000 FKPZ22 KNHC 200845 TCAPZ2 TROPICAL STORM GREG ICAO ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP072017 0900 UTC THU JUL 20 2017 TC ADVISORY DTG: 20170720/0900Z TCAC: KNHC TC: GREG NR: 012 PSN: N1406 W11442 MOV: W 09KT C: 1006HPA MAX WIND: 035KT FCST PSN + 06 HR: 201500 N1414 W11538 FCST MAX WIND + 06 HR: 040KT FCST PSN + 12 HR: 202100 N1424 W11636 FCST MAX WIND + 12 HR: 045KT FCST PSN + 18 HR: 210300 N1436 W11736 FCST MAX WIND + 18 HR: 050KT FCST PSN + 24 HR: 210900 N1448 W11839 FCST MAX WIND + 24 HR: 050KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170720/1500Z ..