Alert archive / Kansas / Tornado Watches in 1997

Tornado Watch 321

May 25, 199737 counties in Kansas

The Storm Prediction Center issued this tornado watch at May 25, 1997, 8:30 PM CDT for 37 counties in Kansas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 25, 1997, 8:30 PM CDT (01:30 UTC)
Expired
May 26, 1997, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 37 counties

Allen County, KS, Anderson County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Cowley County, KS, Dickinson County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Labette County, KS, Leavenworth County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS

The radar

The Topeka radar (KTWX), 55 km from the middle of the area, began a volume at 01:33 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

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

IssuedProductOfficeCountiesLasted
May 25, 8:34 PM CDTTornado WarningICTButler61 min
May 25, 8:39 PM CDTTornado WarningICTSumner61 min
May 25, 8:42 PM CDTTornado WarningICTHarvey33 min
May 25, 8:54 PM CDTTornado WarningTOPShawnee31 min
May 25, 9:04 PM CDTSevere Thunderstorm WarningTOPLyon46 min
May 25, 9:07 PM CDTTornado WarningTOPWabaunsee33 min
May 25, 9:11 PM CDTTornado WarningICTCowley59 min
May 25, 9:20 PM CDTTornado WarningTOPShawnee30 min
May 25, 9:30 PM CDTTornado WarningICTButler60 min
May 25, 9:36 PM CDTTornado WarningICTSumner44 min
May 25, 9:40 PM CDTTornado WarningICTGreenwood65 min
May 25, 9:50 PM CDTSevere Thunderstorm WarningTOPShawnee35 min
May 25, 10:08 PM CDTTornado WarningICTChautauqua, Cowley62 min
May 25, 10:39 PM CDTTornado WarningICTGreenwood, Woodson61 min
May 25, 11:01 PM CDTSevere Thunderstorm WarningICTAllen64 min
May 25, 11:07 PM CDTSevere Thunderstorm WarningICTChautauqua, Montgomery63 min
May 25, 11:54 PM CDTSevere Thunderstorm WarningICTNeosho51 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.5 hours before the alert went out and 67 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 00:00Z on 1997-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 982 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, Topeka, KS at 00:00Z on 1997-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
982 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

948 
WWUS9 KMKC 260046
SEL1  
MKC WW 260046
KSZ000-260700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 321
STORM PREDICTION CENTER NORMAN OK
746 PM CDT SUN MAY 25 1997

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

   CENTRAL AND EASTERN KANSAS                             

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 830 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 2 1/2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES NORTH NORTHEAST OF MANHATTAN KANSAS TO 65
MILES SOUTHWEST OF CHANUTE 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 TORNADO WATCH
NUMBER 319.  WATCH NUMBER 319 WILL NOT BE IN EFFECT AFTER 830 PM
CDT.  CONTINUE...WW 318...WW 320...

DISCUSSION...SEVERE THUNDERSTORMS OVER CENTRAL KANSAS ARE EXPECTED
TO MOVE EASTWARD TONIGHT AS STRONG MID AND UPPER LEVEL JET MOVES
ACROSS OKLAHOMA.  THIS PLACES KANSAS IN LEFT EXIT REGION WHERE
UPPER DIVERGENCE WILL BE OPTIMIZED.  LOW LEVEL CONVERGENCE ALONG
DRY LINE AND EAST/WEST FRONT ACROSS EAST CENTRAL KANSAS WILL
PROVIDE BOUNDARIES FOR CONTINUED DEVELOPMENT OF STORMS.  WIND
PROFILES SHOW VEERING WITH HEIGHT SUGGESTING THREAT FOR ROTATING
STORMS.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 1/2 INCHES.  EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500.  MEAN STORM MOTION VECTOR 26030.


...WEISS

393,0945 370,0945 370,0974 393,0975

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 10:00 PM CDTTornado WatchSPCBourbon, Johnson, Linn, Miami, Wyandotte4 hr
May 26, 2:00 PM CDTSevere Thunderstorm WatchSPCClark, Comanche, Decatur, Edwards, Ellis, Finney and 29 more6 hr
May 26, 6:00 PM CDTTornado WatchSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 10 more6 hr

Nearby

Tornado Watches in Kansas, 1997Every tornado watch in 1997

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.