914  
WTNT33 KNHC 041146  
TCPAT3  
 
BULLETIN  
POTENTIAL TROPICAL CYCLONE EIGHTEEN INTERMEDIATE ADVISORY NUMBER 3A  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182024  
700 AM EST MON NOV 04 2024  
   
..SYSTEM EXPECTED TO BECOME A TROPICAL DEPRESSION SOON
 
 
...FORECAST TO STRENGTHEN AS IT MOVES ACROSS THE WESTERN  
CARIBBEAN...  
 
 
SUMMARY OF 700 AM EST...1200 UTC...INFORMATION  
----------------------------------------------  
LOCATION...14.8N 76.8W  
ABOUT 220 MI...355 KM S OF KINGSTON JAMAICA  
ABOUT 425 MI...685 KM SE OF GRAND CAYMAN  
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H  
PRESENT MOVEMENT...N OR 360 DEGREES AT 7 MPH...11 KM/H  
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A HURRICANE WATCH IS IN EFFECT FOR...  
* CAYMAN ISLANDS  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* JAMAICA  
 
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.  
 
INTERESTS IN CUBA AND THE FLORIDA KEYS SHOULD CLOSELY MONITOR THIS  
SYSTEM. ADDITIONAL WATCHES OR WARNINGS COULD BE REQUIRED TODAY.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 700 AM EST (1200 UTC), THE DISTURBANCE WAS CENTERED NEAR LATITUDE  
14.8 NORTH, LONGITUDE 76.8 WEST. THE SYSTEM IS MOVING TOWARD THE  
NORTH NEAR 7 MPH (11 KM/H). A NORTHWESTWARD MOTION IS EXPECTED  
LATER TODAY AND FORECAST TO CONTINUE FOR THE NEXT FEW DAYS. ON  
THE FORECAST TRACK, THE SYSTEM IS EXPECTED TO MOVE NEAR JAMAICA  
THIS EVENING, 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.  
THE DISTURBANCE IS EXPECTED TO BECOME A TROPICAL DEPRESSION OR STORM  
TODAY WITH ADDITIONAL STRENGTHENING FORECAST THEREAFTER. THE SYSTEM  
COULD BE NEAR OR AT HURRICANE INTENSITY WHEN IT PASSES NEAR THE  
CAYMAN ISLANDS AND CUBA.  
* FORMATION CHANCE THROUGH 48 HOURS ...HIGH...NEAR 100 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS... HIGH...NEAR 100 PERCENT.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB (29.62 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR POTENTIAL TROPICAL CYCLONE 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 POSSIBLE IN THE CAYMAN ISLANDS BY  
TUESDAY AFTERNOON. TROPICAL STORM CONDITIONS ARE EXPECTED IN  
JAMAICA BY THIS EVENING.  
 
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  
POTENTIAL TROPICAL CYCLONE 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 ON  
MONDAY AND THE CAYMAN ISLANDS ON TUESDAY.  
 
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 COMPLETE ADVISORY AT 1000 AM EST.  
 

 
FORECASTER CANGIALOSI  
 
 
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