000 FKNT24 KNHC 261458 TCANT4 TROPICAL STORM ISAAC ICAO ADVISORY NUMBER 22 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 1500 UTC SUN AUG 26 2012 TC ADVISORY DTG: 20120826/1500Z TCAC: KNHC TC: ISAAC NR: 022 PSN: N2354 W08048 MOV: WNW 16KT C: 0995HPA MAX WIND: 055KT FCST PSN + 06 HR: 262100 N2438 W08204 FCST MAX WIND + 06 HR: 060KT FCST PSN + 12 HR: 270300 N2516 W08313 FCST MAX WIND + 12 HR: 065KT FCST PSN + 18 HR: 270900 N2549 W08416 FCST MAX WIND + 18 HR: 070KT FCST PSN + 24 HR: 271500 N2625 W08512 FCST MAX WIND + 24 HR: 070KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20120826/2100Z ..