Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 1, NWS Kansas City, MO

February 24, 2007Johnson County, Missouri

NWS Kansas City, MO issued this tornado warning at Feb 24, 2007, 5:07 PM CST for Johnson County, Missouri. It was in force for 23 min. 2 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
Feb 24, 2007, 5:07 PM CST (23:07 UTC)
Expired
Feb 24, 2007, 5:30 PM CST
In force
23 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 26 km from the middle of the area, began a volume at 23:08 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
Feb 24, 5:18 PM CSTTORNADO2 S Holden, MODAMAGE TO A HOUSE AND OUTBUILDINGS. POWER LINES DOWN.
Feb 24, 5:21 PM CSTTORNADO2 Ne Holden, MO

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

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.1 hours before the alert went out and 147 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 2007-02-24Temperature 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 2007-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 396 square meters per square second.1939587897117Sfc1 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
1073 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
396 m²/s²
0-3 km storm-relative helicity
392 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 242308
TOREAX
MOC101-242330-
/O.NEW.KEAX.TO.W.0001.070224T2307Z-070224T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
507 PM CST SAT FEB 24 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN JOHNSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 530 PM CST

* AT 503 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  ISOLATED THUNDERSTORM WITH INTENSE ROTATION 6 MILES SOUTH OF
  HOLDEN. THIS DANGEROUS STORM IS IN AN ENVIRONMENT THAT IS 
  CONDUCIVE TO PRODUCING BRIEF SMALL TORNADOES. THIS STORM IS MOVING
  NORTHEAST AT 30 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  HOLDEN BY 515 PM CST.

THE TOWN OF PITTSVILLE IS ALSO IN THE PATH OF THIS TORNADIC STORM.

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 3862 9406 3861 9398 3888 9380 3889 9401

$$

BOOKBINDER
3 follow-up statements
000 
WWUS53 KEAX 242320
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
517 PM CST SAT FEB 24 2007

MOC101-242330-
/O.CON.KEAX.TO.W.0001.000000T0000Z-070224T2330Z/
JOHNSON MO-
517 PM CST SAT FEB 24 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN JOHNSON COUNTY IN
WEST CENTRAL MISSOURI UNTIL 530 PM CST...

AT 512 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
ISOLATED THUNDERSTORM WITH INTENSE ROTATION JUST EAST OF HOLDEN. AT 
510 PM...JOHNSON COUNTY SHERRIFFS OFFICE RELAYED SEVERAL UNCONFIRMED 
REPORTS OF A TORNADO IN THAT VICINITY.

THIS DANGEROUS STORM IS MOVING NORTH AT 35 MPH AND WILL AFFECT 
MAINLY RURAL AREAS OF WESTERN JOHNSON COUNTY...PASSING ABOUT 5 MILES 
EAST OF PITTSVILLE.

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 3869 9403 3867 9395 3888 9380 3889 9396

$$

BOOKBINDER
000 
WWUS53 KEAX 242329
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
527 PM CST SAT FEB 24 2007

MOC101-242330-
/O.CON.KEAX.TO.W.0001.000000T0000Z-070224T2330Z/
JOHNSON MO-
527 PM CST SAT FEB 24 2007

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN JOHNSON COUNTY IN
WEST CENTRAL MISSOURI UNTIL 530 PM CST...

AT 522 PM CST...AN OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE AND 
JOHNSON COUNTY EMERGENCY MANAGEMENT OBSERVED A TORNADO THAT HAS 
PRODUCED DAMAGE NEAR HOLDEN. THIS TORNADO HAS SINCE LIFTED AND A 
FUNNEL CLOUD WAS BEING OBSERVED 4 MILES SOUTHEAST OF PITTSVILLE AT 
526 PM. 

DOPPLER RADAR SHOWS THAT THIS STORM IS WEAKENING QUICKLY AND ITS 
TORNADO POTENTIAL WILL LIKELY DIMINISH ENTIRELY IN THE NEXT SEVERAL 
MINUTES.

LAT...LON 3879 9399 3875 9388 3888 9380 3889 9401

$$

BOOKBINDER
000 
WWUS53 KEAX 242334
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
534 PM CST SAT FEB 24 2007

MOC101-242344-
/O.EXP.KEAX.TO.W.0001.000000T0000Z-070224T2330Z/
JOHNSON MO-
534 PM CST SAT FEB 24 2007

...THE TORNADO WARNING FOR NORTHERN JOHNSON COUNTY IN WEST CENTRAL
MISSOURI HAS BEEN ALLOWED TO EXPIRE...

AT 532 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORM WHICH PRODUCED THE TORNADO HAS MERGED WITH OTHER 
SHOWERS AND THUNDERSTORMS...AND NO LONGER POSES AN IMMEDIATE THREAT 
TO LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED 
TO EXPIRE.

TO REPORT TORNADO DAMAGE...CONTACT YOUR NEAREST LAW ENFORCEMENT 
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE 
IN PLEASANT HILL.

LAT...LON 3879 9399 3875 9388 3888 9380 3889 9401

$$

BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 3:40 AM CSTSnow and Blowing Snow AdvisoryEAXAndrew, Atchison, Gentry, Harrison, Holt, Nodaway and 1 more29 hr

Nearby

Tornado Warnings in Missouri, 2007Every tornado warning in 2007Tornadoes in 2007

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.