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View Full Version : Hurricane Maria Forecast Advisory Number 18



Belizeans.com
09-20-2017, 12:01 PM
Issued at 1500 UTC WED SEP 20 2017 000WTNT25 KNHC 201439TCMAT5HURRICANE MARIA FORECAST/ADVISORY NUMBER 18NWS NATIONAL HURRICANE CENTER MIAMI FL AL1520171500 UTC WED SEP 20 2017CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...THE GOVERNMENT OF FRANCE HAS DISCONTINUED THE TROPICAL STORM WARNINGFOR ST. MARTIN AND ST. BARTHELEMY.THE GOVERNMENT OF ST. MAARTEN HAS DISCONTINUED THE TROPICAL STORMWARNING AND HURRICANE WATCH FOR ST. MAARTEN.THE GOVERNMENT OF THE NETHERLANDS HAS DISCONTINUED THE TROPICALSTORM WARNING FOR SABA.SUMMARY OF WATCHES AND WARNINGS IN EFFECT...A HURRICANE WARNING IS IN EFFECT FOR...* U.S. VIRGIN ISLANDS* BRITISH VIRGIN ISLANDS* PUERTO RICO...CULEBRA...AND VIEQUES* DOMINICAN REPUBLIC FROM CABO ENGANO TO PUERTO PLATA* TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMASA TROPICAL STORM WARNING IS IN EFFECT FOR...* DOMINICAN REPUBLIC WEST OF PUERTO PLATA TO THE NORTHERN BORDER OFTHE DOMINICAN REPUBLIC AND HAITI* DOMINICAN REPUBLIC WEST OF CABO ENGANO TO PUNTA PALENQUEA HURRICANE WATCH IS IN EFFECT FOR...* DOMINICAN REPUBLIC FROM ISLA SAONA TO CABO ENGANOA HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTEDSOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE ANDPROPERTY SHOULD BE RUSHED TO COMPLETION.A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS AREEXPECTED SOMEWHERE WITHIN THE WARNING AREA.A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLEWITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORETHE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.INTERESTS ELSEWHERE IN HISPANIOLA AND THE BAHAMAS SHOULD MONITOR THEPROGRESS OF MARIA.HURRICANE CENTER LOCATED NEAR 18.4N 66.5W AT 20/1500ZPOSITION ACCURATE WITHIN 20 NMPRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 10 KTESTIMATED MINIMUM CENTRAL PRESSURE 930 MBMAX SUSTAINED WINDS 120 KT WITH GUSTS TO 145 KT.64 KT....... 50NE 45SE 35SW 40NW.50 KT....... 80NE 70SE 60SW 80NW.34 KT.......130NE 110SE 100SW 110NW.12 FT SEAS..210NE 180SE 180SW 150NW.WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICALMILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.REPEAT...CENTER LOCATED NEAR 18.4N 66.5W AT 20/1500ZAT 20/1200Z CENTER WAS LOCATED NEAR 18.2N 66.1WFORECAST VALID 21/0000Z 19.2N 67.6WMAX WIND 120 KT...GUSTS 145 KT.64 KT... 50NE 45SE 35SW 40NW.50 KT... 80NE 80SE 60SW 80NW.34 KT...140NE 120SE 110SW 120NW.FORECAST VALID 21/1200Z 20.2N 69.0WMAX WIND 125 KT...GUSTS 150 KT.64 KT... 50NE 50SE 40SW 45NW.50 KT... 80NE 80SE 60SW 80NW.34 KT...140NE 120SE 110SW 120NW.FORECAST VALID 22/0000Z 21.2N 70.1WMAX WIND 125 KT...GUSTS 150 KT.64 KT... 50NE 50SE 40SW 45NW.50 KT... 90NE 80SE 60SW 80NW.34 KT...140NE 130SE 110SW 130NW.FORECAST VALID 22/1200Z 22.4N 71.0WMAX WIND 120 KT...GUSTS 145 KT.50 KT... 90NE 80SE 60SW 80NW.34 KT...150NE 150SE 110SW 130NW.FORECAST VALID 23/1200Z 25.3N 72.4WMAX WIND 110 KT...GUSTS 135 KT.50 KT...100NE 90SE 70SW 90NW.34 KT...170NE 170SE 130SW 150NW.EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NMON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAYOUTLOOK VALID 24/1200Z 28.5N 73.0WMAX WIND 100 KT...GUSTS 120 KT.OUTLOOK VALID 25/1200Z 31.5N 73.0WMAX WIND 90 KT...GUSTS 110 KT.REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.4N 66.5WNEXT ADVISORY AT 20/2100Z$$FORECASTER BERG

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