000 
WWUS20 KWNS 101649
SEL8  
SPC WW 101655
ARZ000-KSZ000-MOZ000-OKZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 338 
NWS STORM PREDICTION CENTER NORMAN OK 
1155 AM CDT SAT MAY 10 2003

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

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       SOUTHWEST AND CENTRAL MISSOURI
       CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL 700
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE 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 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTH NORTHWEST OF SPRINGFIELD MISSOURI TO
DURANT 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 335...WW 336...WW 337...


DISCUSSION...TCU AND ISOLATED THUNDERSTORMS ARE RAPIDLY DEVELOPING
ALONG SURFACE DRYLINE OVER CENTRAL OK.	THIS TREND IS EXPECTED TO
CONTINUE THROUGH THE AFTERNOON...WITH THE LIKELIHOOD OF SUPERCELLS. 
SUFFICIENT VERTICAL SHEAR AND INSTABILITY INDICATE THE THREAT OF
STRONG TORNADOES...AS WELL AS DAMAGING WINDS AND VERY LARGE HAIL.


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 500.
MEAN STORM MOTION VECTOR 25035.


...HART

380,0921 335,0945 335,0975 380,0952 

WWUS20 KWNS 101649
SEL8  
SPC WW 101655
ARZ000-KSZ000-MOZ000-OKZ000-110000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 338 
NWS STORM PREDICTION CENTER NORMAN OK 
1155 AM CDT SAT MAY 10 2003

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

       NORTHWEST ARKANSAS
       SOUTHEAST KANSAS
       SOUTHWEST AND CENTRAL MISSOURI
       CENTRAL AND EASTERN OKLAHOMA

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL 700
PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE 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 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTH NORTHWEST OF SPRINGFIELD MISSOURI TO
DURANT 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 335...WW 336...WW 337...


DISCUSSION...TCU AND ISOLATED THUNDERSTORMS ARE RAPIDLY DEVELOPING
ALONG SURFACE DRYLINE OVER CENTRAL OK.	THIS TREND IS EXPECTED TO
CONTINUE THROUGH THE AFTERNOON...WITH THE LIKELIHOOD OF SUPERCELLS. 
SUFFICIENT VERTICAL SHEAR AND INSTABILITY INDICATE THE THREAT OF
STRONG TORNADOES...AS WELL AS DAMAGING WINDS AND VERY LARGE HAIL.


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 500.
MEAN STORM MOTION VECTOR 25035.


...HART

380,0921 335,0945 335,0975 380,0952