787 FKPZ21 KNHC 300233 TCAPZ1 TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025 0300 UTC FRI MAY 30 2025 TC ADVISORY DTG: 20250530/0300Z TCAC: KNHC TC: ALVIN ADVISORY NR: 2025/006 OBS PSN: 30/0300Z N1600 W10754 MOV: NW 10KT INTST CHANGE: NC C: 0999HPA MAX WIND: 050KT FCST PSN +3 HR: 30/0600Z N1624 W10806 FCST MAX WIND +3 HR: 050KT FCST PSN +6 HR: 30/0900Z N1648 W10818 FCST MAX WIND +6 HR: 045KT FCST PSN +9 HR: 30/1200Z N1712 W10830 FCST MAX WIND +9 HR: 045KT FCST PSN +15 HR: 30/1800Z N1757 W10845 FCST MAX WIND +15 HR: 045KT FCST PSN +21 HR: 31/0000Z N1842 W10900 FCST MAX WIND +21 HR: 040KT FCST PSN +27 HR: 31/0600Z N1930 W10909 FCST MAX WIND +27 HR: 040KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20250530/0900Z $$