000 FKNT24 KNHC 130430 TCANT4 TROPICAL STORM NICHOLAS SPECIAL ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142021 0430 UTC MON SEP 13 2021 TC ADVISORY DTG: 20210913/0430Z TCAC: KNHC TC: NICHOLAS ADVISORY NR: 2021/004 OBS PSN: 13/0430Z N2448 W09618 MOV: NNW 10KT INTST CHANGE: INTSF C: 1008HPA MAX WIND: 045KT FCST PSN +6 HR: 13/0900Z N2529 W09631 FCST MAX WIND +6 HR: 050KT FCST PSN +12 HR: 13/1500Z N2630 W09640 FCST MAX WIND +12 HR: 050KT FCST PSN +18 HR: 13/2100Z N2730 W09637 FCST MAX WIND +18 HR: 055KT FCST PSN +24 HR: 14/0300Z N2821 W09631 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: 20210913/0900Z $$