061  
WTNT33 KNHC 041754  
TCPAT3  
 
BULLETIN  
TROPICAL DEPRESSION EIGHTEEN ADVISORY NUMBER 4  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182024  
1000 AM EST MON NOV 04 2024  
   
..SYSTEM BECOMES A TROPICAL DEPRESSION  
   
..HURRICANE WATCH ISSUED FOR PORTIONS OF CUBA  
 
 
 
SUMMARY OF 1000 AM EST...1500 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...15.2N 76.9W  
ABOUT 195 MI...310 KM S OF KINGSTON JAMAICA  
ABOUT 400 MI...645 KM SE OF GRAND CAYMAN  
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H  
PRESENT MOVEMENT...N OR 10 DEGREES AT 9 MPH...15 KM/H  
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
THE GOVERNMENT OF CUBA HAS ISSUED A HURRICANE WATCH FOR THE  
PROVINCES OF PINAR DEL RIO, ARTEMISA, LA HABANA, MAYABEQUE,  
MATANZAS, AND THE ISLE OF YOUTH, AND A TROPICAL STORM WATCH  
FOR VILLA CLARA, CIENFUEGOS, SANCTI SPIRITUS, CIEGO DE AVILA,  
CAMAGUEY, AND LAS TUNAS.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A HURRICANE WARNING IS IN EFFECT FOR...  
* CAYMAN ISLANDS  
 
A HURRICANE WATCH IS IN EFFECT FOR...  
* CUBAN PROVINCES OF PINAR DEL RIO, ARTEMISA, LA HABANA,  
MAYABEQUE, MATANZAS, AND THE ISLE OF YOUTH  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* JAMAICA  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* CUBAN PROVINCES OF VILLA CLARA, CIENFUEGOS, SANCTI SPIRITUS, CIEGO  
DE AVILA, CAMAGUEY, AND LAS TUNAS  
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36  
HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF  
TROPICAL-STORM-FORCE WINDS, CONDITIONS THAT MAKE OUTSIDE  
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE  
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.SYSTEM. ADDITIONAL  
WATCHES OR WARNINGS COULD BE REQUIRED TODAY.  
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE  
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE  
THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS,  
CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA, IN THIS CASE WITHIN 24  
HOURS.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
INTERESTS ELSEWHERE IN CUBA AND THE FLORIDA KEYS SHOULD CLOSELY  
MONITOR THIS SYSTEM.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 1000 AM EST (1500 UTC), THE CENTER OF TROPICAL DEPRESSION  
EIGHTEEN WAS LOCATED NEAR LATITUDE 15.2 NORTH, LONGITUDE 76.9 WEST.  
THE DEPRESSION IS MOVING TOWARD THE NORTH NEAR 9 MPH (15 KM/H). A  
NORTHWESTWARD MOTION IS EXPECTED TO BEGIN LATER TODAY AND FORECAST  
TO CONTINUE FOR THE NEXT FEW DAYS. ON THE FORECAST TRACK, THE SYSTEM  
IS EXPECTED TO MOVE NEAR JAMAICA TONIGHT, BE NEAR OR OVER THE CAYMAN  
ISLANDS ON TUESDAY, AND APPROACH CUBA ON WEDNESDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH (55 KM/H) WITH HIGHER GUSTS.  
STEADY STRENGTHENING IS FORECAST, AND THE DEPRESSION IS EXPECTED TO  
BECOME A TROPICAL STORM LATER TODAY AND A HURRICANE BY WEDNESDAY.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB (29.62 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR TROPICAL DEPRESSION EIGHTEEN CAN BE FOUND IN THE  
TROPICAL CYCLONE DISCUSSION UNDER AWIPS HEADER MIATCDAT3 AND WMO  
HEADER WTNT43 KNHC AND ON THE WEB AT  
HURRICANES.GOV/TEXT/MIATCDAT3.SHTML  
 
WIND: HURRICANE CONDITIONS ARE EXPECTED IN THE CAYMAN ISLANDS BY  
TUESDAY AFTERNOON AND ARE POSSIBLE IN WESTERN CUBA AND THE ISLE OF  
YOUTH ON WEDNESDAY. TROPICAL STORM CONDITIONS ARE EXPECTED IN  
JAMAICA BY THIS EVENING AND ARE POSSIBLE IN CENTRAL CUBA ON  
WEDNESDAY.  
 
RAINFALL: HEAVY RAINFALL WILL IMPACT AREAS OF THE WESTERN CARIBBEAN  
WITH THE HEAVIEST RAINFALL OCCURRING OVER JAMAICA AND PORTIONS OF  
CUBA THROUGH MID-WEEK. RAINFALL TOTALS BETWEEN 3 TO 6 INCHES WITH  
LOCALLY UP TO 9 INCHES ARE EXPECTED. FLOODING COULD OCCUR OVER  
PORTIONS OF JAMAICA AND CUBA, WITH MUDSLIDES POSSIBLE.  
 
HEAVY RAINFALL WILL SPREAD NORTH INTO FLORIDA AND ADJACENT AREAS OF  
THE SOUTHEAST UNITED STATES DURING MID- TO LATE WEEK.  
 
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH  
TROPICAL DEPRESSION EIGHTEEN, PLEASE SEE THE NATIONAL WEATHER  
SERVICE STORM TOTAL RAINFALL GRAPHIC, AVAILABLE AT  
HTTPS://WWW.NHC.NOAA.GOV/GRAPHICS_AT3.SHTML?RAINQPF  
 
STORM SURGE: MINOR COASTAL FLOODING IS POSSIBLE IN JAMAICA TONIGHT  
AND THE CAYMAN ISLANDS ON TUESDAY. STORM SURGE COULD RAISE WATER  
LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS IN AREAS  
OF ONSHORE WINDS ALONG THE SOUTHERN COAST OF PINAR DEL RIO, CUBA,  
INCLUDING THE ISLE OF YOUTH.  
 
SURF: SWELLS GENERATED BY THE SYSTEM ARE EXPECTED TO AFFECT MUCH  
OF THE WESTERN CARIBBEAN DURING THE NEXT FEW DAYS. PLEASE CONSULT  
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
 
NEXT ADVISORY  
-------------  
NEXT INTERMEDIATE ADVISORY AT 100 PM EST.  
NEXT COMPLETE ADVISORY AT 400 PM EST.  
 
 
FORECASTER CANGIALOSI/KELLY  
 
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