Alert archive / Missouri / Tornado Warnings in 2000

Tornado Warning 13, NWS St. Louis, MO

April 19, 2000Saint Charles County, Saint Louis County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 19, 2000, 6:37 PM CDT for Saint Charles County, Saint Louis County, Missouri. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2000, 6:37 PM CDT (23:37 UTC)
Expired
Apr 19, 2000, 7:10 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Saint Charles County, MO, Saint Louis County, MO

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 19, 4:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 232 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 2000-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1658 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

188 
WFUS53 KLSX 192337
TORSTL
MOC183-189-200010-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT WED APR 19 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  NORTHERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 710 PM CDT

* AT 635 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO OVER WELDON SPRING... MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IN THE PATH...
  ST CHARLES
  MARYLAND HEIGHTS
  BRIDGETON



IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW A
BASEMENT OFFERS THE BEST PROTECTION. IF 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

TES/RP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:04 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau46 min
Apr 19, 4:23 PM CDTSevere Thunderstorm WarningLSXBoone32 min
Apr 19, 4:29 PM CDTSevere Thunderstorm WarningLSXCallaway31 min
Apr 19, 6:15 PM CDTSevere Thunderstorm WarningLSXSaint Charles30 min
Apr 19, 6:19 PM CDTSevere Thunderstorm WarningLSXSaint Louis46 min

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.