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Tornado Watch 594
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WW0594 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate 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.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 594
   NWS STORM PREDICTION CENTER NORMAN OK
   155 PM EDT FRI JUL 17 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          FAR NORTHEAST NORTH CAROLINA
          SOUTHEAST VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 700
   PM EDT.
   
   TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
   MILES EAST AND WEST OF A LINE FROM 20 MILES WEST OF WALLOPS
   VIRGINIA TO 40 MILES EAST OF ROANOKE RAPIDS NORTH CAROLINA.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 592...WW 593...
   
   DISCUSSION...ORGANIZED CLUSTER OF TSTMS WITH EMBEDDED SUPERCELLS
   REMAINS COINCIDENT WITH MESOLOW DEVELOPING ENEWD THROUGH S-CNTRL VA.
   AIR MASS IN ADVANCE OF THESE STORMS IS HOT AND MOIST WITH MLCAPE OF
   1000-2000 J/KG.  ISALLOBARIC RESPONSE TO SURFACE LOW WILL MAINTAIN A
   CORRIDOR OF BACKED LOW-LEVEL WINDS AHEAD OF STORMS...RESULTING IN A
   FAVORABLE ENVIRONMENT FOR ISOLATED TORNADOES.
   
   AVIATION...TORNADOES AND 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/IMY
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Page last modified: July 17, 2009
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