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Severe Thunderstorm Watch 67
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WW0067 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
High 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 67
   NWS STORM PREDICTION CENTER NORMAN OK
   225 PM CDT SAT MAR 30 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          FAR SOUTHWEST ARKANSAS
          NORTHERN AND CENTRAL LOUISIANA
          FAR SOUTHWEST MISSISSIPPI
          NORTHEAST TEXAS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 225 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 3 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 65
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST
   OF LONGVIEW TEXAS TO 45 MILES EAST NORTHEAST OF ALEXANDRIA
   LOUISIANA.  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...CONTINUE...WW 66...
   
   DISCUSSION...THREE STRONG TSTMS HAVE FORMED OR STRENGTHENED IN THE
   PAST HOUR ALONG AND N OF OUTFLOW BOUNDARY LEFT FROM OVERNIGHT MCS
   AND NOW ARCING FROM SE OK THROUGH NE TX INTO NRN LA. WHILE LARGE
   SCALE SUBSIDENCE IN WAKE OF THE MCS LIKELY IS STILL OCCURRING OVER
   THE REGION...SFC HEATING IN UPSTREAM /NE TX/ WARM SECTOR AND
   CONTINUING PRESENCE OF COOL MID-LVL TEMPS MAY CONTINUE TO PROMOTE
   STORM DEVELOPMENT/FURTHER STRENGTHENING. AMPLE /35 KT/ NWLY DEEP
   SHEAR IS PRESENT FOR SUPERCELLS...WITH LARGE HAIL AND LOCALLY DMGG
   WIND THE MAIN SVR THREATS. A TORNADO OR TWO CANNOT BE RULED OUT
   GIVEN 25-30 KT 700 MB FLOW AND SIZABLE LOW-LVL DIRECTIONAL COMPONENT
   TO SHEAR. ATTM...HOWEVER...THIS THREAT APPEARS TOO CONDITIONAL/LOW
   TO WARRANT A TORNADO WATCH. NEVERTHELESS... ENVIRONMENT...ESPECIALLY
   IN NE TX/NW LA...WILL CONTINUED TO BE MONITORED FOR POSSIBLE WATCH
   UPGRADE THROUGH THE AFTN.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 34025.
   
   
   ...CORFIDI
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