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Severe Thunderstorm Watch 368
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WW0368 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
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.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 368
   NWS STORM PREDICTION CENTER NORMAN OK
   640 PM CDT WED JUN 10 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN...CENTRAL AND SOUTHWESTERN ARKANSAS
          NORTHWEST LOUISIANA
          FAR SOUTHEAST OKLAHOMA
          NORTHEAST TEXAS
   
   EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 640 PM
   UNTIL 200 AM CDT.
   
   HAIL TO 2 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 100
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES EAST
   NORTHEAST OF FLIPPIN ARKANSAS TO 80 MILES SOUTH SOUTHEAST OF
   PARIS TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
   
   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 365...WW 366...WW 367...
   
   DISCUSSION...TWO SEPARATE FORWARD-PROPAGATING/BOW MCS...ONE IN E
   CNTRL OK AND THE OTHER NOW OVER THE DFW AREA...EXPECTED TO CONTINUE
   GENERALLY ENE AT 40-50 KTS...SUPPORTED IN PART BY ASCENT AHEAD OF
   EJECTING SRN STREAM SHORTWAVE TROUGH.  PATTERN OF SFC-BASED
   INSTABILITY ACROSS REGION...AND PRESENCE OF EXISTING INDEPENDENT
   STORMS IN WAA AREA AHEAD OF BOW...SUGGEST THAT STRONGEST PART OF DFW
   COMPLEX SHOULD AFFECT NE TX/FAR SE OK.  PART OF OK BOW LIKELY TO SEE
   STRONGEST DEVELOPMENT IS MORE NEBULOUS...GIVEN PASSAGE OF WEAKENING
   MCSS IN NRN/NERN AR EARLIER IN THE DAY.
   
   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 25040.
   
   
   ...CORFIDI
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