Alert archive / Kansas / Tornado Watches in 1998

Tornado Watch 409

May 24, 199834 counties in Kansas

The Storm Prediction Center issued this tornado watch at May 24, 1998, 5:30 PM CDT for 34 counties in Kansas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 24, 1998, 5:30 PM CDT (22:30 UTC)
Expired
May 25, 1998, 12:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 34 counties

Allen County, KS, Anderson County, KS, Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Dickinson County, KS, Elk County, KS, Ellsworth County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS

The radar

The Wichita radar (KICT), 83 km from the middle of the area, began a volume at 22:33 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

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

IssuedProductOfficeCountiesLasted
May 24, 6:16 PM CDTSevere Thunderstorm WarningICTSedgwick64 min
May 24, 6:19 PM CDTSevere Thunderstorm WarningICTReno61 min
May 24, 6:24 PM CDTSevere Thunderstorm WarningICTKingman61 min
May 24, 6:28 PM CDTSevere Thunderstorm WarningICTBarton, Ellsworth62 min
May 24, 6:35 PM CDTSevere Thunderstorm WarningICTHarper65 min
May 24, 6:38 PM CDTSevere Thunderstorm WarningDDCPratt32 min
May 24, 6:48 PM CDTSevere Thunderstorm WarningDDCStafford47 min
May 24, 7:03 PM CDTTornado WarningICTSedgwick, Sumner57 min
May 24, 7:10 PM CDTTornado WarningICTHarper45 min
May 24, 7:17 PM CDTSevere Thunderstorm WarningICTMcPherson, Saline63 min
May 24, 7:19 PM CDTTornado WarningICTKingman61 min
May 24, 7:23 PM CDTSevere Thunderstorm WarningICTCowley62 min
May 24, 7:30 PM CDTTornado WarningICTCowley60 min
May 24, 7:34 PM CDTTornado WarningICTSumner66 min
May 24, 7:38 PM CDTSevere Thunderstorm WarningICTSedgwick62 min
May 24, 7:48 PM CDTSevere Thunderstorm WarningICTChautauqua, Montgomery62 min
May 24, 7:49 PM CDTSevere Thunderstorm WarningDDCPratt46 min
May 24, 8:02 PM CDTTornado WarningDDCBarber48 min
May 24, 8:23 PM CDTSevere Thunderstorm WarningICTHarper67 min
May 24, 8:28 PM CDTTornado WarningICTCowley62 min
May 24, 8:34 PM CDTSevere Thunderstorm WarningDDCPratt46 min
May 24, 8:37 PM CDTTornado WarningICTSumner63 min
May 24, 8:46 PM CDTSevere Thunderstorm WarningTOPAnderson44 min
May 24, 8:49 PM CDTTornado WarningICTHarper61 min
May 24, 8:51 PM CDTSevere Thunderstorm WarningICTMontgomery49 min
May 24, 8:55 PM CDTSevere Thunderstorm WarningTOPAnderson50 min
May 24, 8:58 PM CDTSevere Thunderstorm WarningDDCBarber47 min
May 24, 9:04 PM CDTTornado WarningICTMontgomery46 min
May 24, 9:28 PM CDTSevere Thunderstorm WarningICTCowley62 min
May 24, 9:44 PM CDTSevere Thunderstorm WarningDDCBarber61 min
May 24, 10:01 PM CDTSevere Thunderstorm WarningDDCBarber49 min

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.5 hours before the alert went out and 134 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 1998-05-24Temperature 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 1998-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -109 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1278 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-109 m²/s²
0-3 km storm-relative helicity
-115 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.

874 
WWUS9 KMKC 242212
SEL9  
MKC WW 242212
KSZ000-250500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 409
STORM PREDICTION CENTER NORMAN OK
512 PM CDT SUN MAY 24 1998

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

   CENTRAL AND EASTERN KANSAS                             

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 530 PM UNTIL
MIDNIGHT 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 105 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES EAST NORTHEAST OF SALINA KANSAS TO 50 MILES
SOUTH SOUTHEAST OF WICHITA 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...  CONTINUE...WW 406...WW 407...WW 408...

DISCUSSION...CENTRAL KS SUPERCELL...LIKELY SUPPORTED BY HIGH LEVEL
DIVERGENCE FIELD...SHOULD CONTINUE EWD AND EVENTUALLY BECOME
SLIGHTLY ELEVATED.  THREAT SHOULD...HOWEVER...CONTINUE FOR VERY
LARGE HAIL/HIGH WINDS AND POSSIBLY A TORNADO WITH STORM.  OTHER
STORMS EXPECTED TO DEVELOP ALONG SRN AND WRN FLANK OF SUPERCELL AS
SURGE OF RICH BOUNDARY LAYER MOISTURE CONTINUES NWD TO VICINITY OF
STORM FROM CENTRAL OK.  

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 550. 
MEAN STORM MOTION VECTOR 26030.

...CORFIDI

385,0950 365,0951 365,0985 385,0990

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 2:00 PM CDTTornado WatchSPCClark, Comanche, Edwards, Ellis, Finney, Ford and 23 more6 hr

Nearby

Tornado Watches in Kansas, 1998Every tornado watch in 1998

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.