Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 5, NWS Kansas City, MO

April 30, 2003Harrison County, Missouri

NWS Kansas City, MO issued this tornado warning at Apr 30, 2003, 7:31 PM CDT for Harrison County, Missouri. It was in force for 44 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 30, 2003, 7:31 PM CDT (00:31 UTC)
Expired
Apr 30, 2003, 8:15 PM CDT
In force
44 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Harrison County, MO

The radar

The Des Moines radar (KDMX), 145 km from the middle of the area, began a volume at 00:32 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 30, 5:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.5 hours before the alert went out and 212 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 00:00Z on 2003-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3988 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2003-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
3988 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1381 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
1.0
Supercell composite
10.2

Open this sounding in Storm Lab

The text

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

997 
WFUS53 KEAX 010031
TOREAX
MOC081-010115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
730 PM CDT WED APR 30 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HARRISON COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 815 PM CDT

* AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR RIDGEWAY...OR 10 MILES NORTHEAST OF
  BETHANY...MOVING EAST AT 40 MPH. LARGE HAIL AND DESTRUCTIVE   
  THUNDERSTORM WINDS ARE ALSO LIKELY WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   MOUNT MORIAH BY 740 PM CDT.

A TORNADO TOUCHDOWN WAS REPORTED SOUTH OF EAGLEVILLE WITH THIS STORM

IN ADDITION TO THE TORNADO THREAT...THIS STORM WILL PRODUCE DAMAGING 
STRAIGHT LINE WINDS IN EXCESS OF 70 MPH AND GOLF BALL SIZE HAIL. IF 
YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS TO A 
CENTER LOCATION ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. DO NOT 
DRIVE INTO THE PATH OF THIS STORM AND DO NOT SEEK SHELTER UNDER A 
HIGHWAY OVERPASS

LAT...LON 4056 9418 4028 9421 4029 9378 4056 9379

$$

HUDSON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:05 PM CDTSevere Thunderstorm WarningEAXBuchanan40 min
Apr 30, 7:14 PM CDTTornado WarningEAXPlatte31 min
Apr 30, 7:31 PM CDTSevere Thunderstorm WarningEAXClinton59 min
Apr 30, 7:36 PM CDTSevere Thunderstorm WarningEAXGentry39 min
Apr 30, 7:36 PM CDTTornado WarningEAXClinton39 min
Apr 30, 7:48 PM CDTTornado WarningEAXMercer57 min
Apr 30, 7:54 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan66 min
Apr 30, 8:08 PM CDTTornado WarningEAXBuchanan37 min
Apr 30, 8:11 PM CDTTornado WarningEAXClinton19 min
Apr 30, 8:17 PM CDTSevere Thunderstorm WarningEAXHarrison58 min
Apr 30, 8:19 PM CDTSevere Thunderstorm WarningEAXCaldwell56 min
Apr 30, 8:21 PM CDTSevere Thunderstorm WarningEAXDeKalb69 min
Apr 30, 8:30 PM CDTTornado WarningEAXPutnam60 min
Apr 30, 8:38 PM CDTSevere Thunderstorm WarningEAXCaldwell37 min
Apr 30, 8:49 PM CDTSevere Thunderstorm WarningEAXMercer56 min
Apr 30, 9:10 PM CDTSevere Thunderstorm WarningEAXClinton50 min
Apr 30, 9:23 PM CDTTornado WarningEAXSchuyler52 min
Apr 30, 9:27 PM CDTSevere Thunderstorm WarningEAXJackson63 min
Apr 30, 9:29 PM CDTSevere Thunderstorm WarningEAXDaviess, DeKalb61 min
Apr 30, 9:41 PM CDTSevere Thunderstorm WarningEAXCaldwell64 min
Apr 30, 10:12 PM CDTSevere Thunderstorm WarningEAXLivingston63 min
Apr 30, 10:41 PM CDTSevere Thunderstorm WarningEAXBates64 min
Apr 30, 10:53 PM CDTSevere Thunderstorm WarningEAXRay52 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; radar from the NEXRAD Level II archive.