000 WTNT21 KNHC 180253 TCMAT1 TROPICAL STORM ARTHUR FORECAST/ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012020 0300 UTC MON MAY 18 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * SURF CITY TO DUCK NC * PAMLICO AND ALBEMARLE SOUNDS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. TROPICAL STORM CENTER LOCATED NEAR 32.4N 76.9W AT 18/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 45 KT. 34 KT....... 80NE 80SE 0SW 0NW. 12 FT SEAS..120NE 90SE 0SW 90NW. 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 32.4N 76.9W AT 18/0300Z AT 18/0000Z CENTER WAS LOCATED NEAR 31.8N 77.0W FORECAST VALID 18/1200Z 34.0N 75.6W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...100NE 120SE 0SW 40NW. FORECAST VALID 19/0000Z 35.8N 73.2W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 120SE 0SW 60NW. FORECAST VALID 19/1200Z 36.4N 70.0W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 40SE 0SW 0NW. 34 KT...130NE 130SE 40SW 100NW. FORECAST VALID 20/0000Z 36.0N 67.7W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 40SE 0SW 60NW. 34 KT...160NE 130SE 70SW 160NW. FORECAST VALID 20/1200Z 35.0N 66.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...180NE 120SE 70SW 160NW. FORECAST VALID 21/0000Z 33.8N 64.6W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. 34 KT...180NE 90SE 60SW 140NW. 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 22/0000Z 31.6N 62.0W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 23/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 32.4N 76.9W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 18/0600Z NEXT ADVISORY AT 18/0900Z $$ FORECASTER STEWART/BERG