000 
WWUS20 KWNS 140901
SEL7  
SPC WW 140905
OKZ000-TXZ000-141400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 367 
NWS STORM PREDICTION CENTER NORMAN OK 
405 AM CDT WED MAY 14 2003

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

       WESTERN AND CENTRAL OKLAHOMA
       NORTH CENTRAL TEXAS

EFFECTIVE THIS WEDNESDAY MORNING FROM 405 AM UNTIL 900 AM CDT.

HAIL TO 3 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 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF GAGE
OKLAHOMA TO 60 MILES SOUTH OF DURANT OKLAHOMA.

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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 365. WATCH NUMBER 365 WILL NOT BE
IN EFFECT AFTER 405 AM CDT. 


DISCUSSION...SEVERE STORMS WILL CONTINUE TO DEVELOP AND MOVE SEWD
ALONG A NW-SE BOUNDARY FROM NW INTO S CENTRAL OK/N TX.	LOW-LEVEL
WAA ON A SWLY LOW-LEVEL JET IS SUPPORTING THE STORMS...AND IS BEING
ENHANCED BY ASCENT OVER THE COLD POOL GENERATED BY THE CONVECTION. 
IN ADDITION...MORE STORMS SHOULD DEVELOP ACROSS NW OK AND SPREAD
SEWD IN ADVANCE OF A MID LEVEL TROUGH MOVING OVER KS.  CAPE VALUES
AROUND 2000 J/KG BASED JUST ABOVE THE SURFACE WILL CONTINUE TO
SUPPORT INTENSE UPDRAFTS.  MEANWHILE...LOW-LEVEL AND DEEP LAYER
SHEAR IS FAVORABLE FOR SUPERCELLS WITHIN THIS BAND... WHICH WILL
ENHANCE THE THREAT FOR ISOLATED VERY LARGE HAIL AND DAMAGING WINDS.

AVIATION...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 32030.


...THOMPSON

370,0981 330,0952 330,0972 370,1002 

WWUS20 KWNS 140901
SEL7  
SPC WW 140905
OKZ000-TXZ000-141400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 367 
NWS STORM PREDICTION CENTER NORMAN OK 
405 AM CDT WED MAY 14 2003

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

       WESTERN AND CENTRAL OKLAHOMA
       NORTH CENTRAL TEXAS

EFFECTIVE THIS WEDNESDAY MORNING FROM 405 AM UNTIL 900 AM CDT.

HAIL TO 3 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 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF GAGE
OKLAHOMA TO 60 MILES SOUTH OF DURANT OKLAHOMA.

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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 365. WATCH NUMBER 365 WILL NOT BE
IN EFFECT AFTER 405 AM CDT. 


DISCUSSION...SEVERE STORMS WILL CONTINUE TO DEVELOP AND MOVE SEWD
ALONG A NW-SE BOUNDARY FROM NW INTO S CENTRAL OK/N TX.	LOW-LEVEL
WAA ON A SWLY LOW-LEVEL JET IS SUPPORTING THE STORMS...AND IS BEING
ENHANCED BY ASCENT OVER THE COLD POOL GENERATED BY THE CONVECTION. 
IN ADDITION...MORE STORMS SHOULD DEVELOP ACROSS NW OK AND SPREAD
SEWD IN ADVANCE OF A MID LEVEL TROUGH MOVING OVER KS.  CAPE VALUES
AROUND 2000 J/KG BASED JUST ABOVE THE SURFACE WILL CONTINUE TO
SUPPORT INTENSE UPDRAFTS.  MEANWHILE...LOW-LEVEL AND DEEP LAYER
SHEAR IS FAVORABLE FOR SUPERCELLS WITHIN THIS BAND... WHICH WILL
ENHANCE THE THREAT FOR ISOLATED VERY LARGE HAIL AND DAMAGING WINDS.

AVIATION...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 32030.


...THOMPSON

370,0981 330,0952 330,0972 370,1002