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Tornado Watch 550
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WW0550 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Very Low
Severe Hail 2"+ Hail
Very Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL0

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 550
   NWS STORM PREDICTION CENTER NORMAN OK
   245 PM CST SUN NOV 16 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     SOUTHERN AND SOUTHEASTERN LOUISIANA
     COASTAL WATERS

   * EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
     1000 PM CST.

   * PRIMARY THREATS INCLUDE...
     A COUPLE TORNADOES POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF BATON
   ROUGE LOUISIANA TO 40 MILES SOUTH SOUTHEAST OF INTRACOASTAL CITY
   LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

   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...BROKEN SQLN WITH SCTD EMBEDDED SUPERCELLS/LOW-AMPLITUDE
   LEWPS ALONG SSW/NNE-ORIENTED SFC TROUGH ON WRN BORDER OF WW EXPECTED
   TO EDGE SLOWLY E ACROSS SRN LA THIS EVE AS A WEAK SFC WAVE EVOLVES
   NEAR BATON ROUGE. LATEST SFC DATA INDICATE THAT RICHER LOW-LVL
   MOISTURE WILL CONTINUE TO MOVE ASHORE E OF THE TROUGH...WITH SFC
   DEWPOINTS RISING INTO THE MID/UPR 60S F. AT THE SAME TIME...GRADUAL
   TIGHTENING OF UPR HEIGHT GRADIENT/WEAK HEIGHT FALLS WILL SUPPORT A
   MODEST INCREASE IN 40-50 KT WSWLY DEEP SHEAR. THIS SETUP MAY YIELD 
   SPORADIC STORMS CAPABLE OF LOCALLY DMGG WIND AND A TORNADO OR
   TWO...ESPECIALLY ALONG AND S OF I-10/12.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   450. MEAN STORM MOTION VECTOR 24030.


   ...CORFIDI
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Page last modified: November 17, 2014
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