TROPICAL CYCLONES IN 2011
SIX-HOURLY POSITION AND INTENSITY DATA OF SUPER TYPHOON SONGDA (1102)
| Month | Date | Time (UTC) |
Intensity | Estimated minimum central pressure (hPa) |
Estimated maximum surface winds (m/s) |
Lat. °N |
Long. °E |
| MAY | 20 | 1200 | T.D. | 1002 | 13 | 8.3 | 140.5 |
| 1800 | T.D. | 1002 | 13 | 8.4 | 139.5 | ||
| 21 | 0000 | T.D. | 1000 | 16 | 8.6 | 138.8 | |
| 0600 | T.D. | 1000 | 16 | 8.8 | 138.3 | ||
| 1200 | T.D. | 1000 | 16 | 9.1 | 137.8 | ||
| 1800 | T.S. | 996 | 18 | 9.4 | 137.4 | ||
| 22 | 0000 | T.S. | 995 | 21 | 9.5 | 137.0 | |
| 0600 | T.S. | 994 | 21 | 9.7 | 136.6 | ||
| 1200 | T.S. | 988 | 23 | 10.1 | 135.9 | ||
| 1800 | S.T.S. | 985 | 25 | 10.5 | 135.0 | ||
| 23 | 0000 | S.T.S. | 985 | 25 | 10.8 | 134.4 | |
| 0600 | S.T.S. | 985 | 25 | 11.2 | 133.5 | ||
| 1200 | S.T.S. | 985 | 25 | 11.5 | 132.5 | ||
| 1800 | S.T.S. | 985 | 25 | 11.6 | 131.8 | ||
| 24 | 0000 | S.T.S. | 985 | 25 | 12.0 | 131.1 | |
| 0600 | S.T.S. | 980 | 28 | 12.3 | 130.2 | ||
| 1200 | S.T.S. | 975 | 31 | 12.4 | 129.4 | ||
| 1800 | T. | 965 | 36 | 12.3 | 128.6 | ||
| 25 | 0000 | T. | 960 | 39 | 12.3 | 128.2 | |
| 0600 | S.T. | 940 | 46 | 12.6 | 127.8 | ||
| 1200 | S.T. | 935 | 49 | 13.1 | 127.4 | ||
| 1800 | S.T. | 935 | 49 | 13.8 | 127.2 | ||
| 26 | 0000 | Super T. | 930 | 52 | 14.7 | 126.5 | |
| 0600 | Super T. | 920 | 57 | 15.6 | 125.7 | ||
| 1200 | Super T. | 920 | 57 | 16.2 | 125.1 | ||
| 1800 | Super T. | 920 | 57 | 17.2 | 124.5 | ||
| 27 | 0000 | Super T. | 920 | 57 | 18.1 | 123.9 | |
| 0600 | Super T. | 925 | 54 | 19.3 | 123.4 | ||
| 1200 | Super T. | 930 | 52 | 20.4 | 123.1 | ||
| 1800 | S.T. | 935 | 49 | 21.5 | 123.3 | ||
| 28 | 0000 | S.T. | 940 | 46 | 23.0 | 123.8 | |
| 0600 | S.T. | 945 | 43 | 24.8 | 124.9 | ||
| 1200 | T. | 950 | 41 | 26.3 | 126.6 | ||
| 1800 | T. | 965 | 36 | 28.6 | 129.2 | ||
| 29 | 0000 | S.T.S. | 975 | 31 | 30.7 | 131.6 | |
| Became Extratropical | |||||||