Tropical Storm HELENE

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TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
0900 UTC FRI SEP 15 2006
 
TROPICAL STORM CENTER LOCATED NEAR 15.0N  40.3W AT 15/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT  13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 90NE  45SE   0SW  90NW.
12 FT SEAS.. 90NE  45SE   0SW  90NW.
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 15.0N  40.3W AT 15/0900Z
AT 15/0600Z CENTER WAS LOCATED NEAR 14.8N  39.7W
 
FORECAST VALID 15/1800Z 15.9N  42.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 90NE  45SE   0SW  90NW.
 
FORECAST VALID 16/0600Z 17.0N  44.2W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW  30NW.
34 KT...120NE  75SE  50SW 100NW.
 
FORECAST VALID 16/1800Z 18.0N  46.0W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE   0SE   0SW  30NW.
34 KT...120NE  75SE  50SW 100NW.
 
FORECAST VALID 17/0600Z 19.0N  47.4W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 60NE  50SE  30SW  50NW.
34 KT...150NE 100SE  75SW 120NW.
 
FORECAST VALID 18/0600Z 21.0N  50.0W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 60NE  50SE  30SW  50NW.
34 KT...150NE 100SE  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 19/0600Z 23.0N  52.5W
MAX WIND  80 KT...GUSTS 100 KT.
 
OUTLOOK VALID 20/0600Z 24.5N  54.5W
MAX WIND  85 KT...GUSTS 105 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.0N  40.3W
 
NEXT ADVISORY AT 15/1500Z
 
$$
FORECASTER KNABB
 
 
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