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Hurricane Helene Forecast Advisory Number 12
2018-09-10 10:52:21| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON SEP 10 2018 257 WTNT23 KNHC 100852 TCMAT3 HURRICANE HELENE FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 0900 UTC MON SEP 10 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 14.3N 28.9W AT 10/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT. 64 KT....... 20NE 15SE 0SW 20NW. 50 KT....... 40NE 30SE 0SW 40NW. 34 KT....... 80NE 60SE 30SW 70NW. 12 FT SEAS..120NE 180SE 120SW 120NW. 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 14.3N 28.9W AT 10/0900Z AT 10/0600Z CENTER WAS LOCATED NEAR 14.1N 28.2W FORECAST VALID 10/1800Z 14.8N 30.9W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 30NE 20SE 0SW 30NW. 50 KT... 50NE 40SE 20SW 50NW. 34 KT... 90NE 60SE 40SW 90NW. FORECAST VALID 11/0600Z 15.5N 33.4W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 30NE 20SE 0SW 30NW. 50 KT... 50NE 40SE 20SW 50NW. 34 KT...100NE 60SE 50SW 90NW. FORECAST VALID 11/1800Z 16.3N 35.6W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 30NE 20SE 10SW 30NW. 50 KT... 60NE 40SE 30SW 60NW. 34 KT...120NE 80SE 70SW 110NW. FORECAST VALID 12/0600Z 17.2N 37.2W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 30NE 20SE 10SW 30NW. 50 KT... 60NE 40SE 30SW 60NW. 34 KT...120NE 80SE 70SW 110NW. FORECAST VALID 13/0600Z 20.3N 39.4W MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 50NE 40SE 30SW 50NW. 34 KT...110NE 70SE 70SW 100NW. 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 14/0600Z 25.3N 40.8W MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 15/0600Z 31.2N 41.1W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.3N 28.9W NEXT ADVISORY AT 10/1500Z $$ FORECASTER ROBERTS
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