


Aviation Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
116 FKPZ21 KNHC 311437 TCAPZ1 POST-TROPICAL CYCLONE ALVIN ICAO ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025 1500 UTC SAT MAY 31 2025 TC ADVISORY DTG: 20250531/1500Z TCAC: KNHC TC: ALVIN ADVISORY NR: 2025/012 OBS PSN: 31/1500Z N2042 W10930 MOV: N 08KT INTST CHANGE: WKN C: 1006HPA MAX WIND: 030KT FCST PSN +3 HR: 31/1800Z N2103 W10933 FCST MAX WIND +3 HR: 030KT FCST PSN +6 HR: 31/2100Z N2126 W10938 FCST MAX WIND +6 HR: 025KT FCST PSN +9 HR: 01/0000Z N2148 W10942 FCST MAX WIND +9 HR: 025KT FCST PSN +15 HR: 01/0600Z N//// W///// FCST MAX WIND +15 HR: ///KT FCST PSN +21 HR: 01/1200Z N//// W///// FCST MAX WIND +21 HR: ///KT FCST PSN +27 HR: 01/1800Z N//// W///// FCST MAX WIND +27 HR: ///KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: NO MSG EXP $$