Track data from Joint Typhoon Warning Centre:
聯合颱風警告中心的熱帶氣旋路徑數據：

2025 Tropical Depression Iona (2025-01C)

Date & Time     Latitude  Longitude Course Speed Wind Gust Sea Wave Min Central
(GMT)       Int (deg N)   (deg E)   (deg)  (kt)  (kt) (kt) (ft)     Presure (hPa)
=========== === ========  ========= ====== ===== ==== ==== ======== =============
2025080206  TD  16.9      179.7     315    20    25   35   11       1008
2025080209  TD  17.3      178.9
2025080209  dissipated within 12 hours