[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 012038
SEL3
SPC WW 012038
ARZ000-MOZ000-TNZ000-020300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 223
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT FRI MAY 1 2009

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

       NORTHERN ARKANSAS
       SOUTHERN PARTS OF MISSOURI BOOTHEEL
       WESTERN TENNESSEE

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
1000 PM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHWEST
OF FAYETTEVILLE ARKANSAS TO 40 MILES EAST NORTHEAST OF JACKSON
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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...CONTINUE...WW 221...WW 222...

DISCUSSION...EAST-WEST AXIS OF INCREASING INSTABILITY AND LIFT
ASSOCIATED WITH SLOWLY SWD ADVANCING FRONT AND WWD MOVING MCV SHOULD
CONTRIBUTE TO SOME INCREASE IN TSTMS FROM NRN AR EWD ACROSS THE MS
RIVER THROUGH THE EVENING. WHILE DEEP-LAYER SHEAR ACROSS THE REGION
IS CURRENTLY MARGINAL FOR GREATER STORM ORGANIZATION...THERE APPEARS
TO BE A BELT OF FASTER MID LEVEL FLOW MOVING EWD ASSOCIATED WITH THE
MCV NOW OVER THE OZARKS. THIS...ALONG WITH MAXIMUM IN DIURNAL
DESTABILIZATION...SHOULD PROMOTE STORM ORGANIZATION AND
INTENSIFICATION INTO THE EVENING. ANOTHER MCS MAY BE THE RESULT WITH
WIND/HAIL THREAT PERSISTING ACROSS MS RIVER INTO LATE TONIGHT.

AVIATION...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 27025.


...CARBIN
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