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TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  30
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082018
2100 UTC FRI SEP 14 2018


CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ALL OF THE AZORES ISLANDS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN 24
TO 36 HOURS.

INTERESTS IN THE IRELAND AND UNITED KINGDOM SHOULD CONSULT PRODUCTS
FROM THEIR LOCAL METEOROLOGICAL SERVICE FOR INFORMATION ABOUT
POTENTIAL IMPACTS FROM HELENE IN THOSE LOCATIONS.  LOCAL FORECASTS
AND WARNINGS FOR THE UK CAN BE FOUND ON THE WEBSITE OF THE UK MET
OFFICE AT HTTPS://WWW.METOFFICE.GOV.UK/.  LOCAL FORECASTS AND
WARNINGS FOR IRELAND CAN BE FOUND ON THE WEBSITE OF MET EIREANN AT
HTTPS://WWW.MET.IE/.

TROPICAL STORM CENTER LOCATED NEAR 34.1N  36.8W AT 14/2100Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT  16 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  988 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 70NE  40SE  30SW  40NW.
34 KT.......140NE 110SE  70SW 110NW.
12 FT SEAS..240NE 300SE 210SW 180NW.
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 34.1N  36.8W AT 14/2100Z
AT 14/1800Z CENTER WAS LOCATED NEAR 33.3N  37.1W

FORECAST VALID 15/0600Z 36.4N  36.0W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 70NE  40SE  30SW  40NW.
34 KT...140NE 110SE  70SW 110NW.

FORECAST VALID 15/1800Z 38.9N  33.7W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 50NE  40SE  40SW  50NW.
34 KT...130NE 110SE  90SW 110NW.

FORECAST VALID 16/0600Z 41.0N  30.0W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  60SE  50SW  30NW.
34 KT...130NE 140SE 120SW 110NW.

FORECAST VALID 16/1800Z 43.3N  25.2W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  60SE  50SW  20NW.
34 KT...130NE 150SE 130SW 110NW.

FORECAST VALID 17/1800Z 49.5N  12.9W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  60SE  50SW  20NW.
34 KT...150NE 160SE 160SW 110NW.

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 18/1800Z...ABSORBED BY A FRONT

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 34.1N  36.8W

NEXT ADVISORY AT 15/0300Z

$$
FORECASTER ROBERTS


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