Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 59, NWS Kansas City, MO

September 12, 2008Wyandotte County, Kansas; Clay County, Platte County, Missouri

NWS Kansas City, MO issued this tornado warning at Sep 12, 2008, 5:59 PM CDT for Wyandotte County, Kansas; Clay County, Platte County, Missouri. It was in force for 46 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
Sep 12, 2008, 5:59 PM CDT (22:59 UTC)
Expired
Sep 12, 2008, 6:45 PM CDT
In force
46 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon

Counties Wyandotte County, KS, Clay County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 57 km from the middle of the area, began a volume at 23:01 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
Sep 12, 4:28 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.0 hours before the alert went out and 90 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 2008-09-12Temperature 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 2008-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 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
595 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
76 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 122259
TOREAX
KSC209-MOC047-165-122345-
/O.NEW.KEAX.TO.W.0059.080912T2259Z-080912T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
559 PM CDT FRI SEP 12 2008

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL WYANDOTTE COUNTY IN NORTHEAST KANSAS
  SOUTHWESTERN CLAY COUNTY IN WEST CENTRAL MISSOURI
  SOUTHEASTERN PLATTE COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 645 PM CDT

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES NORTHEAST OF EDWARDSVILLE...AND MOVING   
  NORTHEAST AT 25 MPH. THIS STORM HAS A HISTORY OF PRODUCING 
  TORNADOES WITH DAMAGE NEAR DE SOTO.

* THIS TORNADIC STORM WILL BE NEAR...
  PARKVILLE BY 610 PM CDT.
  WEATHERBY LAKE...HOUSTON LAKE AND RIVERSIDE BY 615 PM CDT.   
  INTERSTATE 29...LAKE WAUKOMIS...PLATTE WOODS AND NORTHMOOR BY 620 
  PM CDT.   
  OAKVIEW AND GLADSTONE BY 625 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE OAKS...
OAKWOOD AND OAKWOOD PARK.

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 3932 9458 3926 9445 3909 9477 3914 9484
TIME...MOT...LOC 2258Z 227DEG 19KT 3915 9475

$$

BOOKBINDER
5 follow-up statements
000 
WWUS53 KEAX 122311
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
611 PM CDT FRI SEP 12 2008

KSC209-MOC047-165-122345-
/O.CON.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
WYANDOTTE KS-CLAY MO-PLATTE MO-
610 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PLATTE...
WESTERN CLAY AND CENTRAL WYANDOTTE COUNTIES UNTIL 645 PM CDT...

AT 606 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR PARKVILLE...MOVING NORTHEAST AT 25 MPH. A 
SECOND SLIGHTLY WEAKER STORM WAS LOCATED OVER BONNER SPRINGS AT 610 
PM...AND CONTINUES TO EXHIBIT SOME WEAK ROTATION. IT WILL ALSO TRACK 
TOWARD THE PARKVILLE AREA IN THE NEXT HALF HOUR. 

THIS DANGEROUS STORM WILL BE NEAR...
  PLATTE WOODS...HOUSTON LAKE...WEATHERBY LAKE AND NORTHMOOR BY 615
  PM CDT.
  LAKE WAUKOMIS...OAKVIEW AND GLADSTONE BY 620 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE OAKWOOD AND OAKWOOD
PARK.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR STORM
SHELTER. 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 3932 9458 3926 9445 3909 9477 3914 9484
TIME...MOT...LOC 2310Z 227DEG 20KT 3920 9468

$$

BOOKBINDER
000 
WWUS53 KEAX 122325
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
625 PM CDT FRI SEP 12 2008

KSC209-MOC047-165-122345-
/O.CON.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
WYANDOTTE KS-CLAY MO-PLATTE MO-
624 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PLATTE...
WESTERN CLAY AND CENTRAL WYANDOTTE COUNTIES UNTIL 645 PM CDT...

AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LAKE WAUKOMIS...OR NEAR WEATHERBY 
LAKE...MOVING NORTHEAST AT 20 MPH. A SECOND STORM WITH ROTATION WAS 
LOCATED NEAR MAYWOOD AND ALSO MOVING NORTHEAST AT 20 MPH.

THE LEAD STORM WILL PASS NORTH OF GLADSTONE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR STORM
SHELTER. 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 3932 9458 3926 9445 3909 9477 3914 9484
TIME...MOT...LOC 2324Z 227DEG 20KT 3925 9461

$$

BOOKBINDER
000 
WWUS53 KEAX 122336
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
636 PM CDT FRI SEP 12 2008

KSC209-MOC047-165-122345-
/O.CON.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
WYANDOTTE KS-CLAY MO-PLATTE MO-
633 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PLATTE...
WESTERN CLAY AND CENTRAL WYANDOTTE COUNTIES UNTIL 645 PM CDT...

AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING BRIEF TORNADOES.  THIS 
DANGEROUS STORM WAS LOCATED NEAR LAKE WAUKOMIS...OR NEAR 
GLADSTONE...MOVING NORTHEAST AT 20 MPH. A SECOND STORM WAS LOCATED 
NEAR PARKVILLE. 

BOTH OF THESE STORMS ARE MOVING INTO AN AREA THAT HAS RECEIVED HEAVY 
RAINFALL FOR MUCH OF THE DAY...AND TEMPERATURES ARE MUCH COOLER. 
THEREFORE...THE TORNADIC THREAT IS EXPECTED TO DIMINISH IN THE NEXT 
10 TO 15 MINUTES...WITH HEAVY RAINFALL AND FLASH FLOODING BECOMING 
THE PRIMARY CONCERN. 

LAT...LON 3932 9458 3926 9445 3909 9477 3914 9484
TIME...MOT...LOC 2333Z 227DEG 20KT 3928 9456

$$

BOOKBINDER
000 
WWUS53 KEAX 122343
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
643 PM CDT FRI SEP 12 2008

KSC209-122351-
/O.CAN.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
WYANDOTTE KS-
641 PM CDT FRI SEP 12 2008

...THE TORNADO WARNING FOR CENTRAL WYANDOTTE COUNTY IS CANCELLED...

AT 636 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED NORTHEAST OF THE 
AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

FLASH FLOODING IS NOW THE PRIMARY CONCERN OVER EASTERN KANSAS.

LAT...LON 3926 9445 3917 9468 3918 9470 3922 9472
      3926 9468 3926 9466 3932 9458
TIME...MOT...LOC 2341Z 223DEG 26KT 3924 9464

$$

MOC047-165-122345-
/O.CON.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
CLAY MO-PLATTE MO-
641 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PLATTE AND
WESTERN CLAY COUNTIES UNTIL 645 PM CDT...

AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM WITH WEAK ROTATION.  THIS DANGEROUS STORM WAS 
LOCATED NEAR PLATTE WOODS...OR NEAR PARKVILLE...MOVING NORTHEAST AT 
30 MPH.

THIS TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 645 PM AS THE 
THUNDERSTORM TRANSITIONS TO A HEAVY RAIN EVENT. FLASH FLOODING WILL 
BECOME THE PRIMARY CONCERN THIS EVENING.

LAT...LON 3926 9445 3917 9468 3918 9470 3922 9472
      3926 9468 3926 9466 3932 9458
TIME...MOT...LOC 2341Z 223DEG 26KT 3924 9464

$$

BOOKBINDER
000 
WWUS53 KEAX 122350
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
650 PM CDT FRI SEP 12 2008

MOC047-165-122359-
/O.EXP.KEAX.TO.W.0059.000000T0000Z-080912T2345Z/
CLAY MO-PLATTE MO-
649 PM CDT FRI SEP 12 2008

...THE TORNADO WARNING FOR SOUTHEASTERN PLATTE AND WESTERN CLAY
COUNTIES HAS EXPIRED...

AT 645 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

SOME WEAK ROTATION MAY STILL BE OBSERVED THROUGH 7 PM AS THIS STORM 
PASSES ALONG HIGHWAY 152...BUT TORRENTIAL RAINFALL AND FLASH 
FLOODING WILL NOW BECOME THE PRIMARY CONCERN ACROSS THE NORTHLAND.

LAT...LON 3926 9445 3917 9468 3918 9470 3922 9472
      3926 9468 3926 9466 3932 9458
TIME...MOT...LOC 2343Z 223DEG 26KT 3925 9463

$$

BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 11:55 PM CDTAreal Flood AdvisoryEAXDoniphan6 hr
Sep 12, 5:18 AM CDTAreal Flood AdvisoryEAXLinn, Miami6 hr
Sep 12, 6:51 AM CDTAreal Flood AdvisoryEAXJohnson, Leavenworth, Wyandotte8 hr
Sep 12, 7:26 AM CDTFlash Flood WarningEAXMiami6 hr
Sep 12, 8:42 AM CDTRiver Flood WarningEAXMiami4 days
Sep 12, 8:42 AM CDTRiver Flood WarningEAXLinn6 days
Sep 12, 11:43 AM CDTAreal Flood AdvisoryEAXAtchison, Doniphan8 hr
Sep 12, 1:32 PM CDTAreal Flood WarningEAXMiami8 hr
Sep 12, 4:32 PM CDTTornado WarningEAXMiami28 min
Sep 12, 4:51 PM CDTTornado WarningEAXJohnson24 min
Sep 12, 4:55 PM CDTTornado WarningEAXJohnson, Miami35 min
Sep 12, 5:13 PM CDTTornado WarningEAXJohnson47 min
Sep 12, 5:22 PM CDTAreal Flood AdvisoryEAXJohnson, Leavenworth, Wyandotte6 hr
Sep 12, 5:23 PM CDTTornado WarningEAXLeavenworth, Wyandotte37 min
Sep 12, 5:29 PM CDTTornado WarningEAXJohnson31 min
Sep 12, 6:01 PM CDTTornado WarningEAXJohnson26 min
Sep 12, 6:30 PM CDTFlash Flood WarningEAXJohnson, Leavenworth, Wyandotte6 hr
Sep 12, 6:38 PM CDTAreal Flood AdvisoryEAXJohnson, Wyandotte6 hr
Sep 12, 3:27 AM CDTAreal Flood AdvisoryEAXCooper, Howard, Pettis3 hr
Sep 12, 4:10 AM CDTFlash Flood WarningEAXCooper, Pettis6 hr
Sep 12, 5:38 AM CDTAreal Flood AdvisoryEAXHenry5 hr
Sep 12, 6:25 AM CDTFlash Flood WarningEAXCooper, Henry, Howard, Johnson, Pettis, Saline5 hr
Sep 12, 7:42 AM CDTRiver Flood WarningEAXCooper25 hr
Sep 12, 8:08 AM CDTRiver Flood WarningEAXCooper4 days
Sep 12, 8:47 AM CDTAreal Flood AdvisoryEAXCarroll, Johnson, Lafayette, Ray6 hr
Sep 12, 9:01 AM CDTRiver Flood WarningEAXBates, Cass, Henry3 days
Sep 12, 11:04 AM CDTAreal Flood WarningEAXCooper, Henry, Howard, Pettis12 hr
Sep 12, 2:38 PM CDTAreal Flood AdvisoryEAXAtchison, Gentry, Harrison, Holt, Nodaway, Worth6 hr
Sep 12, 2:40 PM CDTRiver Flood WarningEAXCarroll5 days
Sep 12, 2:56 PM CDTAreal Flood WarningEAXCarroll, Lafayette8 hr
Sep 12, 4:01 PM CDTTornado WarningEAXHenry, Johnson29 min
Sep 12, 4:29 PM CDTTornado WarningEAXJohnson, Pettis31 min
Sep 12, 4:59 PM CDTTornado WarningEAXPettis31 min
Sep 12, 5:27 PM CDTTornado WarningEAXPettis, Saline33 min
Sep 12, 5:57 PM CDTTornado WarningEAXJackson33 min
Sep 12, 5:58 PM CDTTornado WarningEAXCooper, Pettis, Saline47 min
Sep 12, 6:23 PM CDTTornado WarningEAXJackson22 min
Sep 12, 6:34 PM CDTTornado WarningEAXChariton, Howard, Saline41 min
Sep 12, 6:46 PM CDTTornado WarningEAXJackson, Ray29 min

Nearby

Tornado Warnings in Missouri, 2008Tornado Warnings in Kansas, 2008Every tornado warning in 2008Tornadoes in 2008

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.