Alert archive / Missouri / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 4, NWS Kansas City, MO

March 12, 20064 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 12, 2006, 8:59 AM CST for 4 counties in Missouri. It was in force for 31 min. 12 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
Mar 12, 2006, 8:59 AM CST (14:59 UTC)
Expired
Mar 12, 2006, 9:30 AM CST
In force
31 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Clay County, MO, Jackson County, MO, Lafayette County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 51 km from the middle of the area, began a volume at 15:02 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
Mar 12, 9:00 AM CSTHAIL 1.75Gladstone, MO
Mar 12, 9:04 AM CSTHAIL 1Liberty, MOWILLIAM JEWEL COLLEGE
Mar 12, 9:05 AM CSTTSTM WND DMG2 S Liberty, MO1 NE HWY 291/210 INTERSECTION...POWER POLES SNAPPED. BARN DAMAGED.
Mar 12, 9:05 AM CSTHAIL 1.75Liberty, MOWALNUT TO GOLFBALL HAIL COVERING THE GROUND
Mar 12, 9:06 AM CSTHAIL 1.75Liberty, MO
Mar 12, 9:07 AM CSTTSTM WND GST 70Liberty, MO60-70MPH WIND GUSTS
Mar 12, 9:10 AM CSTHAIL 0.88Kearney, MO
Mar 12, 9:12 AM CSTHAIL 1Excelsior Springs, MO
Mar 12, 9:12 AM CSTTORNADOSibley, MOBRIEF TOUCHDOWN NEAR SIBLEY WITH DAMAGE TO TREES AND POWER LINES
Mar 12, 9:15 AM CSTTSTM WND GST 70Sibley, MO60 TO 70 MPH WIND GUSTS
Mar 12, 9:25 AM CSTHAIL 1.753 N Richmond, MOAT B HWY AND 13 HWY.
Mar 12, 9:30 AM CSTTSTM WND DMGMissouri City, MOSTRUCTURAL DAMAGE TO BARN AND TRUCK OVERTURNED

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.

IssuedProductOfficeLasted
Mar 12, 7:47 AM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 3.0 hours before the alert went out and 119 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 
WUUS53 KEAX 121500
SVREAX
MOC047-095-107-177-121530-
/O.NEW.KEAX.SV.W.0004.060312T1459Z-060312T1530Z/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN JACKSON COUNTY IN WEST CENTRAL MISSOURI
  NORTHWESTERN LAFAYETTE COUNTY IN WEST CENTRAL MISSOURI
  EASTERN CLAY COUNTY IN WEST CENTRAL MISSOURI
  SOUTHWESTERN RAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 930 AM CST

* AT 859 AM CST...A SEVERE THUNDERSTORM WAS PRODUCING BASEBALL       
  SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM    
  WAS LOCATED FROM LIBERTY TO INDEPENDENCE...AND MOVING EAST AT 40   
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MISSOURI CITY BY 905 AM CST.
  SIBLEY AND BUCKNER BY 910 AM CST.
  ORRICK AND LEVASY BY 920 AM CST.
  WELLINGTON AND RICHMOND BY 930 AM CST.

THE TOWNS OF BIRMINGHAM...NAPOLEON...FLEMING AND CAMDEN ARE ALSO IN
THE PATH OF THIS SEVERE THUNDERSTORM.

THIS STORM HAS A HISTORY OF PRODUCING GOLFBALL AND BASEBALL HAIL. 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS THIS IS A VIOLENT HAILSTORM

LAT...LON 3936 9450 3905 9451 3906 9395 3938 9397
      3939 9438

$$

KOCH
1 follow-up statement
000 
WWUS53 KEAX 121528
SVSEAX

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

MOC047-095-107-177-121536-
/O.EXP.KEAX.SV.W.0004.000000T0000Z-060312T1530Z/
RAY MO-CLAY MO-LAFAYETTE MO-JACKSON MO-
926 AM CST SUN MAR 12 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN JACKSON...EASTERN 
CLAY AND SOUTHWESTERN RAY COUNTIES WILL BE ALLOWED TO EXPIRE AT 
930  AM...

AT 922 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. A NEW SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR NORTHERN 
RAY AND WESTERN CARROLL COUNTY THROUGH 10 AM FOR THE STORM WHICH 
PROMPTED THE EARLIER WARNING.

LAT...LON 3936 9450 3905 9451 3906 9395 3938 9397
      3939 9438

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 8:37 AM CSTSevere Thunderstorm WarningEAXClay, Jackson, Platte38 min
Mar 12, 8:41 AM CSTSevere Thunderstorm WarningEAXBuchanan, Platte34 min
Mar 12, 9:12 AM CSTSevere Thunderstorm WarningEAXBuchanan, Platte33 min
Mar 12, 9:20 AM CSTTornado WarningEAXRay25 min
Mar 12, 9:23 AM CSTSevere Thunderstorm WarningEAXCarroll, Ray37 min
Mar 12, 9:35 AM CSTTornado WarningEAXCarroll, Ray, Saline40 min
Mar 12, 9:41 AM CSTSevere Thunderstorm WarningEAXAndrew, DeKalb, Gentry34 min
Mar 12, 9:44 AM CSTSevere Thunderstorm WarningEAXCarroll, Chariton, Livingston31 min
Mar 12, 10:00 AM CSTTornado WarningEAXCarroll, Chariton, Saline30 min
Mar 12, 10:14 AM CSTSevere Thunderstorm WarningEAXAndrew, Holt, Nodaway31 min
Mar 12, 10:16 AM CSTSevere Thunderstorm WarningEAXChariton, Macon, Randolph44 min
Mar 12, 10:18 AM CSTSevere Thunderstorm WarningEAXDaviess, Grundy, Harrison, Mercer42 min
Mar 12, 10:26 AM CSTTornado WarningEAXChariton, Randolph34 min
Mar 12, 10:30 AM CSTSevere Thunderstorm WarningEAXBuchanan, Platte30 min
Mar 12, 10:58 AM CSTTornado WarningEAXAndrew, Buchanan, Clinton, DeKalb32 min
Mar 12, 11:17 AM CSTSevere Thunderstorm WarningEAXDeKalb, Gentry28 min
Mar 12, 11:36 AM CSTSevere Thunderstorm WarningEAXDaviess, Harrison39 min
Mar 12, 2:00 PM CSTTornado WarningEAXPlatte30 min
Mar 12, 2:08 PM CSTTornado WarningEAXBates, Cass52 min
Mar 12, 2:16 PM CSTTornado WarningEAXClay, Jackson, Platte, Ray29 min
Mar 12, 2:34 PM CSTTornado WarningEAXBates41 min
Mar 12, 2:43 PM CSTTornado WarningEAXClay, Ray32 min
Mar 12, 2:46 PM CSTTornado WarningEAXBates, Cass, Henry, Johnson44 min
Mar 12, 3:01 PM CSTTornado WarningEAXBates, Henry44 min
Mar 12, 3:09 PM CSTTornado WarningEAXCaldwell, Carroll, Livingston, Ray36 min
Mar 12, 3:15 PM CSTTornado WarningEAXCooper, Johnson, Lafayette, Pettis, Saline45 min
Mar 12, 3:35 PM CSTTornado WarningEAXHenry, Johnson, Pettis40 min
Mar 12, 3:40 PM CSTSevere Thunderstorm WarningEAXLinn, Livingston35 min
Mar 12, 3:53 PM CSTTornado WarningEAXCooper, Howard, Pettis, Saline37 min
Mar 12, 4:04 PM CSTTornado Warning EmergencyEAXPettis26 min
Mar 12, 4:21 PM CSTTornado WarningEAXCooper39 min
Mar 12, 4:28 PM CSTTornado WarningEAXHoward32 min
Mar 12, 4:38 PM CSTSevere Thunderstorm WarningEAXClay, Platte37 min
Mar 12, 4:40 PM CSTSevere Thunderstorm WarningEAXPlatte19 min
Mar 12, 4:49 PM CSTTornado WarningEAXRandolph24 min
Mar 12, 4:56 PM CSTSevere Thunderstorm WarningEAXClay, Clinton20 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2006Every severe thunderstorm warning 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.