Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 46, NWS Kansas City, MO

March 12, 2006Henry County, Johnson County, Missouri

NWS Kansas City, MO issued this tornado warning at Mar 12, 2006, 11:08 PM CST for Henry County, Johnson County, Missouri. It was in force for 22 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, 11:08 PM CST (05:08 UTC)
Expired: Mar 12, 2006, 11:30 PM CST
In force: 22 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

Counties Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 68 km from the middle of the area, began a volume at 05:10 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

Time	Report	Where	Remark
Mar 12, 11:11 PM CST	HAIL 1.25	5 Se Clinton, MO	WINDS GUSTED TO ESTIMATED 70 MPH.
Mar 12, 11:35 PM CST	HAIL 0.75	Deepwater, MO

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.

Issued	Product	Office	Lasted
Mar 12, 8:42 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.1 hours before the alert went out and 169 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1549 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1450 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KEAX 130509
TOREAX
MOC083-101-130530-
/O.NEW.KEAX.TO.W.0046.060313T0508Z-060313T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1108 PM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HENRY COUNTY IN WEST CENTRAL MISSOURI
  SOUTHEASTERN JOHNSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 1130 PM CST

* AT 1105 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING...SMALL...BRIEF
  TORNADOES. THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM WINDSOR   TO CALHOUN TO 7 MILES SOUTHEAST OF
  CALHOUN TO DEEPWATER...OR ALONG A LINE EXTENDING FROM WINDSOR TO 6
  MILES SOUTH OF WINDSOR TO 11   MILES EAST OF CLINTON TO 11 MILES   
  SOUTH OF CLINTON...MOVING EAST AT 55 MPH.

* THESE TORNADIC STORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
  EASTERN HENRY AND SOUTHEASTERN JOHNSON COUNTIES...INCLUDING THE
  TOWNS OF TIGHTWAD...BROWNINGTON...CALHOUN...DEEPWATER AND WINDSOR.

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

LAT...LON 3857 9366 3850 9380 3841 9386 3821 9387
      3820 9349 3833 9351 3857 9350

$$

SF

1 follow-up statement

000 
WWUS53 KEAX 130515
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1113 PM CST SUN MAR 12 2006

MOC083-101-130530-
/O.CON.KEAX.TO.W.0046.000000T0000Z-060313T0530Z/
JOHNSON MO-HENRY MO-
1113 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN HENRY AND
SOUTHEASTERN JOHNSON COUNTIES UNTIL 1130 PM CST...

AT 1110 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING BRIEF TORNADOES.  
THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 
WINDSOR TO 6 MILES EAST OF CALHOUN TO 9 MILES SOUTHEAST OF CALHOUN 
TO DEEPWATER...MOVING EAST AT 55 MPH.

THIS LINE OF TORNADO PRODUCING STORMS WILL AFFECT MAINLY RURAL AREAS
OF EASTERN HENRY AND SOUTHEASTERN JOHNSON COUNTIES...INCLUDING THE
TOWNS OF BROWNINGTON...WINDSOR...DEEPWATER AND TIGHTWAD.

TRAINED SPOTTERS REPORTED DAMAGING WINDS IN EXCESS OF 70 MPH 5 MILES 
SOUTHEAST OF CLINTON. THIS STORM ALSO IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL. SEEK SHELTER NOW

LAT...LON 3857 9366 3850 9380 3841 9386 3821 9387
      3820 9349 3833 9351 3857 9350

$$

SF

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:23 PM CST	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb	37 min
Mar 12, 6:24 PM CST	Severe Thunderstorm Warning	EAX	Cass, Clay, Jackson	51 min
Mar 12, 6:34 PM CST	Tornado Warning	EAX	Buchanan, Clay, Clinton, Platte	26 min
Mar 12, 6:38 PM CST	Severe Thunderstorm Warning	EAX	Cass	37 min
Mar 12, 6:42 PM CST	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Putnam, Sullivan	33 min
Mar 12, 6:44 PM CST	Severe Thunderstorm Warning	EAX	Putnam, Schuyler	15 min
Mar 12, 6:45 PM CST	Severe Thunderstorm Warning	EAX	Platte	45 min
Mar 12, 6:52 PM CST	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	23 min
Mar 12, 6:53 PM CST	Severe Thunderstorm Warning	EAX	Clay, Ray	37 min
Mar 12, 6:55 PM CST	Severe Thunderstorm Warning	EAX	Jackson, Johnson, Lafayette, Ray	35 min
Mar 12, 6:56 PM CST	Tornado Warning	EAX	Caldwell, Clinton, Daviess, Ray	34 min
Mar 12, 7:03 PM CST	Severe Thunderstorm Warning	EAX	Cass, Johnson	42 min
Mar 12, 7:13 PM CST	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	62 min
Mar 12, 7:13 PM CST	Tornado Warning	EAX	Cass, Johnson	32 min
Mar 12, 7:20 PM CST	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	25 min
Mar 12, 7:22 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass	38 min
Mar 12, 7:25 PM CST	Severe Thunderstorm Warning	EAX	Clay, Clinton, Ray	35 min
Mar 12, 7:26 PM CST	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, Grundy, Livingston	34 min
Mar 12, 7:31 PM CST	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Lafayette, Ray	29 min
Mar 12, 7:32 PM CST	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Daviess, Grundy, Livingston	43 min
Mar 12, 7:34 PM CST	Tornado Warning	EAX	Johnson, Pettis	41 min
Mar 12, 7:36 PM CST	Tornado Warning	EAX	Grundy, Mercer, Putnam, Sullivan	24 min
Mar 12, 7:38 PM CST	Tornado Warning	EAX	Bates, Henry	37 min
Mar 12, 8:00 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Pettis, Saline	60 min
Mar 12, 8:01 PM CST	Tornado Warning	EAX	Adair, Linn, Putnam, Sullivan	29 min
Mar 12, 8:02 PM CST	Tornado Warning	EAX	Bates, Cass, Henry, Johnson	28 min
Mar 12, 8:07 PM CST	Tornado Warning	EAX	Cooper, Johnson, Lafayette, Pettis, Saline	38 min
Mar 12, 8:10 PM CST	Tornado Warning	EAX	Carroll, Ray	35 min
Mar 12, 8:12 PM CST	Tornado Warning	EAX	Putnam, Schuyler	33 min
Mar 12, 8:18 PM CST	Severe Thunderstorm Warning	EAX	Linn, Livingston, Macon	42 min
Mar 12, 8:23 PM CST	Tornado Warning	EAX	Adair, Putnam, Schuyler	29 min
Mar 12, 8:24 PM CST	Tornado Warning	EAX	Henry, Johnson, Pettis	51 min
Mar 12, 8:29 PM CST	Tornado Warning	EAX	Bates, Cass, Henry, Johnson	31 min
Mar 12, 8:32 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Linn, Livingston	41 min
Mar 12, 8:37 PM CST	Tornado Warning	EAX	Howard, Randolph, Saline	23 min
Mar 12, 8:43 PM CST	Tornado Warning	EAX	Johnson, Pettis	62 min
Mar 12, 8:46 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Lafayette	15 min
Mar 12, 8:48 PM CST	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Schuyler, Sullivan	42 min
Mar 12, 8:49 PM CST	Severe Thunderstorm Warning	EAX	Cass, Jackson, Lafayette	27 min
Mar 12, 8:54 PM CST	Tornado Warning	EAX	Howard, Randolph	51 min
Mar 12, 8:58 PM CST	Severe Thunderstorm Warning	EAX	Cooper, Johnson, Pettis, Saline	33 min
Mar 12, 9:00 PM CST	Severe Thunderstorm Warning	EAX	Linn, Macon	32 min
Mar 12, 9:10 PM CST	Severe Thunderstorm Warning	EAX	Jackson, Lafayette, Ray	22 min
Mar 12, 9:14 PM CST	Tornado Warning	EAX	Cooper, Howard, Saline	61 min
Mar 12, 9:20 PM CST	Tornado Warning	EAX	Cass, Henry, Johnson	40 min
Mar 12, 9:24 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Ray	27 min
Mar 12, 9:36 PM CST	Tornado Warning	EAX	Johnson, Lafayette, Pettis, Saline	24 min
Mar 12, 9:41 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson	64 min
Mar 12, 9:59 PM CST	Severe Thunderstorm Warning	EAX	Chariton, Cooper, Howard, Pettis, Saline	46 min
Mar 12, 10:11 PM CST	Severe Thunderstorm Warning	EAX	Cass, Henry, Jackson, Johnson, Lafayette, Pettis and 1 more	34 min
Mar 12, 10:28 PM CST	Tornado Warning	EAX	Bates, Cass, Henry, Johnson	32 min
Mar 12, 10:34 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Lafayette, Ray, Saline	41 min
Mar 12, 10:41 PM CST	Severe Thunderstorm Warning	EAX	Bates	34 min
Mar 12, 10:45 PM CST	Severe Thunderstorm Warning	EAX	Cooper, Henry, Johnson, Lafayette, Pettis, Saline	45 min
Mar 12, 10:52 PM CST	Tornado Warning	EAX	Bates, Cass, Henry, Johnson	23 min
Mar 12, 11:00 PM CST	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Howard, Lafayette, Linn, Macon and 1 more	59 min
Mar 12, 11:25 PM CST	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	43 min
Mar 12, 11:26 PM CST	Severe Thunderstorm Warning	EAX	Henry	19 min
Mar 12, 11:38 PM CST	Severe Thunderstorm Warning	EAX	Adair, Chariton, Howard, Macon, Randolph	33 min

Nearby

Tornado Warnings in Missouri, 2006 Every tornado warning in 2006 Tornadoes 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.