412  
WTNT23 KNHC 281458  
TCMAT3  
 
TROPICAL DEPRESSION EIGHTEEN FORECAST/ADVISORY NUMBER 4  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182017  
1500 UTC SAT OCT 28 2017  
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...  
 
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR PORTIONS OF SOUTHEASTERN  
FLORIDA AND THE UPPER FLORIDA KEYS FROM CRAIG KEY TO GOLDEN BEACH.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* CUBAN PROVINCES OF 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...  
* CRAIG KEY TO GOLDEN BEACH  
* CENTRAL BAHAMAS  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN  
THE NEXT 12-24 HOURS.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS.  
 
INTERESTS IN THE CAYMAN ISLANDS SHOULD MONITOR THE PROGRESS OF THIS  
SYSTEM.  
 
TROPICAL DEPRESSION CENTER LOCATED NEAR 20.8N 82.9W AT 28/1500Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 19 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB  
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.  
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 20.8N 82.9W AT 28/1500Z  
AT 28/1200Z CENTER WAS LOCATED NEAR 19.9N 83.5W  
 
FORECAST VALID 29/0000Z 23.0N 81.8W  
MAX WIND 35 KT...GUSTS 45 KT.  
34 KT... 50NE 120SE 0SW 0NW.  
 
FORECAST VALID 29/1200Z 26.6N 78.5W  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT...120NE 120SE 50SW 0NW.  
 
FORECAST VALID 30/0000Z 31.5N 74.0W  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT...120NE 150SE 100SW 0NW.  
 
FORECAST VALID 30/1200Z 37.5N 69.5W...POST-TROP/EXTRATROP  
MAX WIND 50 KT...GUSTS 60 KT.  
50 KT... 60NE 60SE 30SW 0NW.  
34 KT...150NE 150SE 120SW 30NW.  
 
FORECAST VALID 31/1200Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.8N 82.9W  
 
NEXT ADVISORY AT 28/2100Z  
 

 
FORECASTER STEWART  
 
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