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Severe Thunderstorm Watch 556
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WW0556 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.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 556
   NWS STORM PREDICTION CENTER NORMAN OK
   140 PM EDT SUN JUN 26 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN GEORGIA
          WESTERN NORTH CAROLINA
          WESTERN SOUTH CAROLINA
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 140 PM UNTIL 900
   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 NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHWEST
   OF ROME GEORGIA TO 35 MILES EAST SOUTHEAST OF CHARLOTTE NORTH
   CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   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 555...
   
   DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND
   INTENSITY THIS AFTERNOON ALONG LEADING EDGE OF OUTFLOW BOUNDARY
   WHICH HAS RECENTLY CRESTED THE SPINE OF THE APPALACHIANS.  AMBIENT
   INFLOW AIR MASS IS EXPECTED TO BECOME QUITE HOT.  WHEN COUPLED WITH
   A MOIST BOUNDARY LAYER AND STEEP MIDLEVEL LAPSE RATE
   ENVIRONMENT...EXPECT AFTERNOON MLCAPE VALUES TO APPROACH 2500-3500
   J/KG.  THIS INSTABILITY COMBINED WITH A BELT OF SLIGHTLY STRONGER
   MIDLEVEL FLOW MOVING THROUGH THE SRN APPALACHIANS /REF. CURRENT MRX
   VAD/ WILL SUPPORT THE POTENTIAL FOR ORGANIZED STORM CLUSTERS CAPABLE
   OF DAMAGING WINDS AND 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 30025.
   
   
   ...MEAD
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