Alert archive / Kansas / Tornado Warnings in 2006

Tornado Warning 11, NWS Kansas City, MO

March 12, 2006Johnson County, Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 12, 2006, 2:20 PM CST for Johnson County, Leavenworth County, Wyandotte County, Kansas. It was in force for 25 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
Mar 12, 2006, 2:20 PM CST (20:20 UTC)
Expired
Mar 12, 2006, 2:45 PM CST
In force
25 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS

The radar

The Pleasant Hill radar (KEAX), 59 km from the middle of the area, began a volume at 20:21 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
Mar 12, 11:49 AM CSTTornado WatchSPC10 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.3 hours before the alert went out and 64 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 2006-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2006-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 622 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1452 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
622 m²/s²
0-3 km storm-relative helicity
826 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 122020
TOREAX
KSC091-103-209-122045-
/O.NEW.KEAX.TO.W.0011.060312T2020Z-060312T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
220 PM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JOHNSON COUNTY IN EAST CENTRAL KANSAS
  WYANDOTTE COUNTY IN NORTHEAST KANSAS
  SOUTHEASTERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS

* UNTIL 245 PM CST

* AT 216 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SECOND SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
  DANGEROUS STORM WAS LOCATED AGAIN NEAR EUDORA...OR 6 MILES 
  SOUTHWEST OF DE SOTO...MOVING NORTHEAST AT 55 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  EDWARDSVILLE...BONNER SPRINGS...SHAWNEE AND LAKE QUIVIRA BY 230 PM
  CST.
  8 MILES NORTHWEST OF MERRIAM AND 9 MILES NORTHWEST OF MISSION BY
  235 PM CST.
  KANSAS CITY BY 240 PM CST.

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 3897 9506 3884 9506 3898 9461 3919 9473

$$

BOOKBINDER
2 follow-up statements
000 
WWUS53 KEAX 122032
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
231 PM CST SUN MAR 12 2006

KSC091-103-209-122045-
/O.CON.KEAX.TO.W.0011.000000T0000Z-060312T2045Z/
LEAVENWORTH KS-WYANDOTTE KS-JOHNSON KS-
231 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN JOHNSON...
WYANDOTTE AND SOUTHEASTERN LEAVENWORTH COUNTIES UNTIL 245 PM CST...

AT 226 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED JUST EAST DE SOTO...MOVING NORTHEAST AT 55 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  KANSAS CITY KANSAS...MISSION...AND SHAWNEE BY 240 PM CST.

IN ADDITION TO A TORNADO...VERY LARGE HAIL UP TO GOLF BALL SIZE IS 
EXPECTED ACROSS BONNER SPRINGS AND KANSAS CITY KANSAS.

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 3900 9504 3892 9495 3898 9461 3919 9473

$$

BOOKBINDER
000 
WWUS53 KEAX 122041
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
240 PM CST SUN MAR 12 2006

KSC091-103-209-122050-
/O.EXP.KEAX.TO.W.0011.000000T0000Z-060312T2045Z/
LEAVENWORTH KS-WYANDOTTE KS-JOHNSON KS-
240 PM CST SUN MAR 12 2006

...THE TORNADO WARNING FOR NORTHERN JOHNSON...WYANDOTTE AND
SOUTHEASTERN LEAVENWORTH COUNTIES HAS BEEN ALLOWED TO EXPIRE...

AT 235 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

ADDITIONAL WARNINGS MAY BE REQUIRED ALONG AND EAST OF KANSAS CITY. 

LAT...LON 3900 9504 3892 9495 3898 9461 3919 9473

$$

BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 8:10 AM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte35 min
Mar 12, 8:18 AM CSTTornado WarningEAXJohnson, Leavenworth27 min
Mar 12, 8:37 AM CSTSevere Thunderstorm WarningEAXWyandotte38 min
Mar 12, 8:41 AM CSTSevere Thunderstorm WarningEAXAtchison, Leavenworth34 min
Mar 12, 9:12 AM CSTSevere Thunderstorm WarningEAXAtchison, Doniphan33 min
Mar 12, 10:30 AM CSTSevere Thunderstorm WarningEAXAtchison, Leavenworth30 min
Mar 12, 1:26 PM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte64 min
Mar 12, 1:37 PM CSTTornado WarningEAXLinn38 min
Mar 12, 2:00 PM CSTTornado WarningEAXJohnson, Wyandotte30 min
Mar 12, 2:08 PM CSTTornado WarningEAXLinn, Miami52 min
Mar 12, 2:16 PM CSTTornado WarningEAXWyandotte29 min
Mar 12, 2:34 PM CSTTornado WarningEAXLinn41 min
Mar 12, 4:38 PM CSTSevere Thunderstorm WarningEAXJohnson, Wyandotte37 min
Mar 12, 4:40 PM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte19 min

Nearby

Tornado Warnings in Kansas, 2006Every tornado warning in 2006Tornadoes in 2006

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.