Home › Western North Pacific 2011
Roke (2011, Western North Pacific)
Lowest pressure940 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind85 kt (44 m/s)10-min
Duration14.8 days2011-09-09 – 2011-09-24
Strength rank in 20116 / 21by lowest pressure
All-time rank483 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 2011 storms (lowest pressure)
920 hPa
925 hPa
930 hPa
935 hPa
935 hPa
940 hPa
950 hPa
970 hPa
970 hPa
975 hPa
978 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 2011-09-09 12:00 | 20.4 | 144.5 | – | 1,008 |
| 2011-09-09 18:00 | 20.3 | 143.6 | – | 1,006 |
| 2011-09-10 00:00 | 20.2 | 142.6 | – | 1,008 |
| 2011-09-10 06:00 | 20.2 | 141.3 | – | 1,006 |
| 2011-09-10 12:00 | 20.4 | 140.1 | – | 1,004 |
| 2011-09-10 18:00 | 20.4 | 139.1 | – | 1,002 |
| 2011-09-11 00:00 | 20.6 | 138.0 | – | 1,002 |
| 2011-09-11 06:00 | 20.6 | 137.0 | – | 1,002 |
| 2011-09-11 12:00 | 20.8 | 136.3 | – | 1,002 |
| 2011-09-11 18:00 | 21.0 | 135.8 | – | 1,002 |
| 2011-09-12 00:00 | 21.5 | 136.0 | – | 1,002 |
| 2011-09-12 06:00 | 21.7 | 136.5 | – | 1,002 |
| 2011-09-12 12:00 | 21.9 | 136.9 | – | 1,000 |
| 2011-09-12 18:00 | 22.1 | 137.2 | – | 1,000 |
| 2011-09-13 00:00 | 22.4 | 137.5 | – | 1,000 |
| 2011-09-13 06:00 | 22.7 | 137.8 | 35 | 998 |
| 2011-09-13 12:00 | 23.1 | 137.9 | 35 | 998 |
| 2011-09-13 18:00 | 23.7 | 138.0 | 35 | 998 |
| 2011-09-14 00:00 | 24.3 | 137.6 | 35 | 996 |
| 2011-09-14 06:00 | 24.6 | 136.8 | 35 | 996 |
| 2011-09-14 12:00 | 25.2 | 135.3 | 35 | 994 |
| 2011-09-14 18:00 | 25.5 | 133.7 | 35 | 994 |
| 2011-09-15 00:00 | 25.4 | 132.6 | 35 | 992 |
| 2011-09-15 06:00 | 25.7 | 131.5 | 40 | 990 |
| 2011-09-15 12:00 | 25.9 | 131.0 | 40 | 990 |
| 2011-09-15 18:00 | 26.1 | 130.4 | 40 | 990 |
| 2011-09-16 00:00 | 26.3 | 130.1 | 40 | 990 |
| 2011-09-16 06:00 | 26.4 | 129.9 | 45 | 985 |
| 2011-09-16 12:00 | 26.1 | 129.6 | 45 | 985 |
| 2011-09-16 18:00 | 25.7 | 129.6 | 45 | 985 |
| 2011-09-17 00:00 | 25.3 | 129.7 | 45 | 985 |
| 2011-09-17 06:00 | 25.0 | 129.9 | 50 | 980 |
| 2011-09-17 12:00 | 24.8 | 130.3 | 55 | 980 |
| 2011-09-17 18:00 | 24.8 | 130.6 | 60 | 975 |
| 2011-09-18 00:00 | 25.3 | 131.1 | 60 | 975 |
| 2011-09-18 06:00 | 25.9 | 130.8 | 60 | 975 |
| 2011-09-18 12:00 | 26.2 | 130.4 | 60 | 975 |
| 2011-09-18 18:00 | 26.4 | 130.3 | 60 | 975 |
| 2011-09-19 00:00 | 26.7 | 130.4 | 60 | 975 |
| 2011-09-19 06:00 | 27.7 | 130.5 | 60 | 975 |
| 2011-09-19 12:00 | 28.2 | 130.2 | 65 | 970 |
| 2011-09-19 18:00 | 28.2 | 130.7 | 70 | 965 |
| 2011-09-20 00:00 | 28.9 | 131.6 | 75 | 960 |
| 2011-09-20 06:00 | 29.4 | 132.3 | 80 | 950 |
| 2011-09-20 12:00 | 30.3 | 133.6 | 85 | 940 |
| 2011-09-20 18:00 | 31.7 | 134.7 | 85 | 940 |
| 2011-09-21 00:00 | 33.0 | 136.0 | 80 | 950 |
| 2011-09-21 06:00 | 34.9 | 137.8 | 75 | 955 |
| 2011-09-21 12:00 | 37.2 | 140.6 | 65 | 975 |
| 2011-09-21 18:00 | 40.6 | 143.6 | 65 | 975 |
| 2011-09-22 00:00 | 42.7 | 146.6 | 60 | 980 |
| 2011-09-22 06:00 | 44.5 | 149.0 | – | 982 |
| 2011-09-22 12:00 | 45.8 | 151.2 | – | 984 |
| 2011-09-22 18:00 | 46.8 | 152.9 | – | 988 |
| 2011-09-23 00:00 | 47.8 | 155.6 | – | 992 |
| 2011-09-23 06:00 | 49.0 | 159.4 | – | 996 |
| 2011-09-23 12:00 | 50.7 | 163.8 | – | 996 |
| 2011-09-23 18:00 | 51.4 | 167.7 | – | 998 |
| 2011-09-24 00:00 | 51.9 | 172.5 | – | 1,000 |
| 2011-09-24 06:00 | 51.9 | 178.4 | – | 1,000 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).