Alert archive / Kansas / Tornado Watches in 2015

Tornado Watch 252

June 3, 201540 counties in Kansas; 17 counties in Nebraska

The Storm Prediction Center issued this tornado watch at Jun 3, 2015, 6:33 PM CDT for 40 counties in Kansas; 17 counties in Nebraska. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 3, 2015, 6:33 PM CDT (23:33 UTC)
Expired
Jun 4, 2015, 2:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
65 kt
All 57 counties

Barton County, KS, Clay County, KS, Cloud County, KS, Decatur County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Geary County, KS, Gove County, KS, Graham County, KS, Hodgeman County, KS, Jewell County, KS, Lane County, KS, Lincoln County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Smith County, KS, Stafford County, KS, Trego County, KS, Wabaunsee County, KS, Washington County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Gosper County, NE, Harlan County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Nuckolls County, NE, Pawnee County, NE, Phelps County, NE, Saline County, NE, Thayer County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 104 km from the middle of the area, began a volume at 23:32 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
30%
One or more gusts of 65 knots or more
30%
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

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

IssuedProductOfficeCountiesLasted
Jun 3, 6:47 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee, Rush43 min
Jun 3, 7:28 PM CDTSevere Thunderstorm WarningDDCEdwards, Hodgeman, Pawnee62 min
Jun 3, 7:45 PM CDTSevere Thunderstorm WarningGIDRooks45 min
Jun 3, 7:56 PM CDTSevere Thunderstorm WarningGIDOsborne34 min
Jun 3, 8:11 PM CDTSevere Thunderstorm WarningDDCHodgeman64 min
Jun 3, 8:11 PM CDTTornado WarningGIDOsborne, Rooks34 min
Jun 3, 8:15 PM CDTSevere Thunderstorm WarningGIDOsborne30 min
Jun 3, 8:23 PM CDTSevere Thunderstorm WarningGIDMitchell, Osborne37 min
Jun 3, 8:26 PM CDTSevere Thunderstorm WarningICTRussell49 min
Jun 3, 8:32 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell, Osborne, Smith28 min
Jun 3, 8:45 PM CDTFlash Flood WarningDDCHodgeman, Pawnee3 hr
Jun 3, 8:45 PM CDTSevere Thunderstorm WarningGIDOsborne30 min
Jun 3, 8:50 PM CDTSevere Thunderstorm WarningGIDOsborne40 min
Jun 3, 8:56 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell, Osborne, Smith34 min
Jun 3, 9:13 PM CDTSevere Thunderstorm WarningDDCFord, Hodgeman23 min
Jun 3, 9:15 PM CDTSevere Thunderstorm WarningGIDMitchell, Osborne45 min
Jun 3, 9:21 PM CDTSevere Thunderstorm WarningGIDJewell39 min
Jun 3, 9:38 PM CDTSevere Thunderstorm WarningGIDRooks52 min
Jun 3, 10:04 PM CDTSevere Thunderstorm WarningGIDMitchell, Osborne41 min
Jun 3, 10:15 PM CDTTornado WarningGIDMitchell, Osborne30 min
Jun 3, 10:15 PM CDTSevere Thunderstorm WarningGIDNuckolls45 min
Jun 3, 10:29 PM CDTSevere Thunderstorm WarningGIDRooks24 min
Jun 3, 10:41 PM CDTTornado WarningGIDMitchell34 min
Jun 3, 10:50 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Nuckolls, Webster40 min
Jun 3, 11:11 PM CDTSevere Thunderstorm WarningGLDGraham26 min
Jun 3, 11:15 PM CDTSevere Thunderstorm WarningGIDMitchell45 min
Jun 3, 11:15 PM CDTSevere Thunderstorm WarningGIDClay45 min
Jun 3, 11:17 PM CDTFlash Flood WarningGIDMitchell, Osborne4 hr
Jun 3, 11:23 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer52 min
Jun 3, 11:54 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore51 min
Jun 3, 11:58 PM CDTSevere Thunderstorm WarningGIDPhillips36 min
Jun 4, 12:15 AM CDTSevere Thunderstorm WarningGIDHarlan26 min
Jun 4, 12:20 AM CDTSevere Thunderstorm WarningGIDFillmore, York24 min
Jun 4, 12:41 AM CDTSevere Thunderstorm WarningOAXPawnee34 min
Jun 4, 1:30 AM CDTSevere Thunderstorm WarningGIDBuffalo, Kearney30 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

Dodge City, (KDDC), launched 12:00Z, 11.6 hours before the alert went out and 206 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, Dodge City, at 12:00Z on 2015-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 899 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2015-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
899 J/kg
Mixed-layer CIN
-454 J/kg
Mixed-layer LCL
1624 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

802 
WWUS20 KWNS 032331
SEL2  
SPC WW 032331
KSZ000-NEZ000-040700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 252
NWS STORM PREDICTION CENTER NORMAN OK
630 PM CDT WED JUN 3 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  CENTRAL AND NORTHERN KANSAS
  SOUTHERN NEBRASKA

* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 630 PM
  UNTIL 200 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
    INCHES IN DIAMETER POSSIBLE
  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

SUMMARY...POTENTIAL FOR SEVERE THUNDERSTORMS IS EXPECTED TO INCREASE
THROUGH AT LEAST EARLY-MID EVENING...INCLUDING A FEW SUPERCELLS. 
ISOLATED VERY LARGE AND DAMAGING HAIL IS POSSIBLE AMIDST BROADER
THREAT OF SEVERE HAIL FROM SEVERAL STORMS.  RISKS FOR DAMAGING GUSTS
AND A COUPLE OF TORNADOES ALSO EXIST.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 60 MILES SOUTHWEST OF HILL
CITY KANSAS TO 30 MILES SOUTHEAST OF BEATRICE NEBRASKA.  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 251...

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 25020.


...EDWARDS

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 3:00 PM CDTMesoscale DiscussionSPCAnderson, Coffey, Douglas, Franklin, Jackson, Jefferson and 10 more90 min
Jun 3, 4:05 PM CDTMesoscale DiscussionSPCBarton, Edwards, Ellis, Ellsworth, Finney, Gove and 20 more115 min
Jun 2, 9:01 PM CDTMesoscale DiscussionSPCArthur, Blaine, Boyd, Brown, Cherry, Custer and 17 more89 min
Jun 2, 9:25 PM CDTSevere Thunderstorm WatchSPCBlaine, Boyd, Brown, Buffalo, Custer, Dawson and 14 more5 hr
Jun 2, 11:57 PM CDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Custer, Garfield, Greeley and 8 more2 hr
Jun 3, 1:03 AM CDTSevere Thunderstorm WatchSPCAdams, Buffalo, Clay, Dawson, Fillmore, Greeley and 11 more3 hr
Jun 3, 3:01 AM CDTMesoscale DiscussionSPCAdams, Antelope, Arthur, Blaine, Boone, Boyd and 66 more89 min
Jun 3, 1:34 PM CDTMesoscale DiscussionSPCBanner, Kimball, Scotts Bluff86 min
Jun 3, 3:03 PM CDTTornado WatchSPCBanner, Kimball, Scotts Bluff, Sioux7 hr

Nearby

Tornado Watches in Kansas, 2015Tornado Watches in Nebraska, 2015Every tornado watch 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.