Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 22, NWS Kansas City, MO

May 4, 2003Clay County, Clinton County, Missouri

NWS Kansas City, MO issued this tornado warning at May 4, 2003, 5:06 PM CDT for Clay County, Clinton County, Missouri. It was in force for 24 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
May 4, 2003, 5:06 PM CDT (22:06 UTC)
Expired
May 4, 2003, 5:30 PM CDT
In force
24 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Clay County, MO, Clinton County, MO

The watch it was issued in

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

IssuedProductOfficeLasted
May 4, 12:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.1 hours before the alert went out and 123 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, Topeka, KS at 12:00Z on 2003-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 409 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, Topeka, KS at 12:00Z on 2003-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 582 square meters per square second.1939587897Sfc1 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
409 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
582 m²/s²
0-3 km storm-relative helicity
841 m²/s²
Significant tornado parameter
0.0
Supercell composite
17.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 042126
TOREAX
MOC047-049-042230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
423 PM CDT SUN MAY 4 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  CLINTON COUNTY IN NORTHWEST MISSOURI
  CLAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 530 PM CDT

* AT 419 PM CDT...STORM SPOTTERS WERE TRACKING TWO TORNADIC
  THUNDERSTORMS. ONE STORM WAS LOCATED NEAR RIDGELY...OR 23 MILES 
  NORTHWEST OF KANSAS CITY...MOVING NORTHEAST AT 30 MPH. THE SECOND 
  STORM WAS LOCATED ALONG INTERSTATE 435 AND WALLCOTT MOVING EAST AT 
  35. LARGE HAIL AND DESTRUCTIVE THUNDERSTORM WINDS ARE ALSO LIKELY 
  WITH THIS STORM.

* THIS NORTHERN STORM IS EXPECTED TO BE NEAR...
   GRAYSON....TRIMBLE BY 435 PM CDT.
   GOWER....KEARNEY....MOSBY BY 440 PM CDT.
   PLATTSBURG....HOLT BY 445 PM CDT.
   HEMPLE....EXCELSIOR SPRINGS BY 450 PM CDT.
   LATHROP BY 455 PM CDT.
   PERRIN BY 500 PM CDT.

A DAMAGING TORNADO HAS BEEN CONFIRMED WITH THIS STORM THIS IS A
LIFE-THREATENING SITUATION. IF YOU ARE IN ITS PATH...MOVE QUICKLY TO
THE CENTER AREA OF THE LOWEST FLOOR OF THE BUILDING. ABANDON
AUTOMOBILES BUT DO NOT SEEK SHELTER UNDER HIGHWAY OVERPASSES

LAT...LON 3973 9424 3927 9424 3918 9460 3973 9461

$$


SEAMAN

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 3:57 AM CDTSevere Thunderstorm WarningEAXBates33 min
May 4, 3:07 PM CDTSevere Thunderstorm WarningEAXAndrew53 min
May 4, 3:43 PM CDTTornado WarningEAXBuchanan62 min
May 4, 3:50 PM CDTTornado WarningEAXPlatte55 min
May 4, 4:18 PM CDTSevere Thunderstorm WarningEAXChariton, Randolph57 min
May 4, 4:21 PM CDTTornado WarningEAXJackson54 min
May 4, 4:26 PM CDTTornado WarningEAXClay, Clinton64 min
May 4, 4:31 PM CDTTornado WarningEAXPlatte59 min
May 4, 4:59 PM CDTTornado WarningEAXCass61 min
May 4, 5:03 PM CDTTornado WarningEAXRay57 min
May 4, 5:16 PM CDTTornado WarningEAXJackson44 min
May 4, 5:21 PM CDTTornado WarningEAXBates24 min
May 4, 5:22 PM CDTTornado WarningEAXClay38 min
May 4, 5:46 PM CDTTornado WarningEAXCass44 min
May 4, 5:47 PM CDTSevere Thunderstorm WarningEAXNodaway28 min
May 4, 5:53 PM CDTTornado WarningEAXRay37 min
May 4, 5:55 PM CDTSevere Thunderstorm WarningEAXAtchison50 min
May 4, 6:10 PM CDTTornado WarningEAXJohnson65 min
May 4, 6:12 PM CDTTornado WarningEAXCarroll63 min
May 4, 6:17 PM CDTSevere Thunderstorm WarningEAXGentry, Nodaway43 min
May 4, 6:19 PM CDTSevere Thunderstorm WarningEAXJackson56 min
May 4, 6:34 PM CDTSevere Thunderstorm WarningEAXDaviess, DeKalb56 min

Nearby

Tornado Warnings in Missouri, 2003Every tornado warning in 2003Tornadoes in 2003

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.