Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 608

August 15, 200227 counties in Kansas; 5 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Aug 15, 2002, 3:35 PM CDT for 27 counties in Kansas; 5 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 15, 2002, 3:35 PM CDT (20:35 UTC)
Expired
Aug 15, 2002, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Seward County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Beaver County, OK, Grant County, OK, Harper County, OK, Woods County, OK

The radar

The Dodge City radar (KDDC), 78 km from the middle of the area, began a volume at 20:33 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

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

IssuedProductOfficeCountiesLasted
Aug 15, 6:57 PM CDTSevere Thunderstorm WarningDDCPawnee63 min
Aug 15, 7:44 PM CDTSevere Thunderstorm WarningDDCFord61 min
Aug 15, 8:15 PM CDTSevere Thunderstorm WarningDDCPawnee60 min
Aug 15, 8:31 PM CDTSevere Thunderstorm WarningDDCHodgeman59 min
Aug 15, 8:43 PM CDTSevere Thunderstorm WarningDDCFord47 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.6 hours before the alert went out and 74 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 2002-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1369 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 2002-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 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
1369 J/kg
Mixed-layer CIN
-340 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 152036
SEL8  
SPC WW 152035
KSZ000-OKZ000-160300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 608
STORM PREDICTION CENTER NORMAN OK
335 PM CDT THU AUG 15 2002

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   SOUTHERN KANSAS                             
   NOWTHWESTERN OKLAHOMA                           

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 335 PM UNTIL
1000 PM CDT.

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

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 115 STATUTE MILES
EAST AND WEST OF A LINE FROM 70 MILES SOUTHWEST OF MEDICINE LODGE
KANSAS TO 30 MILES NORTH OF HUTCHINSON KANSAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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.  SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.


DISCUSSION...FRONTAL ZONE EXTENDS FROM NERN KS SWWD INTO OK
PANHANDLE.  AIRMASS ALONG AND S OF FRONT HAS BECOME EXTREMELY
UNSTABLE WITH MLCAPES TO 4000 J/KG.  EXPECT RAPID DEVELOPMENT OF
SEVERE THUNDERSTORMS VICINITY FRONTAL BOUNDARY NEXT COUPLE OF
HOURS.  RELATIVELY WEAK DEEP LAYER SHEAR SUGGESTS STORMS TYPE WILL
BE MULTI-CELLULAR...HOWEVER A FEW SUPERCELLS ARE LIKELY ENHANCING
LARGE HAIL AND DAMAGING WIND THREAT.


AVIATION...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 27020.


...HALES

382,0954 363,0972 363,1013 382,1000

Nearby

Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Oklahoma, 2002Every severe thunderstorm 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.