Alert archive / Kansas / Tornado Warnings in 2006

Tornado Warning 7, NWS Kansas City, MO

March 12, 2006Linn County, Kansas

NWS Kansas City, MO issued this tornado warning at Mar 12, 2006, 1:37 PM CST for Linn County, Kansas. It was in force for 38 min. 5 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, 1:37 PM CST (19:37 UTC)
Expired: Mar 12, 2006, 2:15 PM CST
In force: 38 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 89 km from the middle of the area, began a volume at 19:37 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, 1:50 PM CST	HAIL 0.75	Centerville, KS	WINDS GUSTING TO 40 MPH.
Mar 12, 1:55 PM CST	HAIL 1.75	Centerville, KS
Mar 12, 2:05 PM CST	HAIL 1.75	Goodrich, KS
Mar 12, 2:10 PM CST	HAIL 0.75	La Cygne, KS
Mar 12, 2:25 PM CST	HAIL 0.88	La Cygne, KS

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, 11:49 AM CST	Tornado Watch	SPC	10 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.6 hours before the alert went out and 113 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: 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 
WFUS53 KEAX 121937
TOREAX
KSC107-122015-
/O.NEW.KEAX.TO.W.0007.060312T1937Z-060312T2015Z/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  LINN COUNTY IN EAST CENTRAL KANSAS

* UNTIL 215 PM CST

* AT 132 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR KINCAID...OR 9 MILES NORTHEAST OF LA
  HARPE...MOVING NORTHEAST AT 45 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  BLUE MOUND BY 145 PM CST.
  6 MILES NORTHWEST OF MOUND CITY BY 200 PM CST.
  7 MILES NORTHWEST OF PLEASANTON BY 205 PM CST.
  LA CYGNE BY 210 PM CST.

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.

IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE 
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY 
FROM THE STORM CENTER.

LAT...LON 3826 9506 3804 9507 3803 9483 3806 9463
      3840 9464

$$

DB

2 follow-up statements

000 
WWUS53 KEAX 121948
SVSEAX

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

KSC107-122015-
/O.CON.KEAX.TO.W.0007.000000T0000Z-060312T2015Z/
LINN KS-
147 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR LINN COUNTY UNTIL 215 PM
CST...

AT 142 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BLUE MOUND...OR 12 MILES WEST OF MOUND CITY...
MOVING NORTHEAST AT 55 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  MOUND CITY BY 155 PM CST.
  PLEASANTON BY 200 PM CST.

THIS STORM IS CAPABLE OF PRODUCING BASEBALL SIZE HAIL AND WINDS IN 
EXCESS OF 70 MPH. 

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.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED WITHIN THE STORM. A TORNADO 
MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF 
YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING OR TO AN INTERIOR ROOM OR CLOSET. IF 
DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3826 9506 3804 9507 3803 9483 3806 9463
      3840 9464

$$

DB

000 
WWUS53 KEAX 121959
SVSEAX

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

KSC107-122015-
/O.CON.KEAX.TO.W.0007.000000T0000Z-060312T2015Z/
LINN KS-
158 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR LINN COUNTY UNTIL 215 PM
CST...

AT 156 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES NORTHWEST OF MOUND CITY...MOVING NORTHEAST
AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  PLEASANTON BY 205 PM CST.
  6 MILES SOUTHEAST OF LA CYGNE BY 210 PM CST.

GOLFBALL SIZE HAIL WAS REPORTED AT CENTERVILLE AT 155 PM. THIS STORM 
IS CAPABLE OF PRODUCING BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT 
LINE WINDS. SEEK 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.

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.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED WITHIN THE STORM. A TORNADO 
MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF 
YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING OR TO AN INTERIOR ROOM OR CLOSET. IF 
DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3826 9506 3804 9507 3803 9483 3806 9463
      3840 9464

$$

DB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 8:10 AM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	35 min
Mar 12, 8:18 AM CST	Tornado Warning	EAX	Johnson, Leavenworth	27 min
Mar 12, 8:37 AM CST	Severe Thunderstorm Warning	EAX	Wyandotte	38 min
Mar 12, 8:41 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	34 min
Mar 12, 9:12 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Doniphan	33 min
Mar 12, 10:30 AM CST	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	30 min
Mar 12, 1:26 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	64 min
Mar 12, 2:00 PM CST	Tornado Warning	EAX	Johnson, Wyandotte	30 min
Mar 12, 2:08 PM CST	Tornado Warning	EAX	Linn, Miami	52 min
Mar 12, 2:16 PM CST	Tornado Warning	EAX	Wyandotte	29 min
Mar 12, 2:20 PM CST	Tornado Warning	EAX	Johnson, Leavenworth, Wyandotte	25 min
Mar 12, 2:34 PM CST	Tornado Warning	EAX	Linn	41 min
Mar 12, 4:38 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Wyandotte	37 min
Mar 12, 4:40 PM CST	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	19 min

Nearby

Tornado Warnings in Kansas, 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.