Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 1, NWS Kansas City, MO

April 3, 20114 counties in Missouri

NWS Kansas City, MO issued this tornado warning at Apr 3, 2011, 8:55 PM CDT for 4 counties in Missouri. It was in force for 35 min. 1 report 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 3, 2011, 8:55 PM CDT (01:55 UTC)
Expired: Apr 3, 2011, 9:30 PM CDT
In force: 35 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon

Counties Carroll County, MO, Chariton County, MO, Ray County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 01:55 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 3, 9:05 PM CDT	FUNNEL CLOUD	10 Sw Carrollton, MO	SITING OF A FUNNEL CLOUD JUST NORTH OF THE MISSOURI RIVER NORTH OF WAVERLY

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 3, 6:21 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.9 hours before the alert went out and 187 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: 1873 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 2220 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

856 
WFUS53 KEAX 040155
TOREAX
MOC033-041-177-195-040230-
/O.NEW.KEAX.TO.W.0001.110404T0155Z-110404T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
855 PM CDT SUN APR 3 2011

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  CARROLL COUNTY IN NORTH CENTRAL MISSOURI...
  WEST CENTRAL CHARITON COUNTY IN NORTH CENTRAL MISSOURI...
  EAST CENTRAL RAY COUNTY IN WEST CENTRAL MISSOURI...
  NORTHWESTERN SALINE COUNTY IN CENTRAL MISSOURI...

* UNTIL 930 PM CDT

* AT 850 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HARDIN...OR 6 MILES NORTHEAST OF
  LEXINGTON...AND MOVING EAST AT 55 MPH.  IN ADDITION TO A TORNADO...
  GOLF BALL SIZE HAIL IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  CARROLLTON...NORBORNE...BOSWORTH...BRUNSWICK...STET...BOGARD...
  WAKENDA...MIAMI...DE WITT AND TRIPLETT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

&&

LAT...LON 3921 9312 3922 9349 3928 9349 3928 9350
      3923 9350 3922 9351 3922 9357 3924 9360
      3925 9364 3922 9371 3922 9383 3944 9384
      3959 9314
TIME...MOT...LOC 0154Z 257DEG 49KT 3927 9374
HAIL 1.75IN

$$

BOOKBINDER

2 follow-up statements

232 
WWUS53 KEAX 040207
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
907 PM CDT SUN APR 3 2011

MOC177-040216-
/O.CAN.KEAX.TO.W.0001.000000T0000Z-110404T0230Z/
RAY MO-
907 PM CDT SUN APR 3 2011

...THE TORNADO WARNING FOR EAST CENTRAL RAY COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED EAST INTO CARROLL 
COUNTY.

LAT...LON 3921 9312 3922 9349 3928 9349 3928 9350
      3923 9350 3922 9351 3922 9357 3924 9360
      3925 9364 3948 9367 3959 9314
TIME...MOT...LOC 0206Z 257DEG 49KT 3930 9353

$$

MOC033-041-195-040230-
/O.CON.KEAX.TO.W.0001.000000T0000Z-110404T0230Z/
SALINE MO-CARROLL MO-CHARITON MO-
907 PM CDT SUN APR 3 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL CHARITON...
CARROLL AND NORTHWESTERN SALINE COUNTIES UNTIL 930 PM CDT...

AT 904 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NEAR NORBRONE.  A TORNADO MAY DEVELOP AT ANY TIME. THIS DANGEROUS 
STORM WAS LOCATED 6 MILES EAST OF NORBORNE...OR 6 MILES SOUTHWEST OF 
CARROLLTON...MOVING EAST AT 55 MPH.  IN ADDITION TO A TORNADO...GOLF 
BALL SIZE HAIL IS EXPECTED WITH THIS STORM THROUGH CENTRAL CARROLL 
COUNTY.

LOCATIONS IMPACTED INCLUDE...
  CARROLLTON...BOSWORTH...BRUNSWICK...BOGARD...WAKENDA...MIAMI...DE
  WITT AND TRIPLETT.

LAT...LON 3921 9312 3922 9349 3928 9349 3928 9350
      3923 9350 3922 9351 3922 9357 3924 9360
      3925 9364 3948 9367 3959 9314
TIME...MOT...LOC 0206Z 257DEG 49KT 3930 9353
HAIL 1.75IN

$$

BOOKBINDER

622 
WWUS53 KEAX 040228
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
928 PM CDT SUN APR 3 2011

MOC033-041-195-040238-
/O.EXP.KEAX.TO.W.0001.000000T0000Z-110404T0230Z/
SALINE MO-CARROLL MO-CHARITON MO-
928 PM CDT SUN APR 3 2011

AT 927 PM CDT...A TORNADO WAS REPORTED...PRODUCING.  THIS TORNADO WAS
LOCATED NEAR BRUNSWICK...OR 12 MILES NORTHWEST OF SLATER...MOVING
EAST AT 55 MPH.

...THE TORNADO WARNING FOR WEST CENTRAL CHARITON...CARROLL AND
NORTHWESTERN SALINE COUNTIES WILL EXPIRE AT 930 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA AND ROTATION HAS WEAKENED.  HOWEVER QUARTER SIZE HAIL AND GUSTY 
WINDS STRONGER THAN 60 MPH ARE STILL POSSIBLE WITH THIS THUNDERSTORM.


LAT...LON 3921 9312 3922 9349 3928 9349 3928 9350
      3923 9350 3922 9351 3922 9357 3924 9360
      3925 9364 3948 9367 3959 9314
TIME...MOT...LOC 0228Z 257DEG 49KT 3937 9315

$$

DUX

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 7:04 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Jackson, Platte	41 min
Apr 3, 7:09 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Schuyler, Sullivan	36 min
Apr 3, 7:33 PM CDT	Special Weather Statement	EAX	Caldwell	27 min
Apr 3, 7:37 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Putnam, Schuyler, Sullivan	38 min
Apr 3, 7:42 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	33 min
Apr 3, 7:44 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, Platte	46 min
Apr 3, 7:48 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, Grundy, Linn, Livingston	28 min
Apr 3, 7:54 PM CDT	Special Weather Statement	EAX	Holt, Nodaway	51 min
Apr 3, 7:58 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson	32 min
Apr 3, 8:06 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Ray	24 min
Apr 3, 8:13 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Schuyler, Sullivan	47 min
Apr 3, 8:25 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Clay, Jackson, Lafayette, Ray	35 min
Apr 3, 8:31 PM CDT	Special Weather Statement	EAX	Daviess, DeKalb	44 min
Apr 3, 8:38 PM CDT	Special Weather Statement	EAX	Daviess, Grundy	52 min
Apr 3, 8:55 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Linn, Livingston, Sullivan	35 min
Apr 3, 9:05 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Clay, Jackson	40 min
Apr 3, 9:07 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	38 min
Apr 3, 9:24 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Grundy, Putnam, Sullivan	36 min
Apr 3, 9:27 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Howard, Macon, Randolph, Saline	33 min
Apr 3, 9:31 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson, Johnson, Lafayette	44 min
Apr 3, 9:37 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	23 min
Apr 3, 9:41 PM CDT	Severe Thunderstorm Warning	EAX	Cass	34 min
Apr 3, 9:51 PM CDT	Special Weather Statement	EAX	Carroll, Ray	39 min
Apr 3, 9:59 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	46 min
Apr 3, 10:07 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Henry, Johnson	23 min
Apr 3, 10:11 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Cooper, Howard, Johnson, Lafayette and 2 more	34 min
Apr 3, 10:14 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry	31 min
Apr 3, 10:14 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Linn, Livingston, Ray, Saline	31 min
Apr 3, 10:33 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	27 min
Apr 3, 10:36 PM CDT	Severe Thunderstorm Warning	EAX	Bates	39 min
Apr 3, 10:41 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Cooper, Howard, Macon, Randolph, Saline	49 min
Apr 3, 11:20 PM CDT	Special Weather Statement	EAX	Cooper	25 min
Apr 3, 11:37 PM CDT	Special Weather Statement	EAX	Henry	23 min
Apr 4, 4:08 AM CDT	Wind Advisory	EAX	Andrew, Atchison, Buchanan, Caldwell, Carroll, Cass and 16 more	11 hr

Nearby

Tornado Warnings in Missouri, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.