486 FKPA21 PHFO 190853 TCAPA1 TROPICAL STORM CALVIN ICAO ADVISORY NUMBER 31 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP032023 0900 UTC WED JUL 19 2023 TC ADVISORY DTG: 20230719/0900Z TCAC: PHFO TC: CALVIN ADVISORY NR: 2023/031 OBS PSN: 19/0900Z N1742 W15512 MOV: W 17KT INTST CHANGE: WKN C: 1003HPA MAX WIND: 045KT FCST PSN +3 HR: 19/1200Z N1744 W15609 FCST MAX WIND +3 HR: 045KT FCST PSN +9 HR: 19/1800Z N1748 W15806 FCST MAX WIND +9 HR: 045KT FCST PSN +15 HR: 20/0000Z N1757 W16000 FCST MAX WIND +15 HR: 045KT FCST PSN +21 HR: 20/0600Z N1806 W16154 FCST MAX WIND +21 HR: 040KT FCST PSN +27 HR: 20/1200Z N1812 W16351 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: 20230719/1500Z $$