000 WTNT21 KNHC 180834 TCMAT1 TROPICAL STORM ARTHUR FORECAST/ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012020 0900 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 12 TO 24 HOURS. TROPICAL STORM CENTER LOCATED NEAR 33.5N 76.6W AT 18/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 80NE 80SE 0SW 0NW. 12 FT SEAS..120NE 90SE 30SW 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 33.5N 76.6W AT 18/0900Z AT 18/0600Z CENTER WAS LOCATED NEAR 33.1N 76.8W FORECAST VALID 18/1800Z 35.2N 74.9W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...100NE 120SE 0SW 40NW. FORECAST VALID 19/0600Z 36.5N 72.1W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 120SE 0SW 60NW. FORECAST VALID 19/1800Z 36.5N 69.0W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 40SE 0SW 40NW. 34 KT...130NE 130SE 40SW 100NW. FORECAST VALID 20/0600Z 35.6N 66.5W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 40SE 0SW 60NW. 34 KT...160NE 130SE 70SW 160NW. FORECAST VALID 20/1800Z 34.4N 65.1W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...180NE 120SE 70SW 160NW. FORECAST VALID 21/0600Z 33.0N 64.5W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...160NE 90SE 60SW 120NW. 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 22/0600Z 31.0N 63.5W...POST-TROP/EXTRATROP MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 23/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.5N 76.6W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 18/1200Z NEXT ADVISORY AT 18/1500Z $$ FORECASTER BEVEN