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TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 27
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018
0300 UTC FRI SEP 14 2018
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* ALL OF THE AZORES ISLANDS
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA... GENERALLY WITHIN 48 HOURS.
TROPICAL STORM CENTER LOCATED NEAR 28.6N 36.5W AT 14/0300Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 18 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 992 MB
MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT.
50 KT....... 60NE 40SE 0SW 40NW.
34 KT.......120NE 90SE 60SW 90NW.
12 FT SEAS..210NE 210SE 240SW 210NW.
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 28.6N 36.5W AT 14/0300Z
AT 14/0000Z CENTER WAS LOCATED NEAR 27.6N 36.7W
FORECAST VALID 14/1200Z 31.4N 35.9W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 60NE 40SE 0SW 40NW.
34 KT...120NE 90SE 60SW 90NW.
FORECAST VALID 15/0000Z 34.8N 34.7W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 60NE 60SE 0SW 30NW.
34 KT...120NE 120SE 60SW 60NW.
FORECAST VALID 15/1200Z 37.8N 32.8W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 50SE 20SW 40NW.
34 KT...120NE 140SE 90SW 90NW.
FORECAST VALID 16/0000Z 40.0N 29.0W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 50SE 20SW 30NW.
34 KT...100NE 140SE 120SW 100NW.
FORECAST VALID 17/0000Z 43.0N 21.5W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 50SE 50SW 20NW.
34 KT...120NE 140SE 140SW 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 18/0000Z 46.5N 15.0W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
OUTLOOK VALID 19/0000Z 53.0N 5.0W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.6N 36.5W
NEXT ADVISORY AT 14/0900Z
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FORECASTER AVILA
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