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

2021 Tropical Depression (2021-12W)

Date & Time     Latitude  Longitude Course Speed Wind Gust Sea Wave
(GMT)       Int (deg N)   (deg E)   (deg)  (kt)  (kt) (kt) (ft)
=========== === ========  ========= ====== ===== ==== ==== ========
2021080206  TD  22.9      154.2     335    16    25   35   10
2021080209  TD  23.5      153.9
2021080212  TD  23.7      153.7     330    9     30   40   12
2021080215  TD  24.2      153.3
2021080218  TD  23.7      153.7     330    9     30   40   12
2021080221  TD  24.2      153.3
2021080300  TD  26.6      152.1     320    16    30   40   10
2021080303  TD  27.0      151.5
2021080306  TD  27.5      150.8     310    15    25   35   10
2021080309  TD  27.8      150.2
2021080309  dissipated within 12 hours
(Regeneration)
2021080418  TD  29.4      140.4     260    15    25   35   18
2021080421  TD  29.3      139.7
2021080500  TD  29.0      139.0     250    13    25   35   12
2021080503  TD  29.1      138.5
2021080506  TD  29.3      137.9     265    11    25   35   10
2021080509  TD  29.5      137.5
2021080512  TD  29.4      137.1     270    7     25   35   10
2021080515  TD  29.6      136.6
2021080518  TD  30.3      136.5     330    8     25   35   10
2021080521  TD  30.5      136.0
2021080600  TD  31.1      135.0     300    15    25   35   12
2021080603  TD  31.1      134.5
2021080603  dissipated within 12 hours