Home › Western North Pacific 1961
Helen (1961, Western North Pacific)
Lowest pressure970 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration15.2 days1961-07-22 – 1961-08-07
Strength rank in 196111 / 28by lowest pressure
All-time rank909 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1961 storms (lowest pressure)
940 hPa
945 hPa
945 hPa
950 hPa
960 hPa
970 hPa
970 hPa
975 hPa
980 hPa
980 hPa
980 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1961-07-22 18:00 | 11.8 | 146.5 | – | 1,008 |
| 1961-07-23 00:00 | 11.9 | 145.8 | – | 1,010 |
| 1961-07-23 06:00 | 12.2 | 145.0 | – | 1,008 |
| 1961-07-23 12:00 | 12.5 | 144.0 | – | 1,008 |
| 1961-07-23 18:00 | 13.0 | 143.0 | – | 1,008 |
| 1961-07-24 00:00 | 13.8 | 142.0 | – | 1,008 |
| 1961-07-24 06:00 | 14.2 | 140.9 | – | 1,006 |
| 1961-07-24 12:00 | 14.7 | 139.6 | – | 1,006 |
| 1961-07-24 18:00 | 15.1 | 138.3 | – | 1,006 |
| 1961-07-25 00:00 | 15.5 | 136.9 | – | 1,006 |
| 1961-07-25 06:00 | 15.7 | 135.0 | – | 1,004 |
| 1961-07-25 12:00 | 16.1 | 133.5 | – | 1,004 |
| 1961-07-25 18:00 | 16.8 | 132.0 | – | 1,002 |
| 1961-07-26 00:00 | 17.3 | 130.8 | – | 1,004 |
| 1961-07-26 06:00 | 18.0 | 129.8 | – | 1,004 |
| 1961-07-26 12:00 | 18.6 | 129.5 | – | 1,004 |
| 1961-07-26 18:00 | 19.7 | 129.9 | – | 1,002 |
| 1961-07-27 00:00 | 20.5 | 130.9 | – | 1,000 |
| 1961-07-27 06:00 | 21.1 | 131.3 | – | 990 |
| 1961-07-27 12:00 | 21.8 | 131.4 | – | 990 |
| 1961-07-27 18:00 | 22.3 | 131.6 | – | 990 |
| 1961-07-28 00:00 | 22.8 | 131.6 | – | 990 |
| 1961-07-28 06:00 | 23.3 | 131.5 | – | 985 |
| 1961-07-28 12:00 | 23.7 | 131.4 | – | 980 |
| 1961-07-28 18:00 | 24.1 | 131.4 | – | 975 |
| 1961-07-29 00:00 | 24.6 | 131.2 | – | 975 |
| 1961-07-29 06:00 | 25.2 | 131.1 | – | 970 |
| 1961-07-29 12:00 | 25.9 | 130.8 | – | 970 |
| 1961-07-29 18:00 | 26.7 | 130.5 | – | 975 |
| 1961-07-30 00:00 | 27.6 | 130.1 | – | 975 |
| 1961-07-30 06:00 | 28.1 | 129.6 | – | 975 |
| 1961-07-30 12:00 | 28.2 | 129.3 | – | 980 |
| 1961-07-30 18:00 | 28.1 | 129.3 | – | 985 |
| 1961-07-31 00:00 | 28.0 | 129.6 | – | 990 |
| 1961-07-31 06:00 | 28.1 | 130.2 | – | 992 |
| 1961-07-31 12:00 | 28.6 | 130.4 | – | 992 |
| 1961-07-31 18:00 | 29.0 | 130.3 | – | 990 |
| 1961-08-01 00:00 | 29.3 | 130.0 | – | 990 |
| 1961-08-01 06:00 | 29.7 | 129.7 | – | 990 |
| 1961-08-01 12:00 | 30.2 | 129.6 | – | 990 |
| 1961-08-01 18:00 | 30.9 | 129.4 | – | 987 |
| 1961-08-02 00:00 | 31.8 | 129.2 | – | 986 |
| 1961-08-02 06:00 | 32.9 | 128.7 | – | 986 |
| 1961-08-02 12:00 | 34.2 | 128.0 | – | 990 |
| 1961-08-02 18:00 | 35.1 | 127.6 | – | 990 |
| 1961-08-03 00:00 | 36.0 | 127.4 | – | 998 |
| 1961-08-03 06:00 | 36.9 | 127.3 | – | 998 |
| 1961-08-03 12:00 | 37.9 | 127.9 | – | 1,000 |
| 1961-08-03 18:00 | 38.7 | 129.1 | – | 1,000 |
| 1961-08-04 00:00 | 39.1 | 130.8 | – | 1,000 |
| 1961-08-04 06:00 | 39.4 | 131.7 | – | 1,000 |
| 1961-08-04 12:00 | 39.7 | 132.8 | – | 1,000 |
| 1961-08-04 18:00 | 39.8 | 133.8 | – | 1,000 |
| 1961-08-05 00:00 | 39.9 | 134.9 | – | 1,000 |
| 1961-08-05 06:00 | 40.0 | 136.0 | – | 998 |
| 1961-08-05 12:00 | 39.9 | 137.1 | – | 998 |
| 1961-08-05 18:00 | 39.8 | 137.9 | – | 998 |
| 1961-08-06 00:00 | 39.5 | 138.6 | – | 998 |
| 1961-08-06 06:00 | 39.2 | 138.8 | – | 996 |
| 1961-08-06 12:00 | 38.8 | 138.6 | – | 994 |
| 1961-08-06 18:00 | 38.3 | 138.5 | – | 996 |
| 1961-08-07 00:00 | 38.0 | 138.8 | – | 998 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).