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POTENTIAL TROPICAL CYCLONE EIGHTEEN FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182017
2100 UTC FRI OCT 27 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WARNING FOR
THE CUBAN PROVINCES OF ISLA DE LA JUVENTUD...LA HABANA...CIUDAD DE
LA HABANA...MATANZAS...CIENFUEGOS...AND VILLA CLARA.

THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
FOR THE NORTHWESTERN BAHAMAS...INCLUDING THE ABACOS...ANDROS
ISLAND...BERRY ISLANDS...BIMINI...ELEUTHERA...GRAND BAHAMA
ISLAND...AND NEW PROVIDENCE.

THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH
FOR THE CENTRAL BAHAMAS...INCLUDING CAT ISLAND...THE EXUMAS...
LONG ISLAND...RUM CAY...AND SAN SALVADOR.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ISLA DE LA JUVENTUD...LA HABANA...CIUDAD DE LA HABANA...
MATANZAS...CIENFUEGOS...AND VILLA CLARA
* NORTHWESTERN BAHAMAS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* CENTRAL BAHAMAS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 36 HOURS.

INTERESTS IN THE CAYMAN ISLANDS...SOUTH FLORIDA...AND THE FLORIDA
KEYS SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.

POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 17.5N  84.5W AT 27/2100Z
POSITION ACCURATE WITHIN  50 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT   5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......  0NE  60SE  70SW   0NW.
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 17.5N  84.5W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 17.5N  84.2W

FORECAST VALID 28/0600Z 19.1N  84.1W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE  50SE  30SW   0NW.

FORECAST VALID 28/1800Z 21.7N  82.4W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE  50SE   0SW   0NW.

FORECAST VALID 29/0600Z 24.6N  79.6W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 70NE  90SE  30SW   0NW.

FORECAST VALID 29/1800Z 28.0N  75.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 90NE 120SE  60SW  30NW.

FORECAST VALID 30/1800Z...ABSORBED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.5N  84.5W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER BRENNAN


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