Alert archive / Kansas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 3, NWS Kansas City, MO

March 12, 2006Atchison County, Leavenworth County, Kansas; Buchanan County, Platte County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 12, 2006, 8:41 AM CST for Atchison County, Leavenworth County, Kansas; Buchanan County, Platte County, Missouri. It was in force for 34 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
Mar 12, 2006, 8:41 AM CST (14:41 UTC)
Expired
Mar 12, 2006, 9:15 AM CST
In force
34 min
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Atchison County, KS, Leavenworth County, KS, Buchanan County, MO, Platte County, MO

The radar

The Topeka radar (KTWX), 97 km from the middle of the area, began a volume at 14:42 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, 8:50 AM CSTHAIL 1Arrington, KS
Mar 12, 9:24 AM CSTHAIL 1.751 N Atchison, KSALONG K7 HWY

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, 2.7 hours before the alert went out and 60 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 121442
SVREAX
KSC005-103-MOC021-165-121515-
/O.NEW.KEAX.SV.W.0003.060312T1441Z-060312T1515Z/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN PLATTE COUNTY IN WEST CENTRAL MISSOURI
  SOUTHWESTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI
  NORTHWESTERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS
  ATCHISON COUNTY IN NORTHEAST KANSAS

* UNTIL 915 AM CST

* AT 838 AM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM PRODUCING LARGE DAMAGING HAIL UP TO BASEBALL SIZE.    
  THIS STORM WAS LOCATED NEAR VALLEY FALLS...AND MOVING NORTHEAST AT 
  50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES SOUTHEAST OF LANCASTER BY 850 AM CST.
  ATCHISON BY 900 AM CST.
  RUSHVILLE BY 905 AM CST.

THE TOWNS OF CUMMINGS...LEWIS AND CLARK VILLAGE AND BEAN LAKE ARE
ALSO IN THE PATH OF THIS SEVERE THUNDERSTORM.

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

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
PLEASANT HILL.

LAT...LON 3953 9556 3942 9556 3942 9517 3935 9517
      3936 9493 3962 9501

$$

KOCH
2 follow-up statements
000 
WWUS53 KEAX 121507
SVSEAX

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

KSC005-103-MOC021-165-121515-
/O.CON.KEAX.SV.W.0003.000000T0000Z-060312T1515Z/
ATCHISON KS-LEAVENWORTH KS-BUCHANAN MO-PLATTE MO-
905 AM CST SUN MAR 12 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
PLATTE...SOUTHWESTERN BUCHANAN...NORTHWESTERN LEAVENWORTH AND EASTERN
ATCHISON COUNTIES UNTIL 915 AM CST...

AT 902 AM CST...DOPPLER RADAR INDICATED A VIOLENT HAILSTORM WEST OF 
ATCHISON KANSAS. TRAINED WEATHER SPOTTERS REPORTED HAIL UP TO THE 
SIZE OF BASEBALLS NEAR VALLEY FALLS WITH THIS STORM. THIS STORM WAS 
MOVING NORTHEAST AT 45 MPH.

* WILL BE NEAR...
  ATCHISON BY 910 AM CST.
  RUSHVILLE BY 910 AM CST.

THE TOWNS OF LEWIS AND CLARK VILLAGE...IATAN AND BEAN LAKE ARE ALSO
IN THE PATH OF THIS SEVERE THUNDERSTORM.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

LAT...LON 3957 9530 3943 9533 3942 9517 3935 9517
      3936 9493 3962 9501

$$

KOCH
000 
WWUS53 KEAX 121516
SVSEAX

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

KSC005-103-MOC021-165-121524-
/O.EXP.KEAX.SV.W.0003.000000T0000Z-060312T1515Z/
ATCHISON KS-LEAVENWORTH KS-BUCHANAN MO-PLATTE MO-
914 AM CST SUN MAR 12 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PLATTE AND 
NORTHWESTERN LEAVENWORTH COUNTIES HAS BEEN ALLOWED TO EXPIRE...

PORTIONS OF BUCHANAN AND AND NORTHEAST ATCHISON COUNTIES HAVE BEEN 
PLACED UNDER A NEW SEVERE THUNDERSTORM WARNING UNTIL 945 AM.

AT 914 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 3957 9530 3943 9533 3942 9517 3935 9517
      3936 9493 3962 9501

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 8:10 AM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte35 min
Mar 12, 8:18 AM CSTTornado WarningEAXJohnson, Leavenworth27 min
Mar 12, 8:37 AM CSTSevere Thunderstorm WarningEAXWyandotte38 min
Mar 12, 9:12 AM CSTSevere Thunderstorm WarningEAXAtchison, Doniphan33 min
Mar 12, 10:30 AM CSTSevere Thunderstorm WarningEAXAtchison, Leavenworth30 min
Mar 12, 1:26 PM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte64 min
Mar 12, 1:37 PM CSTTornado WarningEAXLinn38 min
Mar 12, 2:00 PM CSTTornado WarningEAXJohnson, Wyandotte30 min
Mar 12, 2:08 PM CSTTornado WarningEAXLinn, Miami52 min
Mar 12, 2:16 PM CSTTornado WarningEAXWyandotte29 min
Mar 12, 2:20 PM CSTTornado WarningEAXJohnson, Leavenworth, Wyandotte25 min
Mar 12, 2:34 PM CSTTornado WarningEAXLinn41 min
Mar 12, 4:38 PM CSTSevere Thunderstorm WarningEAXJohnson, Wyandotte37 min
Mar 12, 4:40 PM CSTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte19 min
Mar 12, 8:59 AM CSTSevere Thunderstorm WarningEAXClay, Jackson, Lafayette, Ray31 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, 10:58 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, 2:43 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, 4:49 PM CSTTornado WarningEAXRandolph24 min
Mar 12, 4:56 PM CSTSevere Thunderstorm WarningEAXClay, Clinton20 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2006Severe 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.