Tornado Watch 140

Issued

Apr 14, 2001, 2:45 PM CDT (19:45 UTC)

Expired

Apr 14, 2001, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 141929
SEL0  

SEL0  
MKC WW 141919
KSZ000-OKZ000-TXZ000-150200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 140
STORM PREDICTION CENTER NORMAN OK
219 PM CDT SAT APR 14 2001

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

SOUTHWEST KANSAS                             
WESTERN OKLAHOMA                           
EXTREME NORTHWEST TEXAS                              

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES SOUTHWEST OF WICHITA FALLS TEXAS TO 30
MILES NORTHWEST OF MEDICINE LODGE 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.


DISCUSSION...THUNDERSTORM DEVELOPMENT IS LIKELY IN THE NEXT COUPLE
OF HOURS ALONG THE DRYLINE AS A MID LEVEL TROUGH MOVES EWD OVER THE
TX PANHANDLE AND WRN KS.  AN AXIS OF 2500-3500 J/KG SBCAPE EXTENDS
NWD FROM NW TX TO EXTREME SW KS...AND VISIBLE IMAGERY SHOWS SEVERAL
CLUSTERS OF TCU FROM ROUGHLY P28 TO CDS.  SUPERCELLS APPEAR LIKELY
GIVEN THE 0-6 KM SHEAR OF 60-65 KT AND STRONG INSTABILITY.  THE
STRONGEST STORMS COULD PRODUCE VERY LARGE HAIL AND DAMAGING
GUSTS... AS WELL AS A FEW TORNADOES WHERE LOW-LEVEL WINDS ARE
LOCALLY BACKED/STRONGER.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 27025.


...THOMPSON

;373,0975 333,0980 333,1000 373,0995;

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