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| #1010341 (Received by flhurricane at: 4:56 PM 30.Jul.2020) TCMAT4 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 |