Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 8, NWS Kansas City, MO

May 1, 2008Clay County, Missouri; Wyandotte County, Kansas

NWS Kansas City, MO issued this tornado warning at May 1, 2008, 7:36 PM CDT for Clay County, Missouri; Wyandotte County, Kansas. It was in force for 39 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
May 1, 2008, 7:36 PM CDT (00:36 UTC)
Expired
May 1, 2008, 8:15 PM CDT
In force
39 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon

Counties Wyandotte County, KS, Clay County, MO

The radar

The Pleasant Hill radar (KEAX), 47 km from the middle of the area, began a volume at 00:38 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
May 1, 5:36 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.6 hours before the alert went out and 102 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 00:00Z on 2008-05-02Temperature 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 00:00Z on 2008-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.19395878Sfc1 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
3122 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
168 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 020036
TOREAX
KSC209-MOC047-020115-
/O.NEW.KEAX.TO.W.0008.080502T0036Z-080502T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
736 PM CDT THU MAY 1 2008

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WYANDOTTE COUNTY IN NORTHEAST KANSAS
  SOUTHERN CLAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 815 PM CDT

* AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM
  CONTINUED TO EXHIBIT STRONG SIGNS OF ROTATION PER LOCAL MEDIA
  LIVE VIDEO AND A TORNADO MAY OCCUR AT ANY TIME. HAIL UP TO GOLF
  BALL SIZE IS ALSO EXPECTED ACROSS DOWNTOWN INTO THE GLADSTONE
  AREA AS THIS STORM MOVES NORTHEAST AT 25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  GLADSTONE AND OAKVIEW BY 745 PM CDT.
  PLEASANT VALLEY AND CLAYCOMO BY 750 PM CDT.
  GLENAIRE BY 755 PM CDT.
  LIBERTY BY 800 PM CDT.
  MISSOURI CITY BY 810 PM CDT.

THE TOWNS OF OAKWOOD...OAKWOOD PARK...OAKS...RANDOLPH AND BIRMINGHAM
ARE 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 3924 9425 3924 9430 3918 9438 3920 9441
      3914 9445 3915 9453 3908 9466 3917 9476
      3918 9467 3915 9462 3924 9461 3935 9438
TIME...MOT...LOC 0036Z 233DEG 28KT 3914 9461

$$

BOOKBINDER
4 follow-up statements
000 
WWUS53 KEAX 020045
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
743 PM CDT THU MAY 1 2008

KSC209-020053-
/O.CAN.KEAX.TO.W.0008.000000T0000Z-080502T0115Z/
WYANDOTTE KS-
743 PM CDT THU MAY 1 2008

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

AT 738 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE CROSSED THE MISSOURI 
RIVER INTO SOUTHWEST CLAY COUNTY MISSOURI.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FRIDAY MORNING FOR
NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI.

LAT...LON 3935 9438 3924 9425 3924 9430 3919 9440
      3920 9441 3918 9443 3915 9453 3915 9460
      3917 9462 3924 9461
TIME...MOT...LOC 0043Z 231DEG 35KT 3920 9453

$$

MOC047-020115-
/O.CON.KEAX.TO.W.0008.000000T0000Z-080502T0115Z/
CLAY MO-
743 PM CDT THU MAY 1 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CLAY COUNTY UNTIL
815 PM CDT...

AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO AS WELL AS LARGE 
DESTRUCTIVE HAIL UP TO GOLF BALL SIZE. THIS DANGEROUS STORM WAS 
LOCATED NEAR GLADSTONE...MOVING NORTHEAST AT 40 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  GLADSTONE THROUGH 750 PM CDT.
  GLENAIRE BY 750 PM CDT.
  LIBERTY BY 755 PM CDT.
  6 MILES NORTHWEST OF MISSOURI CITY BY 800 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.

LAT...LON 3935 9438 3924 9425 3924 9430 3919 9440
      3920 9441 3918 9443 3915 9453 3915 9460
      3917 9462 3924 9461
TIME...MOT...LOC 0043Z 231DEG 35KT 3920 9453

$$

BOOKBINDER
000 
WWUS53 KEAX 020052
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
751 PM CDT THU MAY 1 2008

MOC047-020115-
/O.CON.KEAX.TO.W.0008.000000T0000Z-080502T0115Z/
CLAY MO-
751 PM CDT THU MAY 1 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CLAY COUNTY UNTIL
815 PM CDT...

AT 748 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE NEAR PLEASANT VALLEY...OR NEAR 
CLAYCOMO...MOVING NORTHEAST AT 40 MPH. ALTHOUGH ROTATION WITHIN THIS 
STORM HAS TEMPORARILY WEAKENED...THE STORM MAY BE CYCLING AND COULD 
RESTRENGTHEN AT ANY TIME. LARGE DESTRUCTIVE HAIL UP TO GOLF BALL 
SIZE WILL REMAIN POSSIBLE ALONG THE INTERSTATE 35 CORRIDOR FROM 
GLADSTONE TO LIBERTY. PERSONS IN THE LIBERTY AREA SHOULD SEEK SAFE 
SHELTER NOW

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.

LAT...LON 3935 9438 3924 9425 3924 9430 3920 9440
      3917 9454 3924 9461
TIME...MOT...LOC 0051Z 231DEG 35KT 3925 9445

$$

BOOKBINDER
000 
WWUS53 KEAX 020105
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
804 PM CDT THU MAY 1 2008

MOC047-020115-
/O.CON.KEAX.TO.W.0008.000000T0000Z-080502T0115Z/
CLAY MO-
804 PM CDT THU MAY 1 2008

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CLAY COUNTY UNTIL
815 PM CDT...

AT 803 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM NEAR LIBERTY. IN THE LAST 15 MINUTES THIS STORM 
HAS TAKEN ON MORE OF A BOW ECHO STRUCTURE...AND THEREFORE MAY BE 
TRANSITIONING TO A DAMAGING WIND AND HAIL THREAT. A SEVERE 
THUNDERSTORM WARNING WILL LIKELY BE ISSUED DOWNSTREAM TOWARD 
EXCELSIOR SPRINGS INTO RAY COUNTY.

LAT...LON 3935 9438 3928 9430 3924 9430 3920 9440
      3921 9448 3930 9448
TIME...MOT...LOC 0104Z 235DEG 30KT 3929 9435

$$

BOOKBINDER
000 
WWUS53 KEAX 020124
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
824 PM CDT THU MAY 1 2008

MOC047-020134-
/O.EXP.KEAX.TO.W.0008.000000T0000Z-080502T0115Z/
CLAY MO-
824 PM CDT THU MAY 1 2008

...THE TORNADO WARNING FOR CENTRAL CLAY COUNTY HAS EXPIRED...

AT 817 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE DISSIPATED...AND NO 
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FRIDAY MORNING FOR
NORTHEASTERN KANSAS AND NORTHWESTERN MISSOURI. ADDITIONAL SEVERE 
WEATHER IS POSSIBLE OVERNIGHT. STAY TUNED FOR LATER STATEMENTS AND 
POSSIBLE WARNINGS.

LAT...LON 3935 9438 3928 9430 3924 9430 3920 9440
      3921 9448 3930 9448
TIME...MOT...LOC 0105Z 235DEG 30KT 3929 9434

$$

BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 7:12 PM CDTTornado WarningEAXCaldwell, Clinton, DeKalb33 min
May 1, 7:44 PM CDTTornado WarningEAXCaldwell, Clinton, Daviess, DeKalb31 min
May 1, 8:08 PM CDTSevere Thunderstorm WarningEAXClay, Ray17 min
May 1, 8:11 PM CDTSevere Thunderstorm WarningEAXCaldwell, Daviess, Grundy, Livingston34 min
May 1, 8:11 PM CDTSevere Thunderstorm WarningEAXJackson34 min
May 1, 8:26 PM CDTSevere Thunderstorm WarningEAXClinton, Daviess, DeKalb34 min
May 1, 8:47 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Livingston25 min
May 1, 8:49 PM CDTTornado WarningEAXCass26 min
May 1, 8:55 PM CDTSevere Thunderstorm WarningEAXDaviess35 min
May 1, 9:07 PM CDTTornado WarningEAXJackson23 min
May 1, 9:32 PM CDTSevere Thunderstorm WarningEAXJackson22 min
May 1, 9:37 PM CDTSevere Thunderstorm WarningEAXCarroll, Lafayette, Ray38 min
May 1, 10:06 PM CDTSevere Thunderstorm WarningEAXCarroll, Chariton, Saline26 min
May 2, 1:13 AM CDTSevere Thunderstorm WarningEAXPlatte47 min
May 2, 1:41 AM CDTSevere Thunderstorm WarningEAXCass, Clay, Jackson, Platte34 min
May 2, 2:07 AM CDTSevere Thunderstorm WarningEAXCarroll, Clay, Johnson, Lafayette, Ray53 min
May 2, 2:21 AM CDTSevere Thunderstorm WarningEAXCaldwell, Clinton, Ray39 min
May 2, 2:51 AM CDTSevere Thunderstorm WarningEAXCarroll, Livingston39 min
May 2, 3:00 AM CDTSevere Thunderstorm WarningEAXLafayette, Saline45 min
May 2, 8:23 AM CDTRiver Flood WarningEAXBates, Cass, Henry29 hr
May 2, 2:42 PM CDTRiver Flood WarningEAXCass, Henry, Johnson6 hr
May 2, 3:42 PM CDTRiver Flood WarningEAXJohnson, Pettis4 hr
May 1, 7:12 PM CDTTornado WarningEAXJohnson, Wyandotte33 min
May 1, 7:18 PM CDTSevere Thunderstorm WarningEAXJohnson, Miami42 min
May 1, 7:37 PM CDTTornado WarningEAXJohnson38 min
May 1, 8:21 PM CDTSevere Thunderstorm WarningEAXMiami39 min
May 1, 10:45 PM CDTTornado WarningEAXLinn22 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.