Nine was a TD Atlantic tropical cyclone that existed from August 9 to August 15, 2009 (7 days). It reached peak winds of 34 mph (30 kt) and a minimum central pressure of 1006 mb.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2009-08-09 00:00 | LO | 14.10 | -118.10 | 25 | 1010 | |
| 2009-08-09 06:00 | LO | 14.10 | -118.70 | 25 | 1010 | |
| 2009-08-09 12:00 | LO | 14.20 | -119.40 | 25 | 1008 | |
| 2009-08-09 18:00 | TD | 14.40 | -120.20 | 30 | 1007 | |
| 2009-08-10 00:00 | TD | 14.70 | -121.10 | 30 | 1007 | |
| 2009-08-10 06:00 | TD | 14.80 | -121.90 | 30 | 1006 | |
| 2009-08-10 12:00 | TD | 14.90 | -122.70 | 30 | 1006 | |
| 2009-08-10 18:00 | TD | 15.00 | -123.70 | 30 | 1006 | |
| 2009-08-11 00:00 | TD | 15.10 | -124.90 | 30 | 1006 | |
| 2009-08-11 06:00 | TD | 15.10 | -126.00 | 30 | 1006 | |
| 2009-08-11 12:00 | TD | 15.10 | -127.10 | 30 | 1006 | |
| 2009-08-11 18:00 | TD | 15.10 | -128.30 | 30 | 1006 | |
| 2009-08-12 00:00 | LO | 15.00 | -129.40 | 30 | 1007 | |
| 2009-08-12 06:00 | LO | 14.80 | -130.50 | 30 | 1007 | |
| 2009-08-12 12:00 | LO | 14.50 | -131.60 | 30 | 1007 | |
| 2009-08-12 18:00 | LO | 14.20 | -132.70 | 30 | 1007 | |
| 2009-08-13 00:00 | LO | 13.90 | -133.70 | 25 | 1007 | |
| 2009-08-13 06:00 | LO | 13.40 | -134.50 | 25 | 1007 | |
| 2009-08-13 12:00 | LO | 12.90 | -135.20 | 25 | 1007 | |
| 2009-08-13 18:00 | LO | 12.30 | -135.80 | 25 | 1008 | |
| 2009-08-14 00:00 | LO | 11.80 | -136.60 | 25 | 1009 | |
| 2009-08-14 06:00 | LO | 11.50 | -137.40 | 25 | 1009 | |
| 2009-08-14 12:00 | LO | 11.20 | -138.10 | 25 | 1009 | |
| 2009-08-14 18:00 | LO | 11.00 | -138.70 | 25 | 1009 | |
| 2009-08-15 00:00 | LO | 10.70 | -139.30 | 25 | 1009 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.