658 
 WTNT24 KNHC 131430
 TCMAT4
 HURRICANE IVAN FORECAST/ADVISORY NUMBER  45
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092004
 1500Z MON SEP 13 2004
  
 A HURRICANE WARNING REMAINS IN EFFECT FOR CUBA FROM PINAR DEL RIO TO
 CIEGO DE AVILA INCLUDING THE ISLE OF YOUTH.  A HURRICANE WARNING
 MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING
 AREA WITHIN THE NEXT 24 HOURS.  PREPARATIONS TO PROTECT LIFE AND
 PROPERTY SHOULD BE RUSHED TO COMPLETION.
  
 A HURRICANE WATCH REMAINS IN EFFECT FOR THE REST OF CUBA.
  
 A HURRICANE WARNING REMAINS IN EFFECT FOR THE NORTHEASTERN YUCATAN
 PENINSULA FROM TULUM TO PROGRESO.
  
 AT 1100AM EDT...1500Z...THE GOVERNMENT OF THE CAYMAN ISLANDS HAS
 DISCONTINUED ALL WARNINGS FOR ALL OF THE CAYMAN ISLANDS.
  
 A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE FLORIDA KEYS FROM
 THE SEVEN MILE BRIDGE WESTWARD TO THE DRY TORTUGAS.
  
 HURRICANE WATCHES MAY BE REQUIRED FOR PORTIONS OF THE NORTH CENTRAL
 AND NORTHEASTERN GULF OF MEXICO COAST LATER TODAY OR TONIGHT.
  
 HURRICANE CENTER LOCATED NEAR 20.6N  84.4W AT 13/1500Z
 POSITION ACCURATE WITHIN  15 NM
  
 PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   7 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  915 MB
 EYE DIAMETER  30 NM
 MAX SUSTAINED WINDS 140 KT WITH GUSTS TO 170 KT.
 64 KT....... 90NE  75SE  40SW  50NW.
 50 KT.......125NE  90SE  60SW  75NW.
 34 KT.......180NE 150SE 125SW 125NW.
 12 FT SEAS..300NE 240SE 240SW 300NW.
 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 20.6N  84.4W AT 13/1500Z
 AT 13/1200Z CENTER WAS LOCATED NEAR 20.4N  84.1W
  
 FORECAST VALID 14/0000Z 21.5N  85.3W
 MAX WIND 140 KT...GUSTS 170 KT.
 64 KT... 90NE  75SE  40SW  50NW.
 50 KT...125NE  90SE  60SW  75NW.
 34 KT...180NE 150SE 125SW 125NW.
  
 FORECAST VALID 14/1200Z 23.2N  86.5W
 MAX WIND 135 KT...GUSTS 165 KT.
 64 KT... 90NE  75SE  40SW  50NW.
 50 KT...125NE  90SE  60SW  75NW.
 34 KT...180NE 150SE 125SW 125NW.
  
 FORECAST VALID 15/0000Z 25.2N  87.4W
 MAX WIND 130 KT...GUSTS 160 KT.
 64 KT... 90NE  75SE  40SW  50NW.
 50 KT...125NE  90SE  60SW  75NW.
 34 KT...180NE 150SE 125SW 125NW.
  
 FORECAST VALID 15/1200Z 27.2N  87.7W
 MAX WIND 120 KT...GUSTS 145 KT.
 50 KT...125NE 125SE  75SW  75NW.
 34 KT...180NE 180SE 125SW 125NW.
  
 FORECAST VALID 16/1200Z 31.0N  86.5W...INLAND
 MAX WIND 100 KT...GUSTS 120 KT.
 50 KT...125NE 125SE  75SW  75NW.
 34 KT...180NE 180SE 125SW 125NW.
  
 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 17/1200Z 34.0N  84.5W...INLAND
 MAX WIND  45 KT...GUSTS  55 KT.
  
 OUTLOOK VALID 18/1200Z 36.5N  81.5W...INLAND
 MAX WIND  25 KT...GUSTS  35 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N  84.4W
  
 NEXT ADVISORY AT 13/2100Z
  
 FORECASTER STEWART
  
  
 $$