二零一一熱帶氣旋
颱風納沙(1117)的每六小時位置及強度
| 月份 | 日期 | 時間 (協調世界時) |
強度 | 估計最低 中心氣壓 (百帕斯卡) |
估計最 高風速 (米每秒) |
北緯 °N |
東經 °E |
| 九月 | 23 | 1200 | T.D. | 1000 | 13 | 13.3 | 138.0 |
| 1800 | T.D. | 1000 | 13 | 13.6 | 137.3 | ||
| 24 | 0000 | T.D. | 998 | 16 | 14.0 | 136.3 | |
| 0600 | T.S. | 994 | 18 | 14.7 | 135.2 | ||
| 1200 | T.S. | 992 | 21 | 14.8 | 133.8 | ||
| 1800 | T.S. | 990 | 23 | 14.8 | 132.3 | ||
| 25 | 0000 | S.T.S. | 985 | 25 | 14.7 | 131.1 | |
| 0600 | S.T.S. | 980 | 28 | 14.6 | 129.3 | ||
| 1200 | S.T.S. | 976 | 31 | 14.9 | 128.3 | ||
| 1800 | S.T.S. | 976 | 31 | 15.1 | 127.1 | ||
| 26 | 0000 | T. | 970 | 33 | 15.3 | 126.1 | |
| 0600 | T. | 970 | 33 | 15.6 | 125.1 | ||
| 1200 | T. | 960 | 39 | 15.9 | 124.2 | ||
| 1800 | T. | 955 | 41 | 16.2 | 123.0 | ||
| 27 | 0000 | T. | 960 | 39 | 16.5 | 121.6 | |
| 0600 | T. | 965 | 36 | 16.5 | 120.2 | ||
| 1200 | T. | 965 | 36 | 16.8 | 119.1 | ||
| 1800 | T. | 965 | 36 | 17.3 | 118.0 | ||
| 28 | 0000 | T. | 965 | 36 | 17.4 | 116.8 | |
| 0600 | T. | 965 | 36 | 17.5 | 116.0 | ||
| 1200 | T. | 965 | 36 | 18.2 | 114.7 | ||
| 1800 | T. | 965 | 36 | 18.9 | 113.5 | ||
| 29 | 0000 | T. | 965 | 36 | 19.6 | 112.4 | |
| 0600 | T. | 965 | 36 | 19.8 | 111.1 | ||
| 1200 | T. | 968 | 36 | 19.9 | 110.2 | ||
| 1800 | T. | 970 | 33 | 20.7 | 109.0 | ||
| 30 | 0000 | S.T.S. | 975 | 31 | 20.9 | 108.0 | |
| 0600 | T.S. | 988 | 23 | 20.9 | 106.8 | ||
| 1200 | T.S. | 995 | 21 | 21.0 | 106.4 | ||
| 1800 | T.D. | 998 | 16 | 21.2 | 106.0 | ||
| 消散 | |||||||