795 
 WTNT24 KNHC 231442
 TCMAT4
 TROPICAL STORM IVAN FORECAST/ADVISORY NUMBER  70
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092004
 1500Z THU SEP 23 2004
  
 AT 10 AM CDT...1500Z...THE TROPICAL STORM WARNING HAS BEEN
 DISCONTINUED FROM EAST OF MORGAN CITY LOUISIANA EASTWARD TO THE
 MOUTH OF THE MISSISSIPPI RIVER.
  
 A TROPICAL STORM WARNING REMAINS IN EFFECT FOR A PORTION OF THE
 GULF OF MEXICO COAST FROM MORGAN CITY LOUISIANA WESTWARD TO SARGENT
 TEXAS.
  
 TROPICAL STORM CENTER LOCATED NEAR 29.2N  92.7W AT 23/1500Z
 POSITION ACCURATE WITHIN  20 NM
  
 PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT  13 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
 MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
 50 KT....... 20NE   0SE   0SW  20NW.
 34 KT....... 60NE  60SE  20SW  40NW.
 12 FT SEAS..150NE 150SE 100SW 100NW.
 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 29.2N  92.7W AT 23/1500Z
 AT 23/1200Z CENTER WAS LOCATED NEAR 28.9N  92.2W
  
 FORECAST VALID 24/0000Z 30.0N  94.0W...INLAND
 MAX WIND  45 KT...GUSTS  55 KT.
 34 KT... 40NE  60SE  30SW  30NW.
  
 FORECAST VALID 24/1200Z 30.5N  95.3W...INLAND
 MAX WIND  30 KT...GUSTS  40 KT.
  
 FORECAST VALID 25/0000Z 30.6N  96.3W...INLAND
 MAX WIND  25 KT...GUSTS  35 KT.
  
 FORECAST VALID 25/1200Z 30.4N  97.0W...DISSIPATING INLAND
 MAX WIND  20 KT...GUSTS  30 KT.
  
 FORECAST VALID 26/1200Z 29.5N  97.8W...REMNANT LOW INLAND
 MAX WIND  20 KT...GUSTS  25 KT.
  
 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 27/1200Z...DISSIPATED INLAND
 
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.2N  92.7W
  
 NEXT ADVISORY AT 23/2100Z
  
 FORECASTER STEWART
  
  
 $$