000 FKPZ25 KNHC 280250 TCAPZ5 TROPICAL STORM IRWIN ICAO ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL EP102017 0300 UTC FRI JUL 28 2017 TC ADVISORY DTG: 20170728/0300Z TCAC: KNHC TC: IRWIN NR: 023 PSN: N1454 W12436 MOV: W 02KT C: 1000HPA MAX WIND: 050KT FCST PSN + 06 HR: 280900 N1450 W12444 FCST MAX WIND + 06 HR: 050KT FCST PSN + 12 HR: 281500 N1448 W12451 FCST MAX WIND + 12 HR: 050KT FCST PSN + 18 HR: 282100 N1448 W12457 FCST MAX WIND + 18 HR: 055KT FCST PSN + 24 HR: 290300 N1451 W12501 FCST MAX WIND + 24 HR: 055KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170728/0900Z ..