December
- December 18
-
- 1500 UTC - Tropical Depression 25W forms near the northern tip of Borneo.
- December 19
-
- ca. 0300 UTC - Tropical Depression 25W (Quedan) strengthens into Tropical Storm 25W.
- December 20
- 0600 UTC - Tropical Storm 25W (Quedan) dissipates and advisories are discontinued.
Read more about this topic: Timeline Of The 2005 Pacific Typhoon Season