Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 20, NWS Kansas City, MO

May 4, 2003Cass County, Missouri; Miami County, Kansas

NWS Kansas City, MO issued this tornado warning at May 4, 2003, 4:59 PM CDT for Cass County, Missouri; Miami County, Kansas. It was in force for 61 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, 4:59 PM CDT (21:59 UTC)
Expired
May 4, 2003, 6:00 PM CDT
In force
61 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Miami County, KS, Cass 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, 10.0 hours before the alert went out and 97 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°0°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.

835 
WFUS53 KEAX 042159
TOREAX
KSC121-MOC037-042300-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MIAMI COUNTY IN EAST CENTRAL KANSAS
  WESTERN CASS COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 600 PM CDT

* AT 450 PM CDT...THE PUBLIC REPORTED A TORNADO NEAR FONTANA...OR 11
  MILES SOUTH OF PAOLA...MOVING NORTHEAST AT 25 MPH. LARGE HAIL AND
  DESTRUCTIVE THUNDERSTORM WINDS ARE ALSO LIKELY WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   HILLSDALE BY 510 PM CDT.
   SOMERSET BY 515 PM CDT.
   LOUISBURG BY 525 PM CDT.
   BUCYRUS BY 530 PM CDT.
   CLEVELAND BY 535 PM CDT.
   FREEMAN BY 540 PM CDT.

THE TOWNS OF WEST LINE AND LAKE ANNETTE ARE ALSO IN THE PATH OF THIS
TORNADO.

LAT...LON 3841 9488 3841 9485 3841 9466 3850 9463
          3848 9435 3884 9436 3883 9456 3874 9462
          3872 9486

$$


DB

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, 5:03 PM CDTTornado WarningEAXRay57 min
May 4, 5:06 PM CDTTornado WarningEAXClay, Clinton24 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
May 4, 2:00 PM CDTSevere Thunderstorm WarningEAXAtchison45 min
May 4, 2:26 PM CDTSevere Thunderstorm WarningEAXDoniphan64 min
May 4, 3:13 PM CDTSevere Thunderstorm WarningEAXLeavenworth32 min
May 4, 3:30 PM CDTTornado Warning EmergencyEAXLeavenworth45 min
May 4, 4:02 PM CDTTornado WarningEAXWyandotte43 min
May 4, 4:20 PM CDTTornado WarningEAXLinn, Miami40 min

Nearby

Tornado Warnings in Missouri, 2003Tornado Warnings in Kansas, 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.