812  
WTNT23 KNHC 272041  
TCMAT3  
 
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  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page