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 396 
 WTNT21 KNHC 110840
 TCMAT1
 HURRICANE OPHELIA FORECAST/ADVISORY NUMBER  20
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL162005
 0900Z SUN SEP 11 2005
  
 AT 5 AM EDT...0900Z...A PORTION OF THE HURRICANE WATCH AREA FROM
 SAVANNAH RIVER SOUTH CAROLINA NORTHEASTWARD TO EDISTO BEACH SOUTH
 CAROLINA HAS BEEN DISCONTINUED.
  
 A HURRICANE WATCH REMAINS IN EFFECT FOR THE SOUTHEAST COAST OF THE
 UNITED STATES FROM NORTH OF EDISTO BEACH SOUTH CAROLINA
 NORTHEASTWARD TO CAPE LOOKOUT NORTH CAROLINA.  THE HURRICANE WATCH
 MAY HAVE TO BE SHIFTED NORTHWARD LATER TODAY.  A HURRICANE WATCH
 MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
 AREA...GENERALLY WITHIN 36 HOURS.
  
 INTERESTS ELSEWHERE IN THE SOUTHEASTERN UNITED STATES COASTAL REGION
 SHOULD MONITOR THE PROGRESS OF OPHELIA.
  
 HURRICANE CENTER LOCATED NEAR 31.7N  75.9W AT 11/0900Z
 POSITION ACCURATE WITHIN  20 NM
  
 PRESENT MOVEMENT IS STATIONARY
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  978 MB
 EYE DIAMETER  25 NM
 MAX SUSTAINED WINDS  75 KT WITH GUSTS TO  90 KT.
 64 KT....... 25NE  25SE  25SW  25NW.
 50 KT....... 50NE  50SE  35SW  50NW.
 34 KT.......130NE 130SE  90SW 130NW.
 12 FT SEAS..175NE 175SE 210SW 150NW.
 WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
 MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
  
 REPEAT...CENTER LOCATED NEAR 31.7N  75.9W AT 11/0900Z
 AT 11/0600Z CENTER WAS LOCATED NEAR 31.7N  75.9W
  
 FORECAST VALID 11/1800Z 31.6N  76.0W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 25NE  25SE  25SW  25NW.
 50 KT... 50NE  50SE  35SW  50NW.
 34 KT...130NE 130SE  90SW 130NW.
  
 FORECAST VALID 12/0600Z 31.6N  76.2W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 25NE  25SE  25SW  25NW.
 50 KT... 50NE  50SE  35SW  50NW.
 34 KT...130NE 130SE  90SW 130NW.
  
 FORECAST VALID 12/1800Z 32.0N  76.5W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 25NE  25SE  25SW  25NW.
 50 KT... 50NE  50SE  35SW  50NW.
 34 KT...130NE 130SE  90SW 130NW.
  
 FORECAST VALID 13/0600Z 32.6N  76.7W
 MAX WIND  75 KT...GUSTS  90 KT.
 50 KT... 50NE  50SE  35SW  50NW.
 34 KT...130NE 130SE  90SW 130NW.
  
 FORECAST VALID 14/0600Z 34.0N  76.5W
 MAX WIND  75 KT...GUSTS  90 KT.
 50 KT... 50NE  50SE  35SW  50NW.
 34 KT...130NE 130SE  90SW 130NW.
  
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
 ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
  
 OUTLOOK VALID 15/0600Z 36.5N  75.0W
 MAX WIND  50 KT...GUSTS  60 KT.
  
 OUTLOOK VALID 16/0600Z 39.5N  71.0W
 MAX WIND  40 KT...GUSTS  50 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.7N  75.9W
  
 NEXT ADVISORY AT 11/1500Z
  
 FORECASTER KNABB
  
  
 $$
 
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