| Past track |
| 15th Sep 2012 | 17:32:50 | N 14° 0.000, W 123° 30.000 | 9 | 56 | 74 | Tropical Depression | 270 | 10 | 1003 MB | NOAA NHC |
| 16th Sep 2012 | 05:13:14 | N 13° 18.000, W 124° 6.000 | 11 | 65 | 83 | Tropical Storm | 280 | 16 | 1003 MB | NOAA NHC |
| 16th Sep 2012 | 18:01:44 | N 13° 48.000, W 125° 6.000 | 13 | 102 | 120 | Tropical Storm | 305 | 14 | 999 MB | NOAA NHC |
| 17th Sep 2012 | 05:21:23 | N 15° 0.000, W 125° 48.000 | 15 | 111 | 139 | Tropical Storm | 320 | 18 | 995 MB | NOAA NHC |
| 17th Sep 2012 | 10:50:02 | N 15° 54.000, W 126° 6.000 | 15 | 120 | 148 | Hurricane I. | 335 | 16 | 993 MB | NOAA NHC |
| 17th Sep 2012 | 16:40:20 | N 16° 42.000, W 126° 30.000 | 17 | 120 | 148 | Hurricane I. | 330 | 19 | 993 MB | NOAA NHC |
| 18th Sep 2012 | 05:19:28 | N 18° 24.000, W 127° 30.000 | 17 | 130 | 157 | Hurricane I. | 330 | 19 | 989 MB | NOAA NHC |
| 18th Sep 2012 | 10:47:17 | N 19° 18.000, W 127° 48.000 | 15 | 120 | 148 | Hurricane I. | 330 | 18 | 989 MB | NOAA NHC |
| 18th Sep 2012 | 16:45:17 | N 20° 6.000, W 127° 54.000 | 15 | 111 | 139 | Tropical Storm | 360 | 16 | 993 MB | NOAA NHC |
| 19th Sep 2012 | 05:31:25 | N 20° 48.000, W 130° 12.000 | 15 | 65 | 83 | Tropical Storm | 300 | 11 | 1006 MB | NOAA NHC |
| 19th Sep 2012 | 10:59:50 | N 20° 48.000, W 130° 54.000 | 15 | 56 | 74 | Tropical Depression | 290 | 18 | 1009 MB | NOAA NHC |
| 19th Sep 2012 | 17:36:35 | N 20° 54.000, W 131° 18.000 | 9 | 56 | 74 | Tropical Depression | 280 | 10 | 1009 MB | NOAA NHC |