Alert archive / Kansas / Tornado Watches in 2016

Tornado Watch 102

April 24, 201645 counties in Kansas; 8 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Apr 24, 2016, 3:04 PM CDT for 45 counties in Kansas; 8 counties in Oklahoma. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Apr 24, 2016, 3:04 PM CDT (20:04 UTC)
Expired
Apr 25, 2016, 12:00 AM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
65 kt
All 53 counties

Barber County, KS, Barton County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Dickinson County, KS, Douglas County, KS, Elk County, KS, Ellsworth County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Washington County, KS, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK, Noble County, OK, Woods County, OK, Woodward County, OK

The radar

The Wichita radar (KICT), 94 km from the middle of the area, began a volume at 20:06 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
20%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
95%
One or more hailstones of 2 inches or more
70%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 24, 3:21 PM CDTSevere Thunderstorm WarningICTBarton, Ellsworth, Lincoln, Russell54 min
Apr 24, 3:59 PM CDTTornado WarningICTBarton, Ellsworth, Lincoln46 min
Apr 24, 4:09 PM CDTSevere Thunderstorm WarningICTLincoln37 min
Apr 24, 4:39 PM CDTTornado WarningICTEllsworth, Lincoln51 min
Apr 24, 5:05 PM CDTSevere Thunderstorm WarningTOPOttawa40 min
Apr 24, 5:09 PM CDTTornado WarningICTSaline51 min
Apr 24, 5:43 PM CDTSevere Thunderstorm WarningTOPOttawa47 min
Apr 24, 5:48 PM CDTSevere Thunderstorm WarningTOPRepublic42 min
Apr 24, 5:59 PM CDTTornado WarningICTSaline46 min
Apr 24, 6:29 PM CDTSevere Thunderstorm WarningTOPDickinson, Ottawa46 min
Apr 24, 6:30 PM CDTSevere Thunderstorm WarningTOPRepublic30 min
Apr 24, 6:40 PM CDTSevere Thunderstorm WarningTOPClay, Riley35 min
Apr 24, 6:41 PM CDTSevere Thunderstorm WarningICTSaline19 min
Apr 24, 6:53 PM CDTTornado WarningTOPRepublic37 min
Apr 24, 6:55 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson50 min
Apr 24, 7:09 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley51 min
Apr 24, 7:15 PM CDTTornado Warning Tornado observedTOPWashington16 min
Apr 24, 7:16 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Geary, Riley44 min
Apr 24, 7:20 PM CDTSevere Thunderstorm WarningTOPClay40 min
Apr 24, 7:25 PM CDTSevere Thunderstorm WarningTOPCloud, Ottawa50 min
Apr 24, 7:29 PM CDTSevere Thunderstorm WarningTOPWashington20 min
Apr 24, 7:35 PM CDTTornado Warning Tornado observedTOPGeary, Riley25 min
Apr 24, 7:53 PM CDTSevere Thunderstorm WarningTOPJackson, Nemaha, Pottawatomie52 min
Apr 24, 7:59 PM CDTTornado WarningTOPGeary, Riley18 min
Apr 24, 8:00 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson45 min
Apr 24, 8:04 PM CDTSevere Thunderstorm WarningTOPRiley26 min
Apr 24, 8:06 PM CDTFlash Flood WarningTOPClay, Dickinson, Ottawa4 hr
Apr 24, 8:12 PM CDTSevere Thunderstorm WarningICTMcPherson, Saline48 min
Apr 24, 8:24 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley51 min
Apr 24, 8:31 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha44 min
Apr 24, 8:33 PM CDTSevere Thunderstorm WarningICTEllsworth, McPherson, Saline42 min
Apr 24, 8:34 PM CDTFlash Flood WarningTOPGeary, Pottawatomie, Riley3 hr
Apr 24, 8:44 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Geary, Riley46 min
Apr 24, 8:53 PM CDTSevere Thunderstorm WarningICTEllsworth, McPherson, Marion, Saline52 min
Apr 24, 8:54 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Wabaunsee36 min
Apr 24, 9:13 PM CDTSevere Thunderstorm WarningTOPJackson, Shawnee47 min
Apr 24, 9:13 PM CDTTornado WarningTOPGeary, Wabaunsee22 min
Apr 24, 9:17 PM CDTSevere Thunderstorm WarningTOPGeary, Riley, Wabaunsee43 min
Apr 24, 9:22 PM CDTSevere Thunderstorm WarningTOPDickinson27 min
Apr 24, 9:23 PM CDTFlash Flood WarningTOPPottawatomie, Riley4 hr
Apr 24, 9:40 PM CDTSevere Thunderstorm WarningICTMcPherson, Marion, Saline50 min
Apr 24, 9:46 PM CDTSevere Thunderstorm WarningTOPJefferson44 min
Apr 24, 10:24 PM CDTSevere Thunderstorm WarningICTMcPherson, Marion, Saline66 min
Apr 24, 10:56 PM CDTSevere Thunderstorm WarningTOPMorris33 min
Apr 24, 11:24 PM CDTSevere Thunderstorm WarningICTMarion36 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, 8.1 hours before the alert went out and 181 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 2016-04-24Temperature 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, Topeka, KS at 12:00Z on 2016-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1469 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

166 
WWUS20 KWNS 242001
SEL2  
SPC WW 242001
KSZ000-OKZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 102
NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT SUN APR 24 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  CENTRAL AND EASTERN KANSAS
  NORTHERN OKLAHOMA

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
  1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  WIDESPREAD LARGE HAIL EXPECTED WITH ISOLATED VERY LARGE HAIL
    EVENTS TO 3 INCHES IN DIAMETER LIKELY
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 75 MPH POSSIBLE

SUMMARY...A FEW SUPERCELL STORMS WITH A THREAT FOR VERY LARGE
HAIL...LOCALLY DAMAGING WIND...AND A TORNADO OR TWO EXPECTED TO
DEVELOP AND MOVE GENERALLY EAST-NORTHEAST ACROSS CENTRAL AND EASTERN
KANSAS LATER TODAY INTO TONIGHT. A MORE ISOLATED SEVERE THREAT
SOUTHWARD INTO PARTS OF OKLAHOMA ALSO MAY PERSIST THROUGH LATER
TONIGHT.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF MANHATTAN
KANSAS TO 25 MILES WEST SOUTHWEST OF ENID OKLAHOMA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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 101...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24035.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 9:28 PM CDTMesoscale DiscussionSPCCheyenne, Greeley, Logan, Rawlins, Scott, Sherman and 3 more92 min
Apr 24, 1:50 PM CDTMesoscale DiscussionSPCBarber, Barton, Clay, Cloud, Comanche, Dickinson and 19 more2 hr
Apr 24, 2:28 PM CDTSevere Thunderstorm WatchSPCJewell, Mitchell, Osborne, Smith8 hr
Apr 24, 5:50 PM CDTMesoscale DiscussionSPCBarber, Barton, Brown, Butler, Chase, Chautauqua and 42 more55 min
Apr 24, 6:10 PM CDTMesoscale DiscussionSPCBrown, Jewell, Marshall, Nemaha, Republic, Washington65 min

Nearby

Tornado Watches in Kansas, 2016Tornado Watches in Oklahoma, 2016Every tornado 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.