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TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092020
0900 UTC THU JUL 30 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE TROPICAL STORM WARNING FOR ST. MARTIN...ST. BARTHELEMY...ST.
MAARTEN...SABA AND ST. EUSTATIUS HAS BEEN DISCONTINUED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...CULEBRA
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS
* 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
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTHWESTERN BAHAMAS INCLUDING ANDROS ISLAND...NEW
PROVIDENCE...ELEUTHERA...ABACOS ISLANDS...BERRY ISLANDS...GRAND
BAHAMAS ISLAND...AND BIMINI
 
INTERESTS IN CUBA AND THE FLORIDA PENINSULA SHOULD MONITOR THE
PROGRESS OF THIS SYSTEM.
 
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 17.2N  67.9W AT 30/0900Z
POSITION ACCURATE WITHIN  75 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT  18 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 90NE   0SE   0SW   0NW.
34 KT.......360NE  60SE   0SW 240NW.
12 FT SEAS..420NE   0SE   0SW 300NW.
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 17.2N  67.9W AT 30/0900Z
AT 30/0600Z CENTER WAS LOCATED NEAR 16.7N  67.2W
 
FORECAST VALID 30/1800Z 18.8N  70.2W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...240NE  90SE   0SW 180NW.
 
FORECAST VALID 31/0600Z 20.6N  72.9W...OVER WATER
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...180NE  90SE   0SW 150NW.
 
FORECAST VALID 31/1800Z 22.3N  75.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE   0SE   0SW   0NW.
34 KT...140NE  90SE  30SW 100NW.
 
FORECAST VALID 01/0600Z 24.0N  77.9W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  20SE   0SW  20NW.
34 KT...120NE  90SE  50SW  90NW.
 
FORECAST VALID 01/1800Z 25.5N  79.2W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  30SE  20SW  20NW.
34 KT...120NE  90SE  50SW  70NW.
 
FORECAST VALID 02/0600Z 27.3N  80.0W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  30SE  20SW  20NW.
34 KT...120NE  90SE  50SW  70NW.
 
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 03/0600Z 31.0N  80.0W
MAX WIND  60 KT...GUSTS  75 KT.
 
OUTLOOK VALID 04/0600Z 37.0N  74.5W
MAX WIND  60 KT...GUSTS  75 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.2N  67.9W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/1200Z
 
NEXT ADVISORY AT 30/1500Z
 
$$
FORECASTER BLAKE
 
 
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