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Severe Thunderstorm Watch 749
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WW0749 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Very 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 749
   NWS STORM PREDICTION CENTER NORMAN OK
   550 PM EDT MON SEP 28 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN AND CENTRAL NORTH CAROLINA
          SOUTHEASTERN VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 550 PM UNTIL
   1000 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 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHEAST OF
   NORFOLK VIRGINIA TO 65 MILES WEST SOUTHWEST OF RALEIGH 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.
   
   DISCUSSION...TSTMS THAT FORMED IN THE PAST 90 MIN ALONG COLD FRONT
   OVER THE SRN VA/NRN NC PIEDMONT EXPECTED TO REMAIN STG/SVR FOR THE
   NEXT FEW HRS AS THEY CROSS LOW LVL WARMTH/MOISTURE AXIS.  WHILE
   MODEST MID LVL LAPSE RATES WILL PERSIST...FORCING/STG WIND FIELD
   ASSOCIATED WITH GLANCING INFLUENCE OF GRT LKS SHORTWAVE TROUGH
   SUGGEST POTENTIAL FOR SUSTAINED STORMS/SUPERCELLS WITH A THREAT FOR
   LOCALLY DMGG WIND...SVR HAIL...AND POSSIBLY A BRIEF TORNADO UNTIL
   AFTER SUNSET.
   
   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 450. MEAN STORM
   MOTION VECTOR 26040.
   
   
   ...CORFIDI
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Page last modified: September 29, 2009
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