560 
 WTNT23 KNHC 160852
 TCMAT3
 TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  16
 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
 0900 UTC SAT SEP 16 2006
  
 TROPICAL STORM CENTER LOCATED NEAR 17.9N  44.7W AT 16/0900Z
 POSITION ACCURATE WITHIN  30 NM
  
 PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT  13 KT
  
 ESTIMATED MINIMUM CENTRAL PRESSURE  992 MB
 MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
 50 KT....... 25NE  25SE   0SW  25NW.
 34 KT.......100NE  75SE  50SW 100NW.
 12 FT SEAS..200NE 180SE 180SW 225NW.
 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 17.9N  44.7W AT 16/0900Z
 AT 16/0600Z CENTER WAS LOCATED NEAR 17.7N  44.3W
  
 FORECAST VALID 16/1800Z 18.8N  46.1W
 MAX WIND  65 KT...GUSTS  80 KT.
 64 KT... 25NE  20SE   0SW  20NW.
 50 KT... 40NE  30SE  20SW  40NW.
 34 KT...120NE 100SE  75SW 100NW.
  
 FORECAST VALID 17/0600Z 19.7N  47.6W
 MAX WIND  75 KT...GUSTS  90 KT.
 64 KT... 25NE  20SE   0SW  20NW.
 50 KT... 40NE  30SE  20SW  40NW.
 34 KT...120NE 100SE  75SW 100NW.
  
 FORECAST VALID 17/1800Z 20.6N  49.1W
 MAX WIND  80 KT...GUSTS 100 KT.
 64 KT... 30NE  25SE  20SW  25NW.
 50 KT... 60NE  50SE  40SW  50NW.
 34 KT...150NE 120SE  75SW 120NW.
  
 FORECAST VALID 18/0600Z 21.4N  50.4W
 MAX WIND  85 KT...GUSTS 105 KT.
 50 KT... 60NE  50SE  40SW  50NW.
 34 KT...150NE 120SE  75SW 120NW.
  
 FORECAST VALID 19/0600Z 23.0N  53.0W
 MAX WIND  95 KT...GUSTS 115 KT.
 50 KT... 60NE  50SE  40SW  50NW.
 34 KT...150NE 120SE  75SW 120NW.
  
 EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
 ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
  
 OUTLOOK VALID 20/0600Z 25.0N  56.0W
 MAX WIND  95 KT...GUSTS 115 KT.
  
 OUTLOOK VALID 21/0600Z 28.0N  58.0W
 MAX WIND  90 KT...GUSTS 110 KT.
  
 REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.9N  44.7W
  
 NEXT ADVISORY AT 16/1500Z
  
 $$
 FORECASTER KNABB