Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 5, NWS St. Louis, MO

April 24, 2002Madison County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 24, 2002, 4:56 PM CDT for Madison County, Missouri. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 24, 2002, 4:56 PM CDT (21:56 UTC)
Expired
Apr 24, 2002, 5:15 PM CDT
In force
19 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Madison County, MO

The radar

The Paducah radar (KPAH), 140 km from the middle of the area, began a volume at 21:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 24, 2:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 295 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, Little Rock, AR at 12:00Z on 2002-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 749 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, Little Rock, AR at 12:00Z on 2002-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
749 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 242156 CCA
TORSTL
MOC123-242215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED...TOWNS IN THE PATH
NATIONAL WEATHER SERVICE ST LOUIS MO
444 PM CDT WED APR 24 2002

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MADISON COUNTY IN SOUTHEAST MISSOURI

* UNTIL 515 PM CDT

* AT 444 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 7 MILES SOUTH OF
  FREDERICKTOWN. THE THUNDERSTORM WAS MOVING EAST AT 50 MPH...AND MAY
  PRODUCE A TORNADO AT ANY TIME

* TOWNS IN THE PATH INCLUDE
  MARQUAND
  RURAL AREAS ALONG HIGHWAY 67
  RURAL AREAS ALONG HIGHWAY A
 
THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW MOVE TO A
BASEMENT...UNDERGROUND STORM SHELTER...OR AN INTERIOR ROOM OR HALLWAY
ON THE LOWEST LEVEL OF A STURDY BUILDING.

AVOID WINDOWS DO NOT OPEN WINDOWS...STAY AWAY FROM THEM...OPENING
WINDOWS DOES NOT MINIMIZE THE DAMAGE OF A TORNADO.

LAT...LON 3757 9034 3733 9036 3732 9016 3758 9015

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 11:48 AM CDTSevere Thunderstorm WarningLSX57 min
Apr 24, 12:10 PM CDTSevere Thunderstorm WarningLSX35 min
Apr 24, 12:16 PM CDTSevere Thunderstorm WarningLSX29 min
Apr 24, 12:30 PM CDTSevere Thunderstorm WarningLSX45 min
Apr 24, 12:46 PM CDTSevere Thunderstorm WarningLSX29 min
Apr 24, 1:11 PM CDTSevere Thunderstorm WarningLSX49 min
Apr 24, 1:20 PM CDTSevere Thunderstorm WarningLSX25 min
Apr 24, 1:51 PM CDTSevere Thunderstorm WarningLSX54 min
Apr 24, 2:01 PM CDTSevere Thunderstorm WarningLSX14 min
Apr 24, 2:21 PM CDTSevere Thunderstorm WarningLSX54 min
Apr 24, 2:50 PM CDTSevere Thunderstorm WarningLSX25 min
Apr 24, 3:00 PM CDTSevere Thunderstorm WarningLSX60 min
Apr 24, 3:13 PM CDTSevere Thunderstorm WarningLSX47 min
Apr 24, 3:19 PM CDTSevere Thunderstorm WarningLSX16 min
Apr 24, 3:27 PM CDTSevere Thunderstorm WarningLSX33 min
Apr 24, 3:29 PM CDTSevere Thunderstorm WarningLSX61 min
Apr 24, 3:35 PM CDTTornado WarningLSXWashington25 min
Apr 24, 3:57 PM CDTSevere Thunderstorm WarningLSX33 min
Apr 24, 3:57 PM CDTSevere Thunderstorm WarningLSX48 min
Apr 24, 4:14 PM CDTSevere Thunderstorm WarningLSX16 min
Apr 24, 4:34 PM CDTSevere Thunderstorm WarningLSX41 min
Apr 24, 4:46 PM CDTTornado WarningLSXMadison29 min
Apr 24, 5:00 PM CDTSevere Thunderstorm WarningLSX45 min

Nearby

Tornado Warnings in Missouri, 2002Every tornado warning in 2002Tornadoes in 2002

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; radar from the NEXRAD Level II archive.