Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 3, NWS Kansas City, MO

May 15, 2015Howard County, Saline County, Missouri

NWS Kansas City, MO issued this tornado warning at May 15, 2015, 6:08 PM CDT for Howard County, Saline County, Missouri. It was in force for 22 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, 6:08 PM CDT (23:08 UTC)
Expired: May 15, 2015, 6:30 PM CDT
In force: 22 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Howard County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 120 km from the middle of the area, began a volume at 23:08 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, 11.1 hours before the alert went out and 234 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.

369 
WFUS53 KEAX 152308
TOREAX
MOC089-195-152330-
/O.NEW.KEAX.TO.W.0003.150515T2308Z-150515T2330Z/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL HOWARD COUNTY IN CENTRAL MISSOURI...
  EAST CENTRAL SALINE COUNTY IN CENTRAL MISSOURI...

* UNTIL 630 PM CDT

* AT 606 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 8 MILES SOUTH OF SLATER...AND MOVING EAST AT 25
  MPH. SPOTTERS OBSERVED A FUNNEL CLOUD AT 605 PM CDT.

  HAZARD...TORNADO AND QUARTER 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...
  ARROW ROCK.

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 9283 3906 9306 3915 9307 3919 9285
TIME...MOT...LOC 2308Z 258DEG 20KT 3910 9301

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

LAFLIN

1 follow-up statement

479 
WWUS53 KEAX 152317
SVSEAX

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

MOC089-195-152330-
/O.CON.KEAX.TO.W.0003.000000T0000Z-150515T2330Z/
HOWARD MO-SALINE MO-
617 PM CDT FRI MAY 15 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL SALINE AND
WEST CENTRAL HOWARD COUNTIES UNTIL 630 PM CDT...

AT 614 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 9 MILES SOUTHEAST OF SLATER...AND MOVING EAST AT 20 MPH.

HAZARD...TORNADO AND QUARTER 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 EXTREME WESTERN 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 9293 3906 9294 3906 9301 3914 9302
      3918 9285 3917 9284 3906 9283
TIME...MOT...LOC 2317Z 261DEG 17KT 3911 9295

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

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, 6:24 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	51 min
May 15, 6:27 PM CDT	Tornado Warning	EAX	Howard	33 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.