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Severe Thunderstorm Watch 379
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WW0379 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 379
   NWS STORM PREDICTION CENTER NORMAN OK
   345 PM EDT THU JUN 11 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          WESTERN AND CENTRAL NORTH CAROLINA
          NORTH-CENTRAL SOUTH CAROLINA
          SOUTHWESTERN VIRGINIA
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
   800 PM EDT.
   
   HAIL TO 1.5 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 60
   STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH
   NORTHWEST OF GREENSBORO NORTH CAROLINA TO 75 MILES SOUTH OF
   CHARLOTTE NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 375...WW 376...WW
   377...WW 378...
   
   DISCUSSION...ISOLATED STORMS HAVE DEVELOPED THIS AFTERNOON IN
   ADVANCE OF BOWING MCS WITH ACTIVITY EXPECTED TO SPREAD EWD ACROSS
   THE REGION THIS AFTERNOON INTO EVENING.  INFLOW AIR MASS IS QUITE
   MOIST AND MODERATELY UNSTABLE WITH MLCAPE OF 1000-2000 J/KG.  THIS
   INSTABILITY IN CONJUNCTION WITH STRENGTHENING DEEP WLY FLOW /PER
   UPSTREAM VWPS/ SHOULD MAINTAIN ORGANIZED STORM STRUCTURES WITH THE
   THREAT FOR DAMAGING WINDS AND SOME HAIL.
   
   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 500. MEAN STORM
   MOTION VECTOR 27030.
   
   
   ...MEAD/THOMPSON
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Page last modified: June 12, 2009
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