742 WTNT23 KNHC 152032 TCMAT3 TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 34 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 2100 UTC SAT SEP 15 2018 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * ALL OF THE AZORES ISLANDS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN 12 TO 24 HOURS. INTERESTS IN IRELAND AND THE UNITED KINGDOM SHOULD CONSULT PRODUCTS FROM THEIR LOCAL METEOROLOGICAL SERVICE FOR INFORMATION ABOUT POTENTIAL IMPACTS FROM HELENE IN THOSE LOCATIONS. LOCAL FORECASTS AND WARNINGS FOR THE UK CAN BE FOUND ON THE WEBSITE OF THE UK MET OFFICE AT HTTPS... //WWW.METOFFICE.GOV.UK/ . LOCAL FORECASTS AND WARNINGS FOR IRELAND CAN BE FOUND ON THE WEBSITE OF MET EIREANN AT HTTPS... //WWW.MET.IE/ . TROPICAL STORM CENTER LOCATED NEAR 40.2N 32.1W AT 15/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 21 KT ESTIMATED MINIMUM CENTRAL PRESSURE 989 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 50NE 50SE 0SW 0NW. 34 KT.......140NE 160SE 70SW 120NW. 12 FT SEAS..180NE 270SE 240SW 240NW. 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 40.2N 32.1W AT 15/2100Z AT 15/1800Z CENTER WAS LOCATED NEAR 39.5N 33.1W FORECAST VALID 16/0600Z 41.9N 29.2W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 60SE 20SW 20NW. 34 KT...140NE 160SE 80SW 120NW. FORECAST VALID 16/1800Z 44.4N 24.1W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 50SE 40SW 30NW. 34 KT...140NE 160SE 120SW 120NW. FORECAST VALID 17/0600Z 47.2N 17.9W...POST-TROP/EXTRATROP MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 60SE 60SW 30NW. 34 KT...140NE 160SE 160SW 120NW. FORECAST VALID 17/1800Z 51.2N 11.1W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 60SE 60SW 0NW. 34 KT...140NE 160SE 160SW 120NW. FORECAST VALID 18/1800Z 61.0N 1.0E...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT...140NE 180SE 140SW 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 19/1800Z...ABSORBED BY EXTRATROPICAL LOW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.2N 32.1W NEXT ADVISORY AT 16/0300Z $$ FORECASTER BEVEN