Alert archive / Kansas / Tornado Warnings in 2004

Tornado Warning 67, NWS Kansas City, MO

August 23, 2004Johnson County, Kansas

NWS Kansas City, MO issued this tornado warning at Aug 23, 2004, 9:18 PM CDT for Johnson County, Kansas. It was in force for 87 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: Aug 23, 2004, 9:18 PM CDT (02:18 UTC)
Expired: Aug 23, 2004, 10:45 PM CDT
In force: 87 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Johnson County, KS

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 23, 6:15 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.3 hours before the alert went out and 67 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: 2446 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 577 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 314 m²/s²
0-3 km storm-relative helicity: 513 m²/s²
Significant tornado parameter: 4.3
Supercell composite: 21.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 240218
TOREAX
KSC091-240345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
916 PM CDT MON AUG 23 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL KANSAS
  THIS INCLUDES THE CITY OF OLATHE

* UNTIL 1045 PM CDT

* AT 912 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. A FUNNEL
  CLOUD 4 MILES SOUTHEAST OF LAWRENCE WAS REPORTED WITH THIS
  STORM. THIS DANGEROUS STORM WAS LOCATED 7 MILES NORTH OF BALDWIN
  CITY...OR ABOUT 7 MILES SOUTH OF LAWRENCE...AND MOVING EAST AT 
  10 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
   GARDNER BY 1015 PM CDT.
   OLATHE BY 1040 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.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3895 9504 3875 9505 3874 9463 3897 9464
      3902 9482 3897 9494

$$

PC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 9:54 PM CDT	Severe Thunderstorm Warning	EAX	Miami	66 min
Aug 23, 10:20 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	40 min
Aug 23, 10:52 PM CDT	Flash Flood Warning	EAX	Johnson, Miami	6 hr
Aug 24, 7:25 AM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	35 min

Nearby

Tornado Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive.