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Hurricane Helene Forecast Advisory Number 17
2018-09-11 16:40:31| National Hurricane Center (Atlantic)
Issued at 1500 UTC TUE SEP 11 2018 357 WTNT23 KNHC 111440 TCMAT3 HURRICANE HELENE FORECAST/ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 1500 UTC TUE SEP 11 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 16.5N 34.3W AT 11/1500Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 966 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 95 KT WITH GUSTS TO 115 KT. 64 KT....... 30NE 20SE 10SW 30NW. 50 KT....... 50NE 40SE 20SW 50NW. 34 KT.......120NE 100SE 40SW 80NW. 12 FT SEAS..300NE 240SE 210SW 330NW. 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 16.5N 34.3W AT 11/1500Z AT 11/1200Z CENTER WAS LOCATED NEAR 16.2N 34.0W FORECAST VALID 12/0000Z 17.5N 35.5W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 40NE 30SE 20SW 40NW. 50 KT... 60NE 50SE 30SW 60NW. 34 KT...120NE 100SE 50SW 90NW. FORECAST VALID 12/1200Z 18.9N 36.9W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 40NE 30SE 20SW 40NW. 50 KT... 60NE 50SE 40SW 60NW. 34 KT...120NE 100SE 60SW 100NW. FORECAST VALID 13/0000Z 20.7N 37.8W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 40NE 30SE 20SW 30NW. 50 KT... 70NE 50SE 50SW 60NW. 34 KT...130NE 100SE 80SW 110NW. FORECAST VALID 13/1200Z 22.5N 38.2W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 50SE 40SW 50NW. 34 KT...120NE 100SE 70SW 80NW. FORECAST VALID 14/1200Z 27.5N 38.0W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 50SE 40SW 50NW. 34 KT...120NE 120SE 70SW 90NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 15/1200Z 35.0N 35.0W MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 16/1200Z 40.0N 30.0W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.5N 34.3W NEXT ADVISORY AT 11/2100Z $$ FORECASTER AVILA
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