000 WTNT23 KNHC 180236 TCMAT3 HURRICANE HELENE FORECAST/ADVISORY NUMBER 23 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006 0300 UTC MON SEP 18 2006 HURRICANE CENTER LOCATED NEAR 21.6N 49.4W AT 18/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 7 KT ESTIMATED MINIMUM CENTRAL PRESSURE 962 MB EYE DIAMETER 25 NM MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT. 64 KT....... 45NE 40SE 30SW 35NW. 50 KT....... 90NE 65SE 45SW 60NW. 34 KT.......175NE 150SE 100SW 125NW. 12 FT SEAS..275NE 200SE 200SW 250NW. 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 21.6N 49.4W AT 18/0300Z AT 18/0000Z CENTER WAS LOCATED NEAR 21.3N 49.2W FORECAST VALID 18/1200Z 22.3N 50.2W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 45NE 40SE 30SW 35NW. 50 KT... 90NE 65SE 45SW 60NW. 34 KT...175NE 150SE 100SW 125NW. FORECAST VALID 19/0000Z 23.0N 51.5W MAX WIND 110 KT...GUSTS 135 KT. 64 KT... 45NE 40SE 30SW 35NW. 50 KT... 90NE 65SE 45SW 60NW. 34 KT...175NE 150SE 100SW 125NW. FORECAST VALID 19/1200Z 23.3N 53.1W MAX WIND 110 KT...GUSTS 135 KT. 64 KT... 45NE 40SE 30SW 35NW. 50 KT...100NE 75SE 60SW 75NW. 34 KT...200NE 175SE 125SW 150NW. FORECAST VALID 20/0000Z 23.6N 54.8W MAX WIND 110 KT...GUSTS 135 KT. 50 KT...100NE 75SE 60SW 75NW. 34 KT...200NE 175SE 125SW 150NW. FORECAST VALID 21/0000Z 25.0N 58.0W MAX WIND 100 KT...GUSTS 120 KT. 50 KT...100NE 75SE 60SW 75NW. 34 KT...200NE 175SE 125SW 150NW. 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 22/0000Z 27.5N 59.5W MAX WIND 95 KT...GUSTS 115 KT. OUTLOOK VALID 23/0000Z 29.5N 61.5W MAX WIND 90 KT...GUSTS 110 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N 49.4W NEXT ADVISORY AT 18/0900Z $$ FORECASTER BLAKE/PASCH