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Severe Thunderstorm Watch 60
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WW0060 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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
   SEVERE THUNDERSTORM WATCH NUMBER 60
   NWS STORM PREDICTION CENTER NORMAN OK
   335 AM CDT FRI APR 4 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     WESTERN AND CENTRAL LOUISIANA
     SOUTHEAST TEXAS
     COASTAL WATERS

   * EFFECTIVE THIS FRIDAY MORNING FROM 335 AM UNTIL 1100 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
     A FEW TORNADOES POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF
   NATCHITOCHES LOUISIANA TO 15 MILES EAST OF HOUSTON TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU0).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 56...WW 57...WW 58...WW
   59...

   DISCUSSION...TSTMS EXPECTED TO INCREASE ALONG AND AHEAD OF COLD
   FRONT MOVING SE ACROSS E TX AND NRN LA. OTHER STORMS MAY FORM ALONG
   PRE-FRONTAL CONFLUENCE ZONE OVER FAR E TX/WRN LA. UNDERCUTTING
   NATURE OF COLD FRONT /GIVEN STRONG PRESSURE RISES BEHIND THE
   BOUNDARY/ SUGGESTS DEVELOPMENT OF A MORE OR LESS SOLID LINE OF
   STORMS. WHILE LARGE-SCALE FORCING FOR ASCENT WILL BE MINIMAL ON SRN
   FRINGE OF DEPARTING UPR TROUGH...COMBINATION OF AMPLE LOW-LVL
   UPLIFT/MOISTURE AND STEEP MID-LVL LAPSE RATES WITH 40 KT WLY DEEP
   SHEAR SUGGESTS A POTENTIAL FOR FEW SUSTAINED STORMS/POSSIBLE
   SUPERCELLS WITH LARGE HAIL/DMGG WIND.
   A NON-ZERO POTENTIAL ALSO WILL EXIST FOR A TORNADO OR
   TWO...PARTICULARLY IN CNTRL LA...WHERE UPDRAFTS MAY REMAIN MORE
   DISCRETE FOR A GREATER LENGTH OF TIME ALONG PRE-FRONTAL CONFLUENCE
   ZONE. IF IT APPEARS THAT A MORE DISCRETE STORM MODE THAN IS NOW
   EXPECTED WILL EXIST /BEFORE THE AREA WINDS BEGIN TO DIMINISH AROUND
   12Z/...PARTS OF LA MAY REQUIRE UPGRADE TO A TORNADO WATCH.

   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 550. MEAN STORM
   MOTION VECTOR 29025.


   ...CORFIDI
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Page last modified: April 04, 2014
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