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Particularly Dangerous Situation (PDS) Severe Thunderstorm Watch 388
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WW0388 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High High
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.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 388
   NWS STORM PREDICTION CENTER NORMAN OK
   1135 AM CDT FRI JUN 12 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          MUCH OF ARKANSAS
          PARTS OF NORTHERN MISSISSIPPI
          PARTS OF EASTERN OKLAHOMA
          PARTS OF WESTERN TENNESSEE
   
   EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1135 AM UNTIL 700
   PM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   EXTREMELY DAMAGING THUNDERSTORM WIND GUSTS TO 105 MPH...LARGE
   HAIL TO 3 INCHES IN DIAMETER...AND DANGEROUS LIGHTNING ARE
   POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST
   SOUTHWEST OF MUSKOGEE OKLAHOMA TO 35 MILES SOUTH SOUTHEAST OF
   MEMPHIS TENNESSEE.  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 387...
   
   DISCUSSION...AN INTENSE BOW ECHO/DERECHO HAS DEVELOPED ACROSS NERN
   OK AND WILL CONTINUE RAPIDLY E/ESEWD ACROSS THE WATCH AREA THRU THE
   AFTERNOON. WITH A VERY UNSTABLE AIRMASS IN PLACE AND 40-50KT OF DEEP
   LAYER SHEAR...A SWATH OF DAMAGING WINDS...POSSIBLY VERY DAMAGING
   WILL TRACK EWD ACROSS THE WATCH AREA.  IN ADDITION SEVERE STORMS
   EXPECTED TO DEVELOP WITH THE STRONG HEATING OF THE UNSTABLE AIR MASS
   AHEAD OF THE DERECHO WITH POTENTIAL FOR LARGE HAIL AS WELL AS WIND
   DAMAGE.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 90
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 28045.
   
   
   ...HALES
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