Alert archive / Kansas / Tornado Watches in 2001

Tornado Watch 762

October 9, 200129 counties in Kansas

The Storm Prediction Center issued this tornado watch at Oct 9, 2001, 3:30 PM CDT for 29 counties in Kansas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Oct 9, 2001, 3:30 PM CDT (20:30 UTC)
Expired: Oct 9, 2001, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 29 counties

Barber County, KS, Barton County, KS, Clark County, KS, Cloud County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Harper 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, Phillips County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Stafford County, KS

The radar

The Dodge City radar (KDDC), 107 km from the middle of the area, began a volume at 20:34 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

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

Issued	Product	Office	Counties	Lasted
Oct 9, 4:03 PM CDT	Severe Thunderstorm Warning	DDC	Ellis	42 min
Oct 9, 4:24 PM CDT	Severe Thunderstorm Warning	GID	Jewell	51 min
Oct 9, 4:34 PM CDT	Severe Thunderstorm Warning	GID	Osborne	56 min
Oct 9, 4:36 PM CDT	Severe Thunderstorm Warning	DDC	Pawnee, Rush	54 min
Oct 9, 4:38 PM CDT	Severe Thunderstorm Warning	ICT	Russell	37 min
Oct 9, 4:43 PM CDT	Severe Thunderstorm Warning	DDC	Kiowa	47 min
Oct 9, 4:57 PM CDT	Severe Thunderstorm Warning	DDC	Edwards	63 min
Oct 9, 5:13 PM CDT	Severe Thunderstorm Warning	GID	Jewell	62 min
Oct 9, 5:20 PM CDT	Severe Thunderstorm Warning	ICT	Barton	55 min
Oct 9, 5:26 PM CDT	Severe Thunderstorm Warning	GID	Osborne	64 min
Oct 9, 5:27 PM CDT	Severe Thunderstorm Warning	DDC	Pawnee	48 min
Oct 9, 8:25 PM CDT	Severe Thunderstorm Warning	GID	Rooks	50 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.5 hours before the alert went out and 101 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: 400 J/kg
Mixed-layer CIN: -295 J/kg
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

602 
WWUS9 KMKC 092011
SEL2  

SEL2  
MKC WW 092005
KSZ000-100200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 762
STORM PREDICTION CENTER NORMAN OK
305 PM CDT TUE OCT 9 2001

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

CENTRAL KANSAS                             

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 330 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 30 MILES SOUTHWEST OF MEDICINE LODGE KANSAS TO 40
MILES 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 761...

DISCUSSION...LOW-LEVEL MOISTURE CONTINUES TO SPREAD NWD ACROSS
CENTRAL KS...TO THE E OF A SHARPENING DRYLINE.  DAYTIME HEATING AND
DEW POINTS IN THE 60S ARE RESULTING IN SBCAPE VALUES OF 2000-3000
J/KG...AND CU ARE BEGINNING TO DEVELOP NEAR THE DRYLINE.  EXPECT
STORMS TO DEVELOP IN THE NEXT 1-2 HOURS...WITH SUPERCELLS POSSIBLE
AS MID LEVEL FLOW GRADUALLY INCREASES.  LARGE HAIL AND A FEW
DAMAGING GUSTS WILL BE POSSIBLE...AS WELL AS A COUPLE OF TORNADOES
IN THE MOIST ENVIRONMENT WITH STRONG LOW-LEVEL SHEAR.

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 500. 
MEAN STORM MOTION VECTOR 24020.


...THOMPSON

365,1000 395,0991 395,0970 365,0975

Nearby

Tornado Watches in Kansas, 2001 Every tornado watch in 2001

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.