WATCHES: Tornado Watch Number 551

WWUS20 KWNS 311232
SEL1
SPC WW 311232
LAZ000-MSZ000-TXZ000-CWZ000-311900-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 551
NWS STORM PREDICTION CENTER NORMAN OK
730 AM CDT THU OCT 31 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN LOUISIANA
SOUTHWESTERN MISSISSIPPI
EXTREME SOUTHEAST TEXAS
COASTAL WATERS

* EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 730 AM UNTIL
200 PM CDT.

* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75
MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF
LAKE CHARLES LOUISIANA TO 30 MILES NORTH OF NATCHEZ MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

DISCUSSION...GRADUALLY ORGANIZING BAND OF TSTMS IS EXPECTED TO POSE
RISK OF DAMAGING GUSTS AND POTENTIAL FOR A FEW TORNADOES AS IT MOVES
EWD INTO ENVIRONMENT CHARACTERIZED BY AT LEAST MARGINAL
BUOYANCY...INCREASING DEEP SHEAR FROM W-E WITH TIME...AND LARGE
LOW-LEVEL HODOGRAPHS PER PRECONVECTIVE RAOB/VWP. REF SPC MESOSCALE
DISCUSSION 1989 FOR MORE INITIAL/NEAR-TERM DETAILS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25030.


...EDWARDS

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