000 FKNT24 KNHC 250235 TCANT4 HURRICANE HARVEY ICAO ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 0300 UTC FRI AUG 25 2017 TC ADVISORY DTG: 20170825/0300Z TCAC: KNHC TC: HARVEY NR: 019 PSN: N2512 W09436 MOV: NW 09KT C: 0973HPA MAX WIND: 075KT FCST PSN + 06 HR: 250900 N2548 W09516 FCST MAX WIND + 06 HR: 090KT FCST PSN + 12 HR: 251500 N2622 W09549 FCST MAX WIND + 12 HR: 100KT FCST PSN + 18 HR: 252100 N2655 W09616 FCST MAX WIND + 18 HR: 105KT FCST PSN + 24 HR: 260300 N2725 W09639 FCST MAX WIND + 24 HR: 110KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170825/0900Z ..