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TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092020
2100 UTC THU JUL 30 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
FOR THE NORTHWEST BAHAMAS.
 
A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE EAST COAST OF
FLORIDA FROM OCEAN REEF NORTHWARD TO SEBASTIAN INLET.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC ENTIRE SOUTHERN AND NORTHERN COASTLINES
* NORTH COAST OF HAITI FROM LE MOLE ST NICHOLAS EASTWARD TO THE
NORTHERN BORDER WITH THE DOMINICAN REPUBLIC
* TURKS AND CAICOS ISLANDS
* SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED ISLAND...LONG
CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED ISLANDS
* CENTRAL BAHAMAS...INCLUDING CAT ISLAND...THE EXUMAS...LONG
ISLAND...RUM CAY...AND SAN SALVADOR
* NORTHWESTERN BAHAMAS INCLUDING ANDROS ISLAND...NEW
PROVIDENCE...ELEUTHERA...ABACOS ISLANDS...BERRY ISLANDS...GRAND
BAHAMAS ISLAND...AND
BIMINI
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* EAST COAST OF FLORIDA FROM OCEAN REEF TO SEBASTIAN INLET.
 
THE TROPICAL STORM WARNINGS FOR THE CENTRAL AND NORTHWEST BAHAMAS
MAY BE UPGRADED TO HURRICANE WARNINGS THIS EVENING OR TONIGHT.
 
INTERESTS ELSEWHERE ALONG THE SOUTHEAST COAST OF THE UNITED
STATES SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.  ADDITIONAL
WATCHES OR WARNINGS MAY BE REQUIRED FOR A PORTION OF THE FLORIDA
PENINSULA TONIGHT OR FRIDAY.
 
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...GENERALLY WITHIN 48 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 19.5N  70.6W AT 30/2100Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT  17 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 80NE   0SE   0SW   0NW.
34 KT.......210NE 120SE   0SW 180NW.
12 FT SEAS..420NE 120SE   0SW 360NW.
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 19.5N  70.6W AT 30/2100Z
AT 30/1800Z CENTER WAS LOCATED NEAR 19.0N  69.9W
 
FORECAST VALID 31/0600Z 20.8N  72.7W...OVER WATER
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 60NE  30SE   0SW   0NW.
34 KT...200NE  90SE  30SW 150NW.
 
FORECAST VALID 31/1800Z 22.7N  75.1W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  30SE   0SW  20NW.
34 KT...160NE  90SE  40SW 140NW.
 
FORECAST VALID 01/0600Z 24.5N  77.1W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW  20NW.
50 KT... 40NE  30SE  20SW  40NW.
34 KT...120NE  90SE  40SW 100NW.
 
FORECAST VALID 01/1800Z 26.1N  78.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW  20NW.
50 KT... 40NE  30SE  15SW  40NW.
34 KT...110NE  90SE  50SW  90NW.
 
FORECAST VALID 02/0600Z 27.7N  79.5W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 40NE  30SE  15SW  40NW.
34 KT...110NE  90SE  50SW  80NW.
 
FORECAST VALID 02/1800Z 29.2N  79.7W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 40NE  30SE  15SW  40NW.
34 KT...110NE  90SE  50SW  80NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 03/1800Z 33.3N  78.0W
MAX WIND  65 KT...GUSTS  80 KT.
 
OUTLOOK VALID 04/1800Z 40.0N  71.0W
MAX WIND  60 KT...GUSTS  75 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.5N  70.6W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 31/0000Z
 
NEXT ADVISORY AT 31/0300Z
 
$$
FORECASTER BROWN
 
 
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