000 WTNT23 KNHC 150855 TCMAT3 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