Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 447

June 13, 200010 counties in Kansas; 14 counties in Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2000, 9:00 PM CDT for 10 counties in Kansas; 14 counties in Oklahoma; 6 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2000, 9:00 PM CDT (02:00 UTC)
Expired: Jun 14, 2000, 3:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 30 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Harper County, KS, Kingman County, KS, Kiowa County, KS, Pratt County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Major County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Carson County, TX, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Roberts County, TX, Wheeler County, TX

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 13, 9:00 PM CDT	Severe Thunderstorm Warning	DDC	Kiowa	45 min
Jun 13, 9:23 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	37 min
Jun 13, 9:30 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	60 min
Jun 13, 9:32 PM CDT	Severe Thunderstorm Warning	DDC	Pratt	43 min
Jun 13, 9:37 PM CDT	Severe Thunderstorm Warning	OUN	Harper	33 min
Jun 13, 9:44 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	31 min
Jun 13, 9:49 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	56 min
Jun 13, 10:29 PM CDT	Severe Thunderstorm Warning	OUN	Harper	46 min
Jun 13, 10:33 PM CDT	Severe Thunderstorm Warning	DDC	Pratt	42 min
Jun 13, 11:08 PM CDT	Flash Flood Warning	OUN	Harper	3 hr
Jun 13, 11:15 PM CDT	Severe Thunderstorm Warning	DDC	Barber	30 min
Jun 13, 11:18 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woodward	42 min
Jun 13, 11:58 PM CDT	Tornado Warning	OUN	Woods, Woodward	32 min
Jun 14, 12:01 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	44 min
Jun 14, 12:14 AM CDT	Severe Thunderstorm Warning	OUN	Woodward	46 min
Jun 14, 12:30 AM CDT	Severe Thunderstorm Warning	ICT	Cowley	60 min

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.0 hours before the alert went out and 169 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 513 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 2433 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 368 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

579 
WWUS9 KMKC 140128
SEL7  

SEL7  
MKC WW 140128
KSZ000-OKZ000-TXZ000-140800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 447
STORM PREDICTION CENTER NORMAN OK
828 PM CDT TUE JUN 13 2000

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

   SOUTHERN KANSAS                             
   NORTHERN AND WESTERN OKLAHOMA                           
   THE TEXAS PANHANDLE                             

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 900 PM
UNTIL 300 AM CDT.

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

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 95 STATUTE MILES
EAST AND WEST OF A LINE FROM 40 MILES WEST OF CLINTON OKLAHOMA TO
20 MILES WEST NORTHWEST OF WICHITA 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.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 443.  WATCH NUMBER 443 WILL NOT BE IN EFFECT
AFTER 900 PM CDT.  CONTINUE...WW 444...WW 445...WW 446...

DISCUSSION...THUNDERSTORMS EXPECTED TO INCREASE IN COVERAGE/
INTENSITY ALONG COLD FRONT MOVING SSE ACROSS SRN KS ATTM.  STRONG
/40 KT/ AND BROAD SLY LOW LEVEL JET...COUPLED WITH STEEP MID LEVEL
LAPSE RATES AND INCREASING UPPER LEVEL DIVERGENCE ASSOCIATED WITH
SHORTWAVE TROUGH ROTATING E ACROSS REGION SUGGESTS LIKELIHOOD OF
MCS DEVELOPMENT.  EXPECT EMBEDDED LEWPS/BOWS WITH HIGH WINDS AND
HAIL. 

AVIATION...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 500.  MEAN STORM
MOTION VECTOR 27025.

...CORFIDI

374,0960 351,0981 351,1013 374,0993

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 7:45 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more	5 hr
Jun 14, 1:45 AM CDT	Severe Thunderstorm Watch	SPC	Cherokee, Crawford, Labette, Montgomery	5 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2000 Severe Thunderstorm Watches in Kansas, 2000 Severe Thunderstorm Watches in Texas, 2000 Every severe thunderstorm watch in 2000

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.