Home Hurricane Helene Forecast Advisory Number 23
 

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Hurricane Helene Forecast Advisory Number 23

2018-09-13 04:37:13| National Hurricane Center (Atlantic)

Issued at 0300 UTC THU SEP 13 2018 299 WTNT23 KNHC 130237 TCMAT3 HURRICANE HELENE FORECAST/ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 0300 UTC THU SEP 13 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS IN THE AZORES SHOULD MONITOR THE PROGRESS OF HELENE. HURRICANE CENTER LOCATED NEAR 22.4N 36.9W AT 13/0300Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 983 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 40NE 30SE 30SW 40NW. 50 KT....... 70NE 60SE 60SW 90NW. 34 KT.......150NE 100SE 100SW 120NW. 12 FT SEAS..240NE 240SE 270SW 270NW. 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 22.4N 36.9W AT 13/0300Z AT 13/0000Z CENTER WAS LOCATED NEAR 21.9N 36.8W FORECAST VALID 13/1200Z 24.4N 37.1W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 50SE 60SW 50NW. 34 KT...150NE 110SE 90SW 120NW. FORECAST VALID 14/0000Z 27.3N 37.0W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 60SE 30SW 50NW. 34 KT...140NE 110SE 80SW 110NW. FORECAST VALID 14/1200Z 30.7N 36.4W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 60SE 20SW 30NW. 34 KT...140NE 130SE 70SW 80NW. FORECAST VALID 15/0000Z 34.3N 35.3W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 50SE 30SW 30NW. 34 KT...120NE 120SE 80SW 90NW. FORECAST VALID 16/0000Z 40.1N 30.5W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 40SE 30SW 20NW. 34 KT...110NE 140SE 100SW 70NW. 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 17/0000Z 43.4N 22.4W MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 18/0000Z 48.7N 12.9W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.4N 36.9W NEXT ADVISORY AT 13/0900Z $$ FORECASTER ROBERTS

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