Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 4, NWS Kansas City, MO

May 15, 2015Howard County, Missouri

NWS Kansas City, MO issued this tornado warning at May 15, 2015, 6:27 PM CDT for Howard County, Missouri. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 15, 2015, 6:27 PM CDT (23:27 UTC)
Expired: May 15, 2015, 7:00 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Howard County, MO

The radar

The Pleasant Hill radar (KEAX), 124 km from the middle of the area, began a volume at 23:30 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.

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.5 hours before the alert went out and 239 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: 1804 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

551 
WFUS53 KEAX 152327
TOREAX
MOC089-160000-
/O.NEW.KEAX.TO.W.0004.150515T2327Z-150516T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
627 PM CDT FRI MAY 15 2015

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN HOWARD COUNTY IN CENTRAL MISSOURI...

* UNTIL 700 PM CDT

* AT 623 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A  
  TORNADO WAS LOCATED 9 MILES SOUTH OF GLASGOW...AND MOVING EAST
  AT 20 MPH. THIS STORM HAS BEEN PRODUCING A PERSISTENT FUNNEL CLOUD.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL HOWARD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3906 9292 3907 9292 3908 9291 3910 9291
      3910 9293 3913 9294 3914 9291 3920 9271
      3905 9269
TIME...MOT...LOC 2326Z 261DEG 17KT 3911 9289

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

LAFLIN

3 follow-up statements

840 
WWUS53 KEAX 152334
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
634 PM CDT FRI MAY 15 2015

MOC089-160000-
/O.CON.KEAX.TO.W.0004.000000T0000Z-150516T0000Z/
HOWARD MO-
634 PM CDT FRI MAY 15 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN HOWARD COUNTY
UNTIL 700 PM CDT...

AT 632 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 9 MILES NORTHWEST OF NEW FRANKLIN...AND MOVING EAST AT 20
MPH. THIS STORM HAS BEEN PRODUCING A PERSISTENT FUNNEL CLOUD.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL HOWARD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3906 9288 3914 9290 3919 9271 3905 9269
TIME...MOT...LOC 2334Z 267DEG 16KT 3910 9285

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LAFLIN

281 
WWUS53 KEAX 152347
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
647 PM CDT FRI MAY 15 2015

MOC089-160000-
/O.CON.KEAX.TO.W.0004.000000T0000Z-150516T0000Z/
HOWARD MO-
647 PM CDT FRI MAY 15 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL HOWARD COUNTY
UNTIL 700 PM CDT...

AT 646 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 6 MILES SOUTHWEST OF FAYETTE...AND MOVING EAST AT 15 
MPH. THIS STORM HAS A HISTORY OF PRODUCING A FUNNEL CLOUD.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
         LIKELY.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL HOWARD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3908 9281 3913 9282 3916 9271 3907 9269
TIME...MOT...LOC 2347Z 264DEG 14KT 3911 9279

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

LAFLIN

478 
WWUS53 KEAX 152356
SVSEAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
656 PM CDT FRI MAY 15 2015

MOC089-160006-
/O.EXP.KEAX.TO.W.0004.000000T0000Z-150516T0000Z/
HOWARD MO-
656 PM CDT FRI MAY 15 2015

...THE TORNADO WARNING FOR CENTRAL HOWARD COUNTY WILL EXPIRE AT 700
PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 3908 9281 3913 9282 3916 9271 3907 9269
TIME...MOT...LOC 2356Z 264DEG 14KT 3911 9274

$$

LAFLIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 12:42 PM CDT	Special Weather Statement	EAX	Clay, Jackson, Platte	48 min
May 15, 1:19 PM CDT	Special Weather Statement	EAX	Buchanan, Clay, Clinton, Platte, Ray	41 min
May 15, 2:04 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Ray	26 min
May 15, 2:29 PM CDT	Special Weather Statement	EAX	Daviess, Grundy, Harrison, Mercer	61 min
May 15, 3:01 PM CDT	Special Weather Statement	EAX	Linn	29 min
May 15, 3:29 PM CDT	Special Weather Statement	EAX	Livingston	31 min
May 15, 4:18 PM CDT	Special Weather Statement	EAX	Lafayette	27 min
May 15, 5:23 PM CDT	Special Weather Statement	EAX	Saline	37 min
May 15, 5:29 PM CDT	Severe Thunderstorm Warning	EAX	Saline	31 min
May 15, 5:52 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	38 min
May 15, 6:08 PM CDT	Tornado Warning	EAX	Howard, Saline	22 min
May 15, 6:24 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	51 min

Nearby

Tornado Warnings in Missouri, 2015 Every tornado warning in 2015 Tornadoes in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.