Alert archive / Missouri / Tornado Warnings in 2002

Tornado Warning 10, NWS Kansas City, MO

May 8, 2002Clay County, Clinton County, Missouri

NWS Kansas City, MO issued this tornado warning at May 8, 2002, 7:02 PM CDT for Clay County, Clinton County, Missouri. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 8, 2002, 7:02 PM CDT (00:02 UTC)
Expired
May 8, 2002, 7:45 PM CDT
In force
43 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Clay County, MO, Clinton County, MO

The radar

The Pleasant Hill radar (KEAX), 76 km from the middle of the area, began a volume at 00:04 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.

What was reported inside it

TimeReportWhereRemark
May 8, 7:20 PM CDTTornado F0Plattsburg, MOBrief tornado touchdown with no damage reported.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
May 8, 5:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.0 hours before the alert went out and 114 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 2002-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
2 J/kg
Mixed-layer CIN
-406 J/kg
Mixed-layer LCL
2470 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 090002
TORMCI
MOC047-049-090045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
701 PM CDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
  DANGEROUS STORM WAS LOCATED NEAR SMITHVILLE...MOVING NORTHEAST AT 
  55 MPH. THIS STORM DID PRODUCE A TORNADO IN LEAVENWORTH COUNTY 
  WITH RECENT FUNNEL CLOUD SIGHTINGS IN PLATTE COUNTY.  LARGE HAIL 
  AND DESTRUCTIVE THUNDERSTORM WINDS ARE ALSO LIKELY WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   KEARNEY BY 710 PM CDT.
   HOLT...PLATTSBURG BY 715 PM CDT.
   LATHROP BY 720 PM CDT.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3951 9462 3925 9461 3939 9422 3972 9424

HUDSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:05 PM CDTSevere Thunderstorm WarningEAXDaviess55 min
May 8, 7:09 PM CDTSevere Thunderstorm WarningEAXLafayette66 min
May 8, 7:13 PM CDTSevere Thunderstorm WarningEAXWorth47 min
May 8, 7:20 PM CDTFlash Flood WarningEAXLafayette4 hr
May 8, 7:22 PM CDTTornado WarningEAXHarrison, Worth38 min
May 8, 7:29 PM CDTSevere Thunderstorm WarningEAXCass, Jackson61 min
May 8, 7:33 PM CDTSevere Thunderstorm WarningEAXJohnson57 min
May 8, 7:37 PM CDTSevere Thunderstorm WarningEAXSaline53 min
May 8, 7:40 PM CDTFlash Flood WarningEAXJohnson4 hr
May 8, 7:45 PM CDTSevere Thunderstorm WarningEAXGrundy60 min
May 8, 7:54 PM CDTFlash Flood WarningEAXCass, Jackson3 hr
May 8, 7:55 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Daviess, Livingston65 min
May 8, 7:57 PM CDTSevere Thunderstorm WarningEAXBates, Henry63 min
May 8, 8:00 PM CDTFlash Flood WarningEAXCooper, Howard, Pettis, Saline4 hr
May 8, 8:02 PM CDTSevere Thunderstorm WarningEAXPettis58 min
May 8, 8:17 PM CDTSevere Thunderstorm WarningEAXMacon, Randolph43 min
May 8, 8:18 PM CDTFlash Flood WarningEAXHenry4 hr
May 8, 8:26 PM CDTSevere Thunderstorm WarningEAXCooper, Howard64 min
May 8, 8:45 PM CDTSevere Thunderstorm WarningEAXMacon30 min
May 8, 9:04 PM CDTSevere Thunderstorm WarningEAXBates56 min
May 8, 9:22 PM CDTSevere Thunderstorm WarningEAXHenry53 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.