT
In force
28 min
Issued by
NWS St. Louis, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Montgomery County, MO

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 23, 9:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.0 hours before the alert went out and 268 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 2000-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1082 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2000-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1082 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1541 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 240402
TORSTL

MOC139-240430-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1102 PM CDT WED AUG 23 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 1130 PM CDT

* AT 1102 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR MIDDLETOWN...MOVING EAST-SOUTHEAST AT 30 MPH.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW! A BASEMENT
OFFERS THE BEST PROTECTION. IF A BASEMENT IS NOT AVAILABLE...MOVE TO
THE LOWEST FLOOR AND SEEK SHELTER IN A SMALL INTERIOR ROOM. STAY AWAY
FROM OUTSIDE WALLS AND WINDOWS. MOBILE HOMES SHOULD BE ABANDONED IN
FAVOR OF A MORE SUBSTANTIAL STRUCTURE. DO NOT TRY TO OUTRUN A TORNADO
IN A VEHICLE.

LAT...LON 3919 9154 3901 9152 3902 9128 3917 9126

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 9:52 PM CDTSevere Thunderstorm WarningLSXMarion, Shelby38 min
Aug 23, 10:03 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe42 min
Aug 23, 10:03 PM CDTSevere Thunderstorm WarningLSXBoone42 min
Aug 23, 10:04 PM CDTSevere Thunderstorm WarningLSXRalls41 min
Aug 23, 10:36 PM CDTSevere Thunderstorm WarningLSXAudrain39 min
Aug 23, 10:40 PM CDTSevere Thunderstorm WarningLSXPike50 min
Aug 23, 10:45 PM CDTSevere Thunderstorm WarningLSXRalls30 min
Aug 23, 10:46 PM CDTSevere Thunderstorm WarningLSXMontgomery59 min
Aug 23, 10:58 PM CDTSevere Thunderstorm WarningLSXLincoln62 min
Aug 23, 11:07 PM CDTSevere Thunderstorm WarningLSXWarren53 min
Aug 23, 11:21 PM CDTSevere Thunderstorm WarningLSXSaint Charles54 min
Aug 23, 11:40 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis65 min
Aug 23, 11:45 PM CDTSevere Thunderstorm WarningLSXFranklin45 min
Aug 23, 11:57 PM CDTSevere Thunderstorm WarningLSXJefferson63 min
Aug 24, 1:36 AM CDTFlash Flood WarningLSXAudrain, Montgomery5 hr
Aug 24, 2:28 AM CDTFlash Flood WarningLSXFranklin, Warren5 hr

Nearby

Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive.