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WWUS20 KWNS 052026
SEL6  
SPC WW 052025
ARZ000-LAZ000-MOZ000-OKZ000-TXZ000-060300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 256 
NWS STORM PREDICTION CENTER NORMAN OK 
325 PM CDT MON MAY 5 2003

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

       ARKANSAS
       EXTREME NORTHWEST LOUISIANA
       MISSOURI BOOTHEEL
       EXTREME SOUTHEAST OKLAHOMA
       FAR NORTHEAST TEXAS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 325 PM UNTIL 1000
PM CDT.

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

DESTRUCTIVE TORNADOES...LARGE 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 110 STATUTE MILES EAST AND
WEST OF A LINE FROM 40 MILES WEST NORTHWEST OF WALNUT RIDGE
ARKANSAS TO 45 MILES SOUTH SOUTHWEST OF EL DORADO ARKANSAS.

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 252...TORNADO WATCH NUMBER 254. WATCH NUMBER 252 254
WILL NOT BE IN EFFECT AFTER 325 PM CDT. CONTINUE...WW 253...WW
255...


DISCUSSION...EXPLOSIVE DEVELOPMENT OF SUPERCELLS IS EXPECTED INTO
CENTRAL AR OVER THE NEXT FEW HOURS.  VORT MAX/SHORTWAVE TROUGH NOW
LIFTING ACROSS NERN TX WILL CONTINUE NE THROUGH THE EVENING...AND
ENHANCE LARGE SCALE ASCENT ACROSS EXTREMELY UNSTABLE AND WEAKLY
CAPPED AIR MASS.  TORNADIC SUPERCELLS ARE LIKELY...GIVEN THE SHEAR
IN PLACE...WITH AN ATTENDANT THREAT OF STRONG/VIOLENT TORNADOES.

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 500.
MEAN STORM MOTION VECTOR 25045.


...EVANS

361,0893 323,0911 323,0950 361,0933