Alert archive / Kansas / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 80

April 10, 201613 counties in Kansas; 12 counties in Missouri; 6 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 10, 2016, 5:31 PM CDT for 13 counties in Kansas; 12 counties in Missouri; 6 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 10, 2016, 5:31 PM CDT (22:31 UTC)
Expired
Apr 11, 2016, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 31 counties

Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Cedar County, MO, Dade County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Morgan County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 138 km from the middle of the area, began a volume at 22:35 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
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
10%
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

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

IssuedProductOfficeCountiesLasted
Apr 10, 5:38 PM CDTSevere Thunderstorm WarningSGFBenton52 min
Apr 10, 6:09 PM CDTSevere Thunderstorm WarningSGFMorgan29 min
Apr 10, 7:11 PM CDTSevere Thunderstorm WarningTSAOsage49 min
Apr 10, 7:22 PM CDTSevere Thunderstorm WarningTSANowata, Washington38 min
Apr 10, 7:33 PM CDTFlash Flood WarningSGFBenton6 hr
Apr 10, 7:35 PM CDTSevere Thunderstorm WarningSGFBenton, Morgan28 min
Apr 10, 7:36 PM CDTSevere Thunderstorm WarningSGFSt. Clair39 min
Apr 10, 7:57 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Washington33 min
Apr 10, 7:58 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Washington47 min
Apr 10, 8:41 PM CDTSevere Thunderstorm WarningICTLabette, Montgomery34 min
Apr 10, 8:43 PM CDTSevere Thunderstorm WarningTSANowata, Washington47 min
Apr 10, 9:07 PM CDTSevere Thunderstorm WarningICTChautauqua, Elk, Labette, Montgomery, Neosho, Wilson37 min
Apr 10, 9:10 PM CDTSevere Thunderstorm WarningICTChautauqua, Cowley, Elk65 min
Apr 10, 9:11 PM CDTSevere Thunderstorm WarningTSAOsage49 min
Apr 10, 9:15 PM CDTSevere Thunderstorm WarningSGFCrawford28 min
Apr 10, 9:33 PM CDTSevere Thunderstorm WarningSGFBourbon57 min
Apr 10, 9:34 PM CDTSevere Thunderstorm WarningTSAOsage56 min
Apr 10, 9:35 PM CDTSevere Thunderstorm WarningICTElk, Montgomery, Wilson55 min
Apr 10, 10:00 PM CDTSevere Thunderstorm WarningTSANowata, Washington45 min
Apr 10, 10:18 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick, Sumner57 min
Apr 10, 10:24 PM CDTSevere Thunderstorm WarningICTLabette, Montgomery36 min
Apr 10, 11:07 PM CDTSevere Thunderstorm WarningICTButler, Cowley53 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

Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 151 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, Springfield, MO at 12:00Z on 2016-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2016-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 723 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
916 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
723 m²/s²
0-3 km storm-relative helicity
861 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

260 
WWUS20 KWNS 102229
SEL0  
SPC WW 102229
KSZ000-MOZ000-OKZ000-110500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 80
NWS STORM PREDICTION CENTER NORMAN OK
530 PM CDT SUN APR 10 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  SOUTHEAST KANSAS
  SOUTHWEST MISSOURI
  EXTREME NORTHEAST OKLAHOMA

* EFFECTIVE THIS SUNDAY AFTERNOON FROM 530 PM UNTIL MIDNIGHT CDT.

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

SUMMARY...THUNDERSTORMS WILL LIKELY INCREASE IN COVERAGE AND
INTENSITY IN A BAND FROM SOUTHEAST KANSAS INTO SOUTHWEST MISSOURI
THROUGH LATE EVENING...AND THE STORMS MAY EVENTUALLY DEVELOP
SOUTHWARD INTO EXTREME NORTHEAST OKLAHOMA.  A FEW SUPERCELLS WILL BE
POSSIBLE WITHIN THE BAND OF CONVECTION...WITH LARGE HAIL AND
ISOLATED DAMAGING WINDS THE MAIN THREATS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF
BARTLESVILLE OKLAHOMA TO 90 MILES NORTHEAST OF JOPLIN MISSOURI. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 78...WW 79...

AVIATION...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 25030.


...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 5:13 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 4 more92 min
Apr 10, 2:56 PM CDTMesoscale DiscussionSPCHarmon2 hr
Apr 10, 3:31 PM CDTSevere Thunderstorm WatchSPCBeckham, Greer, Harmon, Jackson6 hr
Apr 10, 4:57 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 24 more2 hr
Apr 10, 5:13 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 27 more5 hr
Apr 10, 6:57 PM CDTMesoscale DiscussionSPCGreer, Harmon, Jackson93 min

Nearby

Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Missouri, 2016Severe Thunderstorm Watches in Oklahoma, 2016Every severe thunderstorm watch in 2016

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.