Issued at 1500 UTC SUN SEP 16 2018 946 WTNT23 KNHC 161441TCMAT3POST-TROPICAL CYCLONE HELENE FORECAST/ADVISORY NUMBER 37NWS NATIONAL HURRICANE CENTER MIAMI FL AL0820181500 UTC SUN SEP 16 2018SUMMARY OF WATCHES AND WARNINGS IN EFFECT...NONE.INTERESTS IN IRELAND AND THE UNITED KINGDOM SHOULD CONSULT PRODUCTSFROM THEIR LOCAL METEOROLOGICAL SERVICE FOR INFORMATION ABOUTPOTENTIAL IMPACTS FROM POST-TROPICAL HELENE IN THOSE LOCATIONS.LOCAL FORECASTS AND WARNINGS FOR THE UK CAN BE FOUND ON THE WEBSITEOF THE UK MET OFFICE AT HTTPS... //WWW.METOFFICE.GOV.UK/. LOCALFORECASTS AND WARNINGS FOR IRELAND CAN BE FOUND ON THE WEBSITE OFMET EIREANN AT HTTPS... //WWW.MET.IE/.POST-TROPICAL CYCLONE CENTER LOCATED NEAR 43.8N 25.7W AT 16/1500ZPOSITION ACCURATE WITHIN 30 NMPRESENT MOVEMENT TOWARD THE NORTHEAST OR 55 DEGREES AT 25 KTESTIMATED MINIMUM CENTRAL PRESSURE 989 MBMAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.34 KT.......120NE 200SE 160SW 120NW.12 FT SEAS..150NE 270SE 330SW 240NW.WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICALMILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.REPEAT...CENTER LOCATED NEAR 43.8N 25.7W AT 16/1500ZAT 16/1200Z CENTER WAS LOCATED NEAR 43.1N 27.1WFORECAST VALID 17/0000Z 45.8N 21.2W...POST-TROP/EXTRATROPMAX WIND 50 KT...GUSTS 60 KT.50 KT... 0NE 120SE 120SW 0NW.34 KT...180NE 210SE 210SW 120NW.FORECAST VALID 17/1200Z 49.0N 14.8W...POST-TROP/EXTRATROPMAX WIND 50 KT...GUSTS 60 KT.50 KT... 0NE 120SE 0SW 0NW.34 KT...150NE 210SE 210SW 90NW.FORECAST VALID 18/0000Z 52.8N 6.2W...POST-TROP/EXTRATROPMAX WIND 40 KT...GUSTS 50 KT.34 KT...120NE 160SE 160SW 0NW.FORECAST VALID 18/1200Z...ABSORBEDREQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 43.8N 25.7WTHIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANECENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BEFOUND IN HIGH SEAS FORECASTS ISSUED BY METEO FRANCE...UNDER WMOHEADER FQNT50 LFPW, AND IN HIGH SEAS FORECASTS ISSUED BY THE UK METOFFICE...UNDER WMO HEADER FQNT21 EGRR.$$FORECASTER BROWN

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