Alert archive / Missouri / Tornado Warnings in 2009

Tornado Warning 8, NWS Kansas City, MO

April 26, 2009Andrew County, Buchanan County, Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this tornado warning at Apr 26, 2009, 7:53 PM CDT for Andrew County, Buchanan County, Missouri; Doniphan County, Kansas. 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: Apr 26, 2009, 7:53 PM CDT (00:53 UTC)
Expired: Apr 26, 2009, 8:15 PM CDT
In force: 22 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

Counties Doniphan County, KS, Andrew County, MO, Buchanan County, MO

The radar

The Pleasant Hill radar (KEAX), 125 km from the middle of the area, began a volume at 00:55 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
Apr 26, 8:05 PM CDT	HAIL 0.25	Wathena, KS
Apr 26, 8:10 PM CDT	TORNADO	1 E Wathena, KS	BRIEF TORNADO TOUCHDOWN REPORTED 1 MILE ESE OF ELWOOD.

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
Apr 26, 5:02 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.9 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-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: 1568 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 287 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 13.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 270053
TOREAX
KSC043-MOC003-021-270115-
/O.NEW.KEAX.TO.W.0008.090427T0053Z-090427T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
753 PM CDT SUN APR 26 2009

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DONIPHAN COUNTY IN NORTHEAST KANSAS...
  SOUTHEASTERN ANDREW COUNTY IN NORTHWEST MISSOURI...
  NORTHWESTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI...

* UNTIL 815 PM CDT

* AT 751 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WATHENA...AND MOVING NORTHEAST AT 55 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  ELWOOD AND ST. JOSEPH AROUND 800 PM CDT.
  COUNTRY CLUB VILLA AND AMAZONIA AROUND 805 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE ST.
JOSEPH AIRPORT...COSBY AND HELENA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4005 9468 3985 9461 3982 9462 3963 9505
      3971 9514
TIME...MOT...LOC 0052Z 231DEG 46KT 3972 9499

$$

CUTTER

2 follow-up statements

000 
WWUS53 KEAX 270113
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
813 PM CDT SUN APR 26 2009

KSC043-270123-
/O.CAN.KEAX.TO.W.0008.000000T0000Z-090427T0115Z/
DONIPHAN KS-
813 PM CDT SUN APR 26 2009

...THE TORNADO WARNING FOR SOUTHEASTERN DONIPHAN COUNTY IS
CANCELLED...

AT 811 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA. 
THEREFORE...THE TORNADO WARNING IS CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY MORNING
FOR NORTHEASTERN KANSAS AND NORTHERN MISSOURI.

LAT...LON 3986 9461 3982 9462 3969 9491 3972 9491
      3973 9487 3975 9487 3976 9490 3979 9490
      3980 9489 3982 9489 4005 9468
TIME...MOT...LOC 0113Z 244DEG 32KT 3985 9476

$$

MOC003-021-270115-
/O.CON.KEAX.TO.W.0008.000000T0000Z-090427T0115Z/
ANDREW MO-BUCHANAN MO-
813 PM CDT SUN APR 26 2009

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN BUCHANAN AND
SOUTHEASTERN ANDREW COUNTIES UNTIL 815 PM CDT...

AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR COUNTRY CLUB VILLA...MOVING NORTHEAST AT 35
MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL BUCHANAN
AND SOUTHEASTERN ANDREW COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY MORNING
FOR NORTHEASTERN KANSAS AND NORTHERN MISSOURI.

LAT...LON 3986 9461 3982 9462 3969 9491 3972 9491
      3973 9487 3975 9487 3976 9490 3979 9490
      3980 9489 3982 9489 4005 9468
TIME...MOT...LOC 0113Z 244DEG 32KT 3985 9476

$$

CUTTER

000 
WWUS53 KEAX 270122
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
822 PM CDT SUN APR 26 2009

MOC003-021-270132-
/O.EXP.KEAX.TO.W.0008.000000T0000Z-090427T0115Z/
ANDREW MO-BUCHANAN MO-
822 PM CDT SUN APR 26 2009

...THE TORNADO WARNING FOR NORTHERN BUCHANAN AND SOUTHEASTERN ANDREW
COUNTIES HAS EXPIRED...

AT 821 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY MORNING
FOR NORTHEASTERN KANSAS AND NORTHERN MISSOURI.

LAT...LON 3986 9461 3982 9462 3969 9491 3972 9491
      3973 9487 3975 9487 3976 9490 3979 9490
      3980 9489 3982 9489 4005 9468
TIME...MOT...LOC 0113Z 244DEG 32KT 3985 9475

$$

CUTTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 7:02 PM CDT	Severe Thunderstorm Warning	EAX	Holt	28 min
Apr 26, 7:26 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	34 min
Apr 26, 7:47 PM CDT	Special Weather Statement	EAX	Andrew	28 min
Apr 26, 8:26 PM CDT	Special Weather Statement	EAX	Gentry	34 min
Apr 26, 8:50 PM CDT	River Flood Warning	EAX	Andrew, Nodaway	28 hr
Apr 26, 8:50 PM CDT	River Flood Warning	EAX	Atchison, Holt	14 hr
Apr 26, 8:57 PM CDT	Special Weather Statement	EAX	Buchanan	33 min
Apr 26, 9:17 PM CDT	River Flood Warning	EAX	Daviess, Gentry	3 days
Apr 26, 9:17 PM CDT	River Flood Warning	EAX	Daviess, Livingston	3 days
Apr 26, 9:23 PM CDT	Areal Flood Advisory	EAX	Platte	6 hr
Apr 26, 10:02 PM CDT	Special Weather Statement	EAX	Grundy	28 min
Apr 26, 10:34 PM CDT	Flash Flood Warning	EAX	Platte	6 hr
Apr 26, 10:45 PM CDT	Areal Flood Advisory	EAX	Clay, Jackson	6 hr
Apr 27, 12:34 AM CDT	Areal Flood Advisory	EAX	Andrew, Buchanan, DeKalb, Gentry, Holt, Nodaway and 1 more	6 hr
Apr 27, 1:52 AM CDT	River Flood Warning	EAX	Clay, Platte	10 hr
Apr 27, 2:32 AM CDT	River Flood Warning	EAX	Clay, Ray	20 hr
Apr 27, 3:00 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	57 hr
Apr 27, 3:22 AM CDT	Areal Flood Warning	EAX	Daviess, DeKalb, Gentry, Harrison	6 hr
Apr 27, 4:02 AM CDT	Areal Flood Warning	EAX	Andrew, Buchanan, Holt	36 hr
Apr 27, 4:32 AM CDT	Areal Flood Warning	EAX	Platte	35 hr
Apr 27, 4:40 AM CDT	Areal Flood Advisory	EAX	Clay, Jackson	8 hr
Apr 27, 5:20 AM CDT	River Flood Warning	EAX	Bates, Cass, Henry	5 days
Apr 27, 7:36 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	4 days
Apr 27, 8:22 AM CDT	River Flood Warning	EAX	Johnson, Pettis	4 days
Apr 27, 8:22 AM CDT	River Flood Warning	EAX	Cooper, Saline	8 days
Apr 27, 8:22 AM CDT	River Flood Warning	EAX	Ray	36 hr
Apr 27, 8:22 AM CDT	River Flood Warning	EAX	Carroll	27 hr
Apr 27, 8:33 AM CDT	River Flood Warning	EAX	Bates	8 days
Apr 27, 9:20 AM CDT	Areal Flood Warning	EAX	Gentry, Harrison, Mercer, Nodaway, Putnam, Worth	24 hr
Apr 27, 9:38 AM CDT	Areal Flood Warning	EAX	Caldwell, Clinton, Daviess, DeKalb, Gentry, Harrison and 2 more	23 hr
Apr 27, 10:46 AM CDT	River Flood Warning	EAX	Carroll, Chariton	7 days
Apr 27, 10:46 AM CDT	River Flood Warning	EAX	Clay, Jackson, Ray	56 hr
Apr 27, 10:46 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	5 days
Apr 27, 10:46 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	5 days
Apr 27, 10:46 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Saline	7 days
Apr 27, 1:14 PM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry, Johnson	6 hr
Apr 27, 2:26 PM CDT	Areal Flood Advisory	EAX	Chariton, Cooper, Howard, Pettis, Randolph, Saline	3 hr
Apr 27, 2:58 PM CDT	Areal Flood Warning	EAX	Grundy, Linn, Livingston, Mercer, Sullivan	24 hr
Apr 27, 3:28 PM CDT	Flash Flood Warning	EAX	Chariton, Cooper, Howard, Pettis, Randolph, Saline	4 hr
Apr 27, 3:59 PM CDT	Flash Flood Warning	EAX	Bates, Henry	4 hr
Apr 27, 4:34 PM CDT	River Flood Warning	EAX	Cooper	27 hr
Apr 27, 4:58 PM CDT	Flash Flood Warning	EAX	Cooper, Howard, Pettis, Randolph	3 hr
Apr 27, 6:42 PM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry, Johnson	58 min
Apr 27, 6:54 PM CDT	River Flood Warning	EAX	Cooper	36 hr
Apr 26, 7:34 PM CDT	Areal Flood Advisory	EAX	Atchison, Doniphan	5 hr
Apr 26, 9:57 PM CDT	River Flood Warning	EAX	Atchison	16 hr
Apr 26, 9:57 PM CDT	River Flood Warning	EAX	Atchison, Leavenworth	44 hr
Apr 27, 4:05 AM CDT	River Flood Warning	EAX	Leavenworth	39 hr
Apr 27, 8:33 AM CDT	River Flood Warning	EAX	Miami	5 days
Apr 27, 8:33 AM CDT	River Flood Warning	EAX	Linn	7 days

Nearby

Tornado Warnings in Missouri, 2009 Tornado Warnings in Kansas, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.