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Helen (1975, Western North Pacific)
Lowest pressure1,000 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration3.5 days1975-11-01 – 1975-11-04
Strength rank in 197521 / 21by lowest pressure
All-time rank1876 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1975 storms (lowest pressure)
985 hPa
985 hPa
992 hPa
996 hPa
996 hPa
1000 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1975-11-01 00:00 | 14.1 | 125.1 | – | 1,008 |
| 1975-11-01 06:00 | 14.3 | 124.1 | – | 1,008 |
| 1975-11-01 12:00 | 14.6 | 123.1 | – | 1,008 |
| 1975-11-01 18:00 | 14.8 | 122.1 | – | 1,008 |
| 1975-11-02 00:00 | 14.9 | 121.1 | – | 1,008 |
| 1975-11-02 06:00 | 14.8 | 119.8 | – | 1,006 |
| 1975-11-02 12:00 | 14.4 | 118.6 | – | 1,008 |
| 1975-11-02 18:00 | 14.0 | 117.3 | – | 1,006 |
| 1975-11-03 00:00 | 13.7 | 115.9 | – | 1,006 |
| 1975-11-03 06:00 | 13.8 | 114.5 | – | 1,004 |
| 1975-11-03 12:00 | 13.9 | 113.3 | – | 1,000 |
| 1975-11-03 18:00 | 13.6 | 112.3 | – | 1,000 |
| 1975-11-04 00:00 | 13.3 | 111.2 | – | 1,000 |
| 1975-11-04 06:00 | 13.4 | 109.9 | – | 1,000 |
| 1975-11-04 12:00 | 13.4 | 108.4 | – | 1,008 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).