Tornado Watch 358

Issued

Jun 3, 2001, 4:30 PM CDT (21:30 UTC)

Expired

Jun 3, 2001, 10:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 032056
SEL8  

SEL8  
MKC WW 032048
KSZ000-OKZ000-040300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 358
STORM PREDICTION CENTER NORMAN OK
348 PM CDT SUN JUN 3 2001

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

SOUTHERN KANSAS                             
NORTHERN OKLAHOMA                           

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 1000
PM CDT.

TORNADOES...HAIL TO 4 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EITHER SIDE OF
A LINE FROM 50 MILES NORTH OF GAGE OKLAHOMA TO 20 MILES NORTHEAST
OF BARTLESVILLE OKLAHOMA.

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 357...

DISCUSSION...WELL-DEFINED BOUNDARY IS DRIFTING NWD ACROSS EXTREME
NRN OK TOWARD THE OK/KS BORDER.  HEATING/MOISTENING IN THE BOUNDARY
LAYER HAS WEAKENED THE CAP FROM BELOW ACROSS NRN OK...AND STORM
INITIATION MAY OCCUR IN THE NEXT 1-2 HOURS.  50 MB MEAN PARCEL CAPE
VALUES ARE AS LARGE AS 5000 J/KG ALONG AND S OF THE BOUNDARY IN NRN
OK...AND VERTICAL SHEAR IS FAVORABLE FOR SUPERCELLS ALONG THE
BOUNDARY.  LOW-LEVEL SHEAR IS MAXIMIZED ON THE IMMEDIATE COOL SIDE
OF THE BOUNDARY...WHERE THE TORNADO THREAT SHOULD BE GREATER.  IN
ADDITION...THE STORMS WILL BE CAPABLE OF PRODUCING VERY LARGE HAIL
AND DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. 
MEAN STORM MOTION VECTOR 27015.


...THOMPSON

;374,0994 374,0954 361,0954 361,0994;

Tornado Watches in Kansas, 2001Tornado Watches in Oklahoma, 2001Every tornado watch in 2001

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.