Eleven was a TD Atlantic tropical cyclone that existed from August 16 to August 20, 2015 (5 days). It reached peak winds of 34 mph (30 kt) and a minimum central pressure of 1003 mb.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2015-08-16 00:00 | TD | 16.50 | -112.90 | 30 | 1003 | |
| 2015-08-16 06:00 | TD | 17.20 | -114.00 | 30 | 1003 | |
| 2015-08-16 12:00 | TD | 18.10 | -115.30 | 30 | 1003 | |
| 2015-08-16 18:00 | TD | 18.90 | -116.70 | 30 | 1003 | |
| 2015-08-17 00:00 | TD | 19.70 | -118.10 | 30 | 1003 | |
| 2015-08-17 06:00 | TD | 20.60 | -119.30 | 30 | 1004 | |
| 2015-08-17 12:00 | TD | 21.50 | -120.60 | 30 | 1004 | |
| 2015-08-17 18:00 | TD | 22.50 | -122.00 | 30 | 1004 | |
| 2015-08-18 00:00 | LO | 23.50 | -123.40 | 25 | 1005 | |
| 2015-08-18 06:00 | LO | 24.50 | -125.00 | 25 | 1005 | |
| 2015-08-18 12:00 | LO | 25.20 | -126.30 | 25 | 1006 | |
| 2015-08-18 18:00 | LO | 25.90 | -127.40 | 20 | 1007 | |
| 2015-08-19 00:00 | LO | 26.50 | -128.60 | 20 | 1007 | |
| 2015-08-19 06:00 | LO | 26.90 | -129.70 | 20 | 1008 | |
| 2015-08-19 12:00 | LO | 27.70 | -130.60 | 20 | 1009 | |
| 2015-08-19 18:00 | LO | 28.60 | -131.10 | 20 | 1010 | |
| 2015-08-20 00:00 | LO | 29.30 | -131.40 | 15 | 1010 |
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.