Alert archive / Missouri / Tornado Watches in 2014

Tornado Watch 376

June 30, 2014Adams County, Brown County, Pike County, Illinois; 5 counties in Kansas; 40 counties in Missouri

The Storm Prediction Center issued this tornado watch at Jun 30, 2014, 5:29 PM CDT for Adams County, Brown County, Pike County, Illinois; 5 counties in Kansas; 40 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 30, 2014, 5:29 PM CDT (22:29 UTC)
Expired
Jun 30, 2014, 11:22 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 48 counties

Adams County, IL, Brown County, IL, Pike County, IL, Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Audrain County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Monroe County, MO, Nodaway County, MO, Pike County, MO, Platte County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 145 km from the middle of the area, began a volume at 22:31 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
40%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 30, 5:45 PM CDTTornado WarningEAXHarrison, Mercer30 min
Jun 30, 6:16 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam, Sullivan44 min
Jun 30, 7:02 PM CDTSevere Thunderstorm WarningEAXAdair, Putnam, Sullivan43 min
Jun 30, 7:18 PM CDTSevere Thunderstorm WarningEAXDoniphan42 min
Jun 30, 7:50 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Harrison, Mercer, Sullivan40 min
Jun 30, 8:10 PM CDTTornado Warning Tornado observedEAXDaviess, Grundy, Sullivan35 min
Jun 30, 8:45 PM CDTTornado WarningEAXAdair, Putnam, Schuyler19 min
Jun 30, 8:56 PM CDTSevere Thunderstorm WarningEAXAdair19 min
Jun 30, 9:06 PM CDTSevere Thunderstorm WarningLSXKnox39 min
Jun 30, 9:18 PM CDTSevere Thunderstorm WarningEAXCaldwell, Carroll, Ray42 min
Jun 30, 9:22 PM CDTSevere Thunderstorm WarningLSXLewis24 min
Jun 30, 9:26 PM CDTSevere Thunderstorm WarningEAXClay, Jackson, Ray49 min
Jun 30, 9:33 PM CDTTornado WarningEAXClay, Jackson, Ray27 min
Jun 30, 9:59 PM CDTSevere Thunderstorm WarningEAXClay, Jackson, Lafayette, Ray46 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, 10.5 hours before the alert went out and 222 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 2014-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2105 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 2014-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 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
2105 J/kg
Mixed-layer CIN
-355 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
225 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.

278 
WWUS20 KWNS 302232
SEL6  
SPC WW 302232
ILZ000-KSZ000-MOZ000-010600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 376
NWS STORM PREDICTION CENTER NORMAN OK
530 PM CDT MON JUN 30 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN ILLINOIS
  NORTHEASTERN KANSAS
  NORTHERN MISSOURI

* EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 530 PM
  UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE INTENSE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 125 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF
KIRKSVILLE MISSOURI TO 80 MILES SOUTHEAST OF CHILLICOTHE
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 373...WW 374...WW 375...

DISCUSSION...STORMS INCLUDING A FEW SUPERCELLS ARE EXPECTED TO
DEVELOP ALONG AND SOUTH OF A SEWD MOVING COLD FRONT. STORMS OVER
EXTREME NRN MO MAY INTERACT WITH A PRE-EXISTING OUTFLOW BOUNDARY
WHICH COULD ENHANCE THE TORNADO THREAT. OTHERWISE...STRONG
INSTABILITY AND 40 KT DEEP LAYER SHEAR WILL SUPPORT SUPERCELLS...BUT
WITH TIME STORMS MAY TEND TO EVOLVE INTO CLUSTERS LATER THIS
EVENING. LARGE HAIL...DAMAGING WIND AND ISOLATED TORNADOES ARE
POSSIBLE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26035.


...DIAL

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 8:15 PM CDTSevere Thunderstorm WatchSPCCarroll, Jo Daviess, Rock Island, Stephenson, Whiteside7 hr
Jun 29, 9:43 PM CDTMesoscale DiscussionSPCCarroll, Jo Daviess, Stephenson92 min
Jun 29, 10:54 PM CDTTornado WatchSPCBoone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more5 hr
Jun 30, 1:41 AM CDTMesoscale DiscussionSPCBureau, Cook, DeKalb, DuPage, Grundy, Kane and 11 more64 min
Jun 30, 10:18 AM CDTMesoscale DiscussionSPCChristian, Logan, Macon, Mason, Menard, Montgomery and 5 more87 min
Jun 30, 1:27 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Champaign, DeKalb, DeWitt and 36 more93 min
Jun 30, 2:03 PM CDTTornado WatchSPCBoone, Bureau, Carroll, DeKalb, Fulton, Hancock and 22 more5 hr
Jun 30, 3:25 PM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, Cook, DeKalb, DuPage and 35 more35 min
Jun 30, 3:33 PM CDTSevere Thunderstorm Watch PDSSPCCook, DuPage, Ford, Grundy, Iroquois, Kane and 6 more7 hr
Jun 30, 4:33 PM CDTMesoscale DiscussionSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more117 min
Jun 30, 6:08 PM CDTMesoscale DiscussionSPCDeWitt, LaSalle, McLean, Marshall, Peoria, Putnam and 3 more67 min
Jun 30, 6:28 PM CDTMesoscale DiscussionSPCJo Daviess, Rock Island92 min
Jun 29, 9:02 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Franklin, Jackson and 7 more88 min
Jun 29, 11:36 PM CDTMesoscale DiscussionSPCWyandotte54 min
Jun 30, 12:06 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Chase, Clay, Coffey and 26 more54 min
Jun 30, 3:52 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Dickinson, Doniphan and 18 more113 min
Jun 30, 3:55 PM CDTMesoscale DiscussionSPCClark, Comanche, Ford, Gray, Haskell, Kiowa and 4 more65 min
Jun 30, 6:30 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 15 more6 hr
Jun 30, 6:50 PM CDTMesoscale DiscussionSPCAtchison, Barber, Chase, Clark, Comanche, Douglas and 21 more85 min
Jun 29, 10:10 PM CDTMesoscale DiscussionSPCNodaway, Worth65 min
Jun 30, 5:12 PM CDTMesoscale DiscussionSPCAdair, Andrew, Buchanan, Caldwell, Clark, Clinton and 20 more63 min

Nearby

Tornado Watches in Missouri, 2014Tornado Watches in Kansas, 2014Tornado Watches in Illinois, 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.