000 FKPZ22 KNHC 210842 TCAPZ2 TROPICAL STORM GREG ICAO ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL EP072017 0900 UTC FRI JUL 21 2017 TC ADVISORY DTG: 20170721/0900Z TCAC: KNHC TC: GREG NR: 016 PSN: N1430 W11818 MOV: W 09KT C: 1003HPA MAX WIND: 045KT FCST PSN + 06 HR: 211500 N1442 W11914 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 212100 N1455 W12013 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 220300 N1510 W12116 FCST MAX WIND + 18 HR: 055KT FCST PSN + 24 HR: 220900 N1522 W12221 FCST MAX WIND + 24 HR: 055KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170721/1500Z ..