| 21 | 0300 FRI SEP 12 | Tropical Depression Lowell | 26N | 109W | N | 10 (9) | 1006 (29.71) | 25 (22) |
| 20 | 2100 THU SEP 11 | Tropical Depression Lowell | 24.9N | 108.9W | N | 12 (10) | 1003 (29.62) | 30 (26) |
| 19 | 1500 THU SEP 11 | Tropical Depression Lowell | 23.8N | 109.2W | NE | 10 (9) | 1001 (29.56) | 30 (26) |
| 18 | 0900 THU SEP 11 | Tropical Depression Lowell | 23.3N | 110.1W | ENE | 8 (7) | 1001 (29.56) | 30 (26) |
| 17A | 0600 THU SEP 11 | Tropical Depression Lowell | 23.3N | 110.7W | NE | 10 (9) | 1004 (29.65) | 35 (30) |
| 17 | 0300 THU SEP 11 | Tropical Depression Lowell | 23.1N | 111.3W | NE | 8 (7) | 1000 (29.53) | 35 (30) |
| 16A | 0000 THU SEP 11 | Tropical Depression Lowell | 22.9N | 111.6W | NE | 7 (6) | 1001 (29.56) | 35 (30) |
| 16 | 2100 WED SEP 10 | Tropical Depression Lowell | 22.8N | 111.9W | NE | 7 (6) | 1005 (29.68) | 35 (30) |
| 15A | 1800 WED SEP 10 | Tropical Depression Lowell | 22.6N | 112W | NE | 7 (6) | 1005 (29.68) | 35 (30) |
| 15 | 1500 WED SEP 10 | Tropical Depression Lowell | 22.3N | 112.1W | NE | 7 (6) | 1005 (29.68) | 35 (30) |
| 14A | 1200 WED SEP 10 | Tropical Depression Lowell | 22N | 112.3W | NNE | 7 (6) | 1005 (29.68) | 35 (30) |
| 14 | 0900 WED SEP 10 | Tropical Depression Lowell | 21.9N | 112.7W | NNE | 7 (6) | 1005 (29.68) | 35 (30) |
| 13A | 0600 WED SEP 10 | Tropical Storm Lowell | 21.5N | 113W | NNE | 6 (5) | 1004 (29.65) | 40 (35) |
| 13 | 0300 WED SEP 10 | Tropical Storm Lowell | 21.3N | 113.1W | NNE | 6 (5) | 1002 (29.59) | 45 (39) |
| 12A | 0000 WED SEP 10 | Tropical Storm Lowell | 21.1N | 113.2W | N | 5 (4) | 1002 (29.59) | 45 (39) |
| 12 | 2100 TUE SEP 09 | Tropical Storm Lowell | 20.9N | 113.2W | N | 3 (3) | 1002 (29.59) | 45 (39) |
| 11 | 1500 TUE SEP 09 | Tropical Storm Lowell | 21N | 113.5W | NW | 7 (6) | 1002 (29.59) | 45 (39) |
| 10 | 0900 TUE SEP 09 | Tropical Storm Lowell | 20.7N | 112.9W | NW | 8 (7) | 1000 (29.53) | 50 (43) |
| 9 | 0300 TUE SEP 09 | Tropical Storm Lowell | 20.2N | 112.5W | NW | 8 (7) | 997 (29.44) | 60 (52) |
| 8 | 2100 MON SEP 08 | Tropical Storm Lowell | 19.8N | 112.1W | NW | 12 (10) | 1000 (29.53) | 50 (43) |
| 7 | 1500 MON SEP 08 | Tropical Storm Lowell | 19N | 111.2W | NW | 9 (8) | 1000 (29.53) | 50 (43) |
| 6 | 0900 MON SEP 08 | Tropical Storm Lowell | 18.2N | 110.6W | WNW | 10 (9) | 998 (29.47) | 60 (52) |
| 5 | 0300 MON SEP 08 | Tropical Storm Lowell | 18.2N | 109.8W | WNW | 12 (10) | 996 (29.41) | 60 (52) |
| 4 | 2100 SUN SEP 07 | Tropical Storm Lowell | 17.9N | 108.8W | NW | 12 (10) | 996 (29.41) | 50 (43) |
| 3 | 1500 SUN SEP 07 | Tropical Storm Lowell | 17.2N | 108.1W | WNW | 12 (10) | 998 (29.47) | 45 (39) |
| 2 | 0900 SUN SEP 07 | Tropical Storm Lowell | 16.6N | 107.2W | WNW | 12 (10) | 1000 (29.53) | 40 (35) |
| 1 | 0300 SUN SEP 07 | Tropical Storm Lowell | 15.7N | 106.4W | WNW | 12 (10) | 1000 (29.53) | 40 (35) |