Alert archive / Kansas / Tornado Watches in 2002

Tornado Watch 341

May 26, 200229 counties in Kansas; 17 counties in Nebraska

The Storm Prediction Center issued this tornado watch at May 26, 2002, 8:00 PM CDT for 29 counties in Kansas; 17 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 26, 2002, 8:00 PM CDT (01:00 UTC)
Expired
May 27, 2002, 1:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 46 counties

Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Smith County, KS, Stafford County, KS, Wabaunsee County, KS, Washington County, KS, Adams County, NE, Butler County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Kearney County, NE, Nuckolls County, NE, Saline County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 73 km from the middle of the area, began a volume at 01:01 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

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

IssuedProductOfficeCountiesLasted
May 26, 8:00 PM CDTTornado WarningICTBarton, Russell45 min
May 26, 8:05 PM CDTTornado WarningOAXButler, Seward55 min
May 26, 8:16 PM CDTTornado WarningGIDKearney44 min
May 26, 8:20 PM CDTSevere Thunderstorm WarningOAXSaline40 min
May 26, 8:42 PM CDTTornado WarningGIDSmith63 min
May 26, 8:47 PM CDTSevere Thunderstorm WarningGIDJewell58 min
May 26, 8:47 PM CDTTornado WarningGIDHarlan43 min
May 26, 8:52 PM CDTSevere Thunderstorm WarningICTBarton38 min
May 26, 8:53 PM CDTSevere Thunderstorm WarningGIDNuckolls67 min
May 26, 8:55 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson65 min
May 26, 8:59 PM CDTSevere Thunderstorm WarningOAXSaline31 min
May 26, 9:01 PM CDTSevere Thunderstorm WarningGIDFranklin44 min
May 26, 9:02 PM CDTSevere Thunderstorm WarningICTRussell43 min
May 26, 9:08 PM CDTTornado WarningGIDJewell67 min
May 26, 9:10 PM CDTSevere Thunderstorm WarningDDCEllis35 min
May 26, 9:12 PM CDTSevere Thunderstorm WarningGIDFranklin33 min
May 26, 9:25 PM CDTSevere Thunderstorm WarningGIDPhillips65 min
May 26, 9:31 PM CDTSevere Thunderstorm WarningICTBarton, Russell44 min
May 26, 9:40 PM CDTTornado WarningICTRussell50 min
May 26, 9:45 PM CDTSevere Thunderstorm WarningGIDSmith45 min
May 26, 9:48 PM CDTSevere Thunderstorm WarningGIDMitchell57 min
May 26, 9:54 PM CDTSevere Thunderstorm WarningGIDOsborne66 min
May 26, 10:29 PM CDTSevere Thunderstorm WarningGIDJewell46 min
May 26, 10:29 PM CDTSevere Thunderstorm WarningICTRussell46 min
May 26, 10:38 PM CDTSevere Thunderstorm WarningGIDRooks67 min
May 26, 10:43 PM CDTSevere Thunderstorm WarningGIDMitchell62 min
May 26, 10:48 PM CDTSevere Thunderstorm WarningICTLincoln57 min
May 26, 10:56 PM CDTSevere Thunderstorm WarningGIDOsborne64 min
May 26, 11:15 PM CDTSevere Thunderstorm WarningGIDSmith60 min
May 26, 11:21 PM CDTFlash Flood WarningTOPRepublic, Washington84 min
May 26, 11:54 PM CDTSevere Thunderstorm WarningICTSaline66 min

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 197 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, Omaha, NE at 00:00Z on 2002-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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, Omaha, NE at 00:00Z on 2002-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
23 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
2328 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
161 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.

000 
WWUS20 KWNS 270051
SEL1  
SPC WW 270048
KSZ000-NEZ000-270600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 341
STORM PREDICTION CENTER NORMAN OK
748 PM CDT SUN MAY 26 2002

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

   CENTRAL AND NORTHEAST KANSAS                             
   SOUTHERN NEBRASKA                           

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 800 PM UNTIL
100 AM 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 90 STATUTE MILES EITHER SIDE OF
A LINE FROM 15 MILES WEST NORTHWEST OF HASTINGS NEBRASKA TO 35
MILES SOUTHEAST OF SALINA 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.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 339.  WATCH NUMBER 339 WILL NOT BE IN
EFFECT AFTER 800 PM CDT.  CONTINUE...WW 335...WW 336...WW 337...WW
338...WW 340...

DISCUSSION...SEVERE MCS IN THE FORM OF A BOW ECHO WILL CONTINUE
MOVING SSEWD INTO NORTHERN KS OVER THE NEXT SEVERAL HOURS.  IN
ADDITION TO THE ENHANCED DAMAGING WINDS WITH THIS SYSTEM...SHEAR
PROFILES WILL REMAIN SUFFICIENT FOR A FEW TORNADOES AHEAD OF THE
BOW ECHO.  ISOLATED VERY LARGE HAIL IS ALSO EXPECTED.


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 500. 
MEAN STORM MOTION VECTOR 30040.


...EVANS

412,0971 390,0954 374,0983 395,1000

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 2:45 PM CDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 13 more6 hr

Nearby

Tornado Watches in Kansas, 2002Tornado Watches in Nebraska, 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.