000 FKPA23 PHFO 171436 TCAPA3 TROPICAL STORM GREG ICAO ADVISORY NUMBER 15 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP082023 1500 UTC THU AUG 17 2023 TC ADVISORY DTG: 20230817/1500Z TCAC: PHFO TC: GREG ADVISORY NR: 2023/015 OBS PSN: 17/1500Z N1154 W15536 MOV: W 11KT INTST CHANGE: WKN C: 1006HPA MAX WIND: 035KT FCST PSN +3 HR: 17/1800Z N1156 W15612 FCST MAX WIND +3 HR: 035KT FCST PSN +9 HR: 18/0000Z N1200 W15724 FCST MAX WIND +9 HR: 035KT FCST PSN +15 HR: 18/0600Z N1157 W15839 FCST MAX WIND +15 HR: 035KT FCST PSN +21 HR: 18/1200Z N1154 W15954 FCST MAX WIND +21 HR: 030KT FCST PSN +27 HR: 18/1800Z N1142 W16112 FCST MAX WIND +27 HR: 030KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20230817/2100Z $$