Alert archive / Kansas / Tornado Watches in 2002

Tornado Watch 410

June 11, 200239 counties in Kansas

The Storm Prediction Center issued this tornado watch at Jun 11, 2002, 3:45 PM CDT for 39 counties in Kansas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 2002, 3:45 PM CDT (20:45 UTC)
Expired
Jun 11, 2002, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 39 counties

Anderson County, KS, Atchison County, KS, Barton County, KS, Brown County, KS, Chase County, KS, Clark County, KS, Clay County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Franklin County, KS, Geary County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Kiowa County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Osage County, KS, Ottawa County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Stafford County, KS, Trego County, KS, Wabaunsee County, KS

The radar

The Wichita radar (KICT), 120 km from the middle of the area, began a volume at 20:48 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:47 PM CDTSevere Thunderstorm WarningICTRussell43 min
Jun 11, 4:01 PM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln59 min
Jun 11, 4:26 PM CDTTornado WarningICTLincoln49 min
Jun 11, 4:33 PM CDTSevere Thunderstorm WarningICTRussell57 min
Jun 11, 4:57 PM CDTSevere Thunderstorm WarningICTEllsworth63 min
Jun 11, 5:13 PM CDTSevere Thunderstorm WarningICTLincoln62 min
Jun 11, 5:20 PM CDTFlash Flood WarningICTEllsworth, Lincoln6 hr
Jun 11, 5:34 PM CDTTornado WarningICTEllsworth41 min
Jun 11, 5:42 PM CDTSevere Thunderstorm WarningICTSaline63 min
Jun 11, 5:53 PM CDTSevere Thunderstorm WarningEAXAtchison37 min
Jun 11, 6:15 PM CDTSevere Thunderstorm WarningICTEllsworth60 min
Jun 11, 6:17 PM CDTSevere Thunderstorm WarningICTMcPherson58 min
Jun 11, 6:18 PM CDTSevere Thunderstorm WarningICTRice57 min
Jun 11, 6:30 PM CDTTornado WarningICTMcPherson60 min
Jun 11, 6:44 PM CDTSevere Thunderstorm WarningICTSaline46 min
Jun 11, 6:49 PM CDTSevere Thunderstorm WarningICTMarion56 min
Jun 11, 7:00 PM CDTSevere Thunderstorm WarningEAXAtchison60 min
Jun 11, 7:13 PM CDTSevere Thunderstorm WarningICTEllsworth, Rice62 min
Jun 11, 7:25 PM CDTSevere Thunderstorm WarningICTMcPherson65 min
Jun 11, 7:40 PM CDTSevere Thunderstorm WarningICTMarion65 min
Jun 11, 7:56 PM CDTSevere Thunderstorm WarningDDCRush64 min
Jun 11, 7:56 PM CDTSevere Thunderstorm WarningICTChase64 min
Jun 11, 8:02 PM CDTSevere Thunderstorm WarningICTHarvey58 min
Jun 11, 8:08 PM CDTSevere Thunderstorm WarningICTRice67 min
Jun 11, 8:13 PM CDTFlash Flood WarningICTMcPherson6 hr
Jun 11, 8:25 PM CDTSevere Thunderstorm WarningDDCStafford50 min
Jun 11, 8:46 PM CDTSevere Thunderstorm WarningDDCPawnee44 min
Jun 11, 8:46 PM CDTSevere Thunderstorm WarningICTMarion44 min
Jun 11, 8:57 PM CDTSevere Thunderstorm WarningDDCEllis63 min
Jun 11, 9:00 PM CDTSevere Thunderstorm WarningICTChase60 min
Jun 11, 9:15 PM CDTSevere Thunderstorm WarningDDCStafford45 min
Jun 11, 9:16 PM CDTSevere Thunderstorm WarningICTReno, Rice59 min
Jun 11, 9:32 PM CDTSevere Thunderstorm WarningDDCPawnee43 min
Jun 11, 9:44 PM CDTSevere Thunderstorm WarningDDCStafford16 min
Jun 11, 9:58 PM CDTSevere Thunderstorm WarningDDCStafford62 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.8 hours before the alert went out and 190 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 2002-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2237 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, Dodge City, at 12:00Z on 2002-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 square meters per square second.19395878Sfc1 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
2237 J/kg
Mixed-layer CIN
-217 J/kg
Mixed-layer LCL
1203 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 112021
SEL0  
SPC WW 112016
KSZ000-120300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 410
STORM PREDICTION CENTER NORMAN OK
316 PM CDT TUE JUN 11 2002

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   KANSAS                             

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 345 PM UNTIL 1000
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 80 MILES SOUTHWEST OF RUSSELL KANSAS TO 20
MILES EAST OF TOPEKA KANSAS.

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.


DISCUSSION...WITH A VERY UNSTABLE AIR MASS IN PLACE TO S OF
BOUNDARIES ACROSS NRN KS...AND CAP VERY WEAK...EXPECT RAPID
DEVELOPMENT OF SEVERE THUNDERSTORMS CENTRAL KS.  WITH VEERING SHEAR
PROFILES AND MDT DEEP LAYER SHEAR...SUPERCELLS ARE EXPECTED.  ALONG
WITH VERY LARGE HAIL AND DAMAGING WINDS...ISOLATED TORNADOES ARE
POSSIBLE AS THE STORMS PROPAGATE E AND SE ACROSS CENTRAL AND ERN KS
THRU THE EVENING.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. 
MEAN STORM MOTION VECTOR 26030.


...HALES

385,0995 395,0951 381,0951 371,0995

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 5:15 PM CDTTornado WatchSPCDoniphan, Johnson, Leavenworth, Miami, Wyandotte6 hr
Jun 11, 5:45 PM CDTTornado WatchSPCCloud, Marshall, Nemaha, Republic, Washington5 hr

Nearby

Tornado Watches in Kansas, 2002Every tornado watch in 2002

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.