Tornado Watch 154

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 154
NWS STORM PREDICTION CENTER NORMAN OK
350 PM CDT THU APR 3 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN ARKANSAS
EASTERN OKLAHOMA
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1000 PM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF MCALESTER
OKLAHOMA TO 40 MILES SOUTHEAST OF FLIPPIN ARKANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 153
...
DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING ALONG AN AXIS
FROM WESTERN NORTH TX INTO EASTERN OK. THIS ACTIVITY IS LIKELY TO
INCREASE IN COVERAGE AND INTENSITY THROUGH THE EVENING HOURS AS LOW
LEVEL WARM ADVECTION AND DESTABILIZATION OCCUR. LARGE HAIL WILL BE
THE MAIN THREAT EARLY...WITH AN INCREASING THREAT OF ISOLATED
TORNADOES THIS EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 25030.
...HART