Alert archive / Missouri / Tornado Warnings in 2004

Tornado Warning 42, NWS Kansas City, MO

May 29, 2004Clay County, Missouri

NWS Kansas City, MO issued this tornado warning at May 29, 2004, 6:55 PM CDT for Clay County, Missouri. It was in force for 95 min. 6 reports 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 29, 2004, 6:55 PM CDT (23:55 UTC)
Expired: May 29, 2004, 8:30 PM CDT
In force: 95 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Clay County, MO

The radar

The Pleasant Hill radar (KEAX), 67 km from the middle of the area, began a volume at 23:57 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

Time	Report	Where
May 29, 7:02 PM CDT	HAIL 0.75	Smithville, MO
May 29, 7:02 PM CDT	HAIL 0.75	Smithville, MO
May 29, 7:07 PM CDT	HAIL 1.75	1 Ne Smithville, MO
May 29, 7:07 PM CDT	HAIL 1.75	1 Ne Smithville, MO
May 29, 7:07 PM CDT	HAIL 1.75	5 Ne Smithville, MO
May 29, 7:07 PM CDT	HAIL 1.75	5 Ne Smithville, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 29, 4:35 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.9 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2060 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 792 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: -30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

816 
WFUS53 KEAX 292355
TOREAX
MOC047-300130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
655 PM CDT SAT MAY 29 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 653 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR SMITHVILLE...OR ABOUT 18 MILES NORTH OF
  KANSAS CITY...AND MOVING EAST AT 20 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
   SMITHVILLE BY 705 PM CDT.
   KEARNEY BY 735 PM CDT.
   HOLT BY 740 PM CDT.
   EXCELSIOR SPRINGS BY 755 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3945 9461 3928 9461 3932 9424 3945 9425

$$

HUDSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 5:15 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Platte	75 min
May 29, 5:28 PM CDT	Tornado Warning	EAX	Platte	92 min
May 29, 5:47 PM CDT	Tornado Warning	EAX	Buchanan	88 min
May 29, 6:51 PM CDT	Tornado Warning	EAX	Clinton	84 min

Nearby

Tornado Warnings in Missouri, 2004 Every tornado warning in 2004 Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.