Alert archive / Missouri / Tornado Watches in 2014

Tornado Watch 368

June 29, 201414 counties in Kansas; 24 counties in Missouri

The Storm Prediction Center issued this tornado watch at Jun 29, 2014, 6:46 PM CDT for 14 counties in Kansas; 24 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 29, 2014, 6:46 PM CDT (23:46 UTC)
Expired
Jun 29, 2014, 11:49 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
65 kt
All 38 counties

Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 116 km from the middle of the area, began a volume at 23:46 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
30%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
40%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 29, 7:17 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson28 min
Jun 29, 7:28 PM CDTSevere Thunderstorm WarningEAXAndrew, Gentry, Nodaway47 min
Jun 29, 7:41 PM CDTSevere Thunderstorm WarningEAXDoniphan34 min
Jun 29, 8:01 PM CDTTornado WarningEAXAndrew, Nodaway29 min
Jun 29, 8:04 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan41 min
Jun 29, 8:15 PM CDTFlash Flood WarningEAXAndrew, Nodaway8 hr
Jun 29, 8:20 PM CDTTornado WarningEAXAtchison25 min
Jun 29, 8:37 PM CDTTornado WarningEAXDoniphan4 min
Jun 29, 8:45 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan30 min
Jun 29, 8:56 PM CDTTornado WarningEAXAtchison34 min
Jun 29, 9:16 PM CDTFlash Flood WarningEAXAtchison6 hr
Jun 29, 9:21 PM CDTTornado Warning Tornado observedEAXBuchanan, Platte24 min
Jun 29, 9:27 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam, Sullivan48 min
Jun 29, 9:28 PM CDTTornado Warning Tornado observedEAXBuchanan17 min
Jun 29, 9:36 PM CDTTornado WarningEAXGrundy, Mercer24 min
Jun 29, 9:45 PM CDTTornado WarningEAXBuchanan15 min
Jun 29, 9:52 PM CDTSevere Thunderstorm WarningEAXBuchanan38 min
Jun 29, 9:58 PM CDTTornado WarningEAXMercer, Putnam, Sullivan32 min
Jun 29, 10:27 PM CDTSevere Thunderstorm WarningEAXPutnam, Sullivan48 min
Jun 29, 10:33 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton17 min
Jun 29, 10:38 PM CDTSevere Thunderstorm WarningEAXHarrison, Mercer37 min
Jun 29, 11:15 PM CDTSevere Thunderstorm WarningEAXPutnam, Schuyler60 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.8 hours before the alert went out and 95 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2014-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1530 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2014-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1530 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

063 
WWUS20 KWNS 292344
SEL8  
SPC WW 292344
KSZ000-MOZ000-300600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 368
NWS STORM PREDICTION CENTER NORMAN OK
645 PM CDT SUN JUN 29 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHEAST KANSAS
  NORTHWEST MISSOURI

* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 645 PM
  UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
    MPH POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
    INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST OF TOPEKA
KANSAS TO 25 MILES SOUTHEAST OF CHILLICOTHE MISSOURI.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 367...

DISCUSSION...A DEVELOPING CLUSTER OF STORMS IN NE KS APPEARS IT WILL
CONTINUE TO INTENSIFY THIS EVENING WHILE SPREADING TOWARD NW MO. 
THE ENVIRONMENT FAVORS SUPERCELLS INITIALLY WITH STRONG INSTABILITY
AND DEEP-LAYER VERTICAL SHEAR...WITH LARGE HAIL AND DAMAGING GUSTS
THE MAIN THREATS.  ADDITIONALLY...A COUPLE TORNADOES WILL BE
POSSIBLE THE NEXT FEW HOURS WITH SUPERCELLS AS LOW-LEVEL SHEAR
INCREASES SOME IN A MOIST PROFILE.  OTHERWISE...STORMS MAY
EVENTUALLY GROW INTO MORE OF A SMALL MCS WITH THE POTENTIAL TO
PRODUCE DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 28025.


...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 1:33 AM CDTMesoscale DiscussionSPCBarton, Edwards, Ellis, Ellsworth, Gove, Hodgeman and 12 more87 min
Jun 29, 6:38 AM CDTMesoscale DiscussionSPCBarton, Decatur, Edwards, Ellis, Ellsworth, Gove and 18 more97 min
Jun 29, 6:21 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Franklin, Jackson and 10 more84 min
Jun 29, 2:02 PM CDTMesoscale DiscussionSPCAtchison118 min
Jun 29, 4:04 PM CDTTornado WatchSPCAtchison, Gentry, Harrison, Holt, Mercer, Nodaway and 1 more7 hr
Jun 29, 6:06 PM CDTMesoscale DiscussionSPCAtchison84 min
Jun 29, 5:14 PM CDTMesoscale DiscussionSPCDixon91 min

Nearby

Tornado Watches in Missouri, 2014Tornado Watches in Kansas, 2014Every tornado watch in 2014

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.