Alert archive / Kansas / Tornado Watches in 1998

Tornado Watch 167

April 6, 199830 counties in Kansas

The Storm Prediction Center issued this tornado watch at Apr 6, 1998, 4:00 PM CDT for 30 counties in Kansas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 6, 1998, 4:00 PM CDT (21:00 UTC)
Expired
Apr 6, 1998, 9:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 30 counties

Barber County, KS, Barton County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Hodgeman County, KS, Jewell County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, McPherson County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Stafford County, KS, Washington County, KS

The radar

The Dodge City radar (KDDC), 101 km from the middle of the area, began a volume at 21:00 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

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

IssuedProductOfficeCountiesLasted
Apr 6, 4:41 PM CDTSevere Thunderstorm WarningDDCFord64 min
Apr 6, 4:52 PM CDTSevere Thunderstorm WarningDDCHodgeman48 min
Apr 6, 5:19 PM CDTSevere Thunderstorm WarningDDCEllis46 min
Apr 6, 6:35 PM CDTSevere Thunderstorm WarningDDCEllis30 min
Apr 6, 6:48 PM CDTSevere Thunderstorm WarningTOPMarshall, Riley, Washington27 min
Apr 6, 6:58 PM CDTSevere Thunderstorm WarningDDCBarber47 min
Apr 6, 7:13 PM CDTSevere Thunderstorm WarningICTRussell62 min
Apr 6, 7:23 PM CDTSevere Thunderstorm WarningGIDJewell52 min
Apr 6, 7:32 PM CDTSevere Thunderstorm WarningTOPWashington28 min
Apr 6, 7:34 PM CDTSevere Thunderstorm WarningGIDOsborne, Rooks56 min
Apr 6, 7:59 PM CDTSevere Thunderstorm WarningTOPWashington31 min
Apr 6, 8:18 PM CDTSevere Thunderstorm WarningGIDJewell27 min
Apr 6, 8:29 PM CDTSevere Thunderstorm WarningTOPWashington31 min
Apr 6, 8:59 PM CDTSevere Thunderstorm WarningTOPWashington16 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.0 hours before the alert went out and 96 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 1998-04-06Temperature 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, Dodge City, at 12:00Z on 1998-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117136Sfc1 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
2073 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
152 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.

088 
WWUS9 KMKC 062024
SEL7  
MKC WW 062024
KSZ000-070200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 167
STORM PREDICTION CENTER NORMAN OK
324 PM CDT MON APR 6 1998

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

   CENTRAL AND WESTERN KANSAS                             

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES WEST SOUTHWEST OF MEDICINE LODGE KANSAS TO
30 MILES NORTH NORTHWEST OF CONCORDIA 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 166...

DISCUSSION... FRONTAL BOUNDARY FROM DDC NEWD TO N OF CNK WILL BE
FOCUS OF SEVERE THUNDERSTORM DEVELOPMENT AS DEEPENING SURFACE LOW
NRN TX PANHANDLE MOVES INTO NWRN OK.  AIRMASS HAS BEOCME MODERATELY
UNSTABLE ACROSS KS TO E OF FRONT AND WILL SUPPORT RAPID
THUNDERSTORM DEVELOPMENT.  WIND PROFILES FAVORABLE...PARTICULARLY
S KS FOR ISOLATED SUPERCELLS AND TORNADOES...ALTHOUGH PRIMARY
THREAT WILL BE LARGE HAIL.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 22030.


...HALES

370,1002 395,0985 395,0964 370,0981

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.