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Severe Thunderstorm Watch 63
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WW0063 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Low Very Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 63
   NWS STORM PREDICTION CENTER NORMAN OK
   630 AM CDT SUN APR 6 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     WESTERN AND NORTHERN LOUISIANA
     CENTRAL AND EASTERN TEXAS

   * EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 630 AM UNTIL
     200 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE
     A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 160
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF
   TYLER TEXAS TO 70 MILES SOUTH SOUTHEAST OF LUFKIN TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU3).

   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.

   &&

   DISCUSSION...ELEVATED TSTMS/POSSIBLE SUPERCELLS EXPECTED TO CONTINUE
   FORMING IN ZONE OF MAXIMUM WAA/MOISTURE TRANSPORT ALONG 850 MB WARM
   FRONT DOWNSTREAM FROM SLOWLY-PROGRESSIVE NM UPR TROUGH. PRESENCE OF
   AMPLE CLOUD-LAYER SHEAR /AOA 50 KTS/ AND MOISTURE /PW AROUND 1.25
   INCHES/ SUGGESTS THE POTENTIAL FOR LARGE HAIL AND POSSIBLY AN
   INSTANCE OR TWO OF LOCALLY DMGG WIND AS LARGE-SCALE ASCENT FURTHER
   INCREASES THROUGH LATER THIS MORNING.

   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 500. MEAN STORM
   MOTION VECTOR 24035.


   ...CORFIDI
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Page last modified: April 06, 2014
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