Alert archive / Kansas / Tornado Watches in 2001

Tornado Watch 350

June 1, 200117 counties in Kansas; 8 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Jun 1, 2001, 4:30 PM CDT for 17 counties in Kansas; 8 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 1, 2001, 4:30 PM CDT (21:30 UTC)
Expired: Jun 1, 2001, 10:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 25 counties

Allen County, KS, Anderson County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK, Noble County, OK, Osage County, OK, Pawnee County, OK

The radar

The Wichita radar (KICT), 72 km from the middle of the area, began a volume at 21:32 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

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

Issued	Product	Office	Counties	Lasted
Jun 1, 5:05 PM CDT	Tornado Warning	ICT	Butler	40 min
Jun 1, 5:16 PM CDT	Severe Thunderstorm Warning	TOP	Coffey	44 min
Jun 1, 6:58 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	47 min
Jun 1, 7:18 PM CDT	Tornado Warning	ICT	Sumner	27 min
Jun 1, 7:22 PM CDT	Severe Thunderstorm Warning	ICT	Elk	38 min
Jun 1, 7:43 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	47 min
Jun 1, 7:49 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	56 min
Jun 1, 8:00 PM CDT	Severe Thunderstorm Warning	ICT	Harper	60 min
Jun 1, 8:33 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	42 min
Jun 1, 8:56 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	64 min
Jun 1, 9:14 PM CDT	Severe Thunderstorm Warning	OUN	Grant	46 min

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 9.5 hours before the alert went out and 49 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1074 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 129 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.

000 
WWUS9 KMKC 012105
SEL0  

SEL0  
MKC WW 012102
KSZ000-OKZ000-020300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 350
STORM PREDICTION CENTER NORMAN OK
402 PM CDT FRI JUN 1 2001

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

   SOUTHEAST KANSAS                             
   NORTHERN OKLAHOMA                           

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 1000
PM 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 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 15 MILES SOUTH SOUTHEAST OF ENID OKLAHOMA TO 50
MILES NORTH NORTHWEST OF CHANUTE 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 343...WW 344...WW
345...WW 346...WW 347...WW 348...WW 349...

DISCUSSION...SUPERCELLS DEVELOPING SCENTRAL KS WILL CONTINUE AND
TRACK SEWD AHEAD OF COLD FRONT IN VERY FAVORABLE SHEAR ENVIRONMENT.
AS INSTABILITY CONTINUES TO INCREASE TORNADOES ARE LIKELY.


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 29035.


...HALES

;381,0943 360,0963 360,0990 381,0970;

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 1, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Clay, Cloud, Doniphan, Ellis, Jewell and 10 more	5 hr
Jun 1, 3:00 PM CDT	Tornado Watch	SPC	Barber, Barton, Clark, Comanche, Dickinson, Edwards and 28 more	6 hr
Jun 1, 3:30 PM CDT	Tornado Watch	SPC	Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 10 more	6 hr
Jun 1, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	Miami	6 hr

Nearby

Tornado Watches in Kansas, 2001 Tornado Watches in Oklahoma, 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.