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#982115 (Received by flhurricane at: 10:57 AM 13.Sep.2019) TCMAT4 POTENTIAL TROPICAL CYCLONE NINE FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092019 1500 UTC FRI SEP 13 2019 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTHWESTERN BAHAMAS EXCLUDING ANDROS ISLAND A TROPICAL STORM WATCH IS IN EFFECT FOR... * JUPITER INLET TO FLAGLER-VOLUSIA COUNTY LINE 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. INTERESTS ELSEWHERE ALONG THE EAST COAST OF FLORIDA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. ADDITIONAL WATCHES AND WARNINGS MAY BE REQUIRED FOR PORTIONS OF THIS AREA LATER TODAY. POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 25.0N 74.5W AT 13/1500Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 1 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. 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 25.0N 74.5W AT 13/1500Z AT 13/1200Z CENTER WAS LOCATED NEAR 25.0N 74.5W FORECAST VALID 14/0000Z 25.8N 76.5W...TROPICAL CYCLONE MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 14/1200Z 26.6N 78.0W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 60SE 0SW 30NW. FORECAST VALID 15/0000Z 28.0N 79.4W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 60SE 0SW 40NW. FORECAST VALID 15/1200Z 29.2N 80.0W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 20SE 0SW 20NW. 34 KT... 80NE 60SE 30SW 70NW. FORECAST VALID 16/1200Z 31.0N 79.0W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT... 90NE 100SE 40SW 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 17/1200Z 31.5N 75.0W MAX WIND 65 KT...GUSTS 80 KT. OUTLOOK VALID 18/1200Z 32.0N 71.5W MAX WIND 70 KT...GUSTS 85 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.0N 74.5W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 13/1800Z NEXT ADVISORY AT 13/2100Z $$ FORECASTER AVILA |