[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 090332
SEL7
SPC WW 090332
ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-091100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 277
NWS STORM PREDICTION CENTER NORMAN OK
1130 PM EDT FRI MAY 8 2009

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

       NORTHEAST ARKANSAS
       FAR SOUTHERN ILLINOIS
       CENTRAL AND SOUTHERN KENTUCKY
       SOUTHEAST MISSOURI
       NORTHERN TENNESSEE

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1130 PM
UNTIL 700 AM EDT.

HAIL TO 1.5 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 NORTH
NORTHWEST OF WALNUT RIDGE ARKANSAS TO 40 MILES EAST SOUTHEAST OF
JACKSON KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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
TORNADO WATCH NUMBER 271. WATCH NUMBER 271 WILL NOT BE IN EFFECT
AFTER 1130 PM EDT. CONTINUE...WW 272...WW 273...WW 274...WW
275...WW 276...

DISCUSSION...TSTMS EXPECTED TO PERSIST AND POSSIBLY INCREASE ALONG
WSW-ENE AXIS OF SLIGHTLY-ELEVATED WAA/CONFLUENCE FROM THE AR/MO
BORDER INTO SRN KY.  QUALITY OF WARM SECTOR MOISTURE AND MODERATE
WLY MID LVL FLOW SUGGEST POTENTIAL FOR A FEW SUSTAINED STORMS WITH
HAIL.  ACTIVITY MAY TEND TO BACK-BUILD/MERGE/REGENERATE OVER WW
THROUGH EARLY SAT.  THIS MAY ALLOW FOR DEVELOPMENT OF
WEAKLY-ORGANIZED LEWPS WITH LOCALLY DMGG WIND/HAIL AND PERHAPS AN
ISOLD TORNADO.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 26035.


...CORFIDI


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