Alert archive / Kansas / Tornado Warnings in 2006

Tornado Warning 1, NWS Kansas City, MO

March 12, 2006Johnson County, Leavenworth County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 12, 2006, 8:18 AM CST for Johnson County, Leavenworth County, Kansas. It was in force for 27 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: Mar 12, 2006, 8:18 AM CST (14:18 UTC)
Expired: Mar 12, 2006, 8:45 AM CST
In force: 27 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

Counties Johnson County, KS, Leavenworth County, KS

The radar

The Pleasant Hill radar (KEAX), 72 km from the middle of the area, began a volume at 14:18 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	Remark
Mar 12, 8:25 AM CST	TSTM WND DMG	Reno, KS	STRUCTURAL DAMAGE REPORTED IN THE RENO AREA...POSSIBLE TORNADO. ONE PERSON REPORTED MISSING AT THIS TIME. CORN STALKS VISIBLE FALLING FROM THE SKY. REPORTED BY LEAVENWORTH COUNTY EMD

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
Mar 12, 7:47 AM CST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 2.3 hours before the alert went out and 50 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: 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 121419
TOREAX
KSC091-103-121445-
/O.NEW.KEAX.TO.W.0001.060312T1418Z-060312T1445Z/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS
  SOUTHERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS

* UNTIL 845 AM CST

* AT 815 AM CST...A TORNADO WAS REPORTED IN LAWRENCE. DOPPLER RADAR  
  SHOWED THIS TORNADO MOVING EAST AT 55 MPH. DAMAGE HAS BEEN         
  REPORTED IN THE CITY OF LAWRENCE.

* THE TORNADO WILL BE NEAR...
  DE SOTO AND LINWOOD BY 825 AM 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 3905 9517 3898 9517 3896 9510 3898 9505
      3891 9505 3892 9490 3908 9491

$$

KOCH

2 follow-up statements

000 
WWUS53 KEAX 121427
SVSEAX

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

KSC091-103-121445-
/O.CON.KEAX.TO.W.0001.000000T0000Z-060312T1445Z/
LEAVENWORTH KS-JOHNSON KS-
825 AM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN JOHNSON AND
SOUTHERN LEAVENWORTH COUNTIES UNTIL 845 AM CST...

AT 820 AM CST...TRAINED WEATHER SPOTTERS REPORTED A DAMAGE IN THE 
COMMUNITY OF RENO JUST EAST OF LAWRENCE.  THIS STORM HAS HAD A 
HISTORY OF PRODUCING DAMAGE IN LAWRENCE AND WAS MOVING AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  DESOTO BY 845 AM 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 3905 9517 3898 9517 3896 9510 3898 9505
      3891 9505 3892 9490 3908 9491

$$

KOCH

000 
WWUS53 KEAX 121445
SVSEAX

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

KSC091-103-209-121454-
/O.EXP.KEAX.SV.W.0001.000000T0000Z-060312T1445Z/
LEAVENWORTH KS-WYANDOTTE KS-JOHNSON KS-
844 AM CST SUN MAR 12 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JOHNSON...WESTERN
WYANDOTTE AND SOUTHERN LEAVENWORTH COUNTIES HAS BEEN ALLOWED TO
EXPIRE...

ANOTHER SEVERE THUNDERSTORM HAS PROMPTED A SEVERE THUNDERSTORM 
WARNING FOR NORTHERN LEAVENWORTH COUNTY...BUT SOUTHERN PORTIONS OF 
THE COUNTY HAVE BEEN CLEARED FROM THE SEVERE THUNDERSTORM WARNING.

AT 843 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO
EXPIRE.

LAT...LON 3926 9513 3911 9512 3911 9503 3899 9502
      3891 9502 3893 9478 3918 9478 3929 9489

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 8:10 AM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	35 min
Mar 12, 8:37 AM CST	Severe Thunderstorm Warning	EAX	Wyandotte	38 min
Mar 12, 8:41 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	34 min
Mar 12, 9:12 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Doniphan	33 min
Mar 12, 10:30 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	30 min
Mar 12, 1:26 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	64 min
Mar 12, 1:37 PM CST	Tornado Warning	EAX	Linn	38 min
Mar 12, 2:00 PM CST	Tornado Warning	EAX	Johnson, Wyandotte	30 min
Mar 12, 2:08 PM CST	Tornado Warning	EAX	Linn, Miami	52 min
Mar 12, 2:16 PM CST	Tornado Warning	EAX	Wyandotte	29 min
Mar 12, 2:20 PM CST	Tornado Warning	EAX	Johnson, Leavenworth, Wyandotte	25 min
Mar 12, 2:34 PM CST	Tornado Warning	EAX	Linn	41 min
Mar 12, 4:38 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Wyandotte	37 min
Mar 12, 4:40 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	19 min

Nearby

Tornado Warnings in Kansas, 2006 Every tornado warning in 2006 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.