000 FKNT24 KNHC 262104 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 2100 UTC SUN AUG 26 2012 TC ADVISORY DTG: 20120826/2100Z TCAC: KNHC TC: ISAAC NR: 023 PSN: N2412 W08218 MOV: WNW 14KT C: 0994HPA MAX WIND: 050KT FCST PSN + 06 HR: 270300 N2448 W08322 FCST MAX WIND + 06 HR: 055KT FCST PSN + 12 HR: 270900 N2524 W08424 FCST MAX WIND + 12 HR: 055KT FCST PSN + 18 HR: 271500 N2600 W08524 FCST MAX WIND + 18 HR: 060KT FCST PSN + 24 HR: 272100 N2639 W08619 FCST MAX WIND + 24 HR: 065KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20120827/0300Z ..