Typhoon TracksHome › Western North Pacific 1978
Bess:Bonnie (1978, Western North Pacific)
Lowest pressure985 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind40 kt (21 m/s)10-min
Duration8.5 days1978-08-04 – 1978-08-13
Strength rank in 197822 / 30by lowest pressure
All-time rank1319 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1978 storms (lowest pressure)
975 hPa
975 hPa
980 hPa
980 hPa
985 hPa
985 hPa
985 hPa
990 hPa
990 hPa
990 hPa
992 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1978-08-04 12:00 | 16.0 | 129.0 | – | – |
| 1978-08-04 18:00 | 16.2 | 128.5 | – | – |
| 1978-08-05 00:00 | 16.4 | 128.0 | – | – |
| 1978-08-05 06:00 | 16.6 | 127.5 | – | – |
| 1978-08-05 12:00 | 16.8 | 127.0 | – | – |
| 1978-08-05 18:00 | 17.0 | 126.5 | – | – |
| 1978-08-06 00:00 | 17.2 | 126.0 | – | – |
| 1978-08-06 06:00 | 17.6 | 125.5 | – | – |
| 1978-08-06 12:00 | 18.0 | 125.0 | – | – |
| 1978-08-06 18:00 | 18.3 | 124.6 | – | – |
| 1978-08-07 00:00 | 18.8 | 124.2 | – | – |
| 1978-08-07 06:00 | 19.3 | 123.7 | – | – |
| 1978-08-07 12:00 | 19.7 | 123.3 | – | – |
| 1978-08-07 18:00 | 20.3 | 123.0 | – | – |
| 1978-08-08 00:00 | 21.6 | 122.3 | – | – |
| 1978-08-08 06:00 | 22.0 | 120.6 | – | – |
| 1978-08-08 12:00 | 21.8 | 119.3 | – | – |
| 1978-08-08 18:00 | 21.5 | 118.5 | – | – |
| 1978-08-09 00:00 | 21.1 | 117.3 | – | 998 |
| 1978-08-09 06:00 | 20.3 | 116.2 | – | 996 |
| 1978-08-09 12:00 | 19.5 | 115.3 | – | 994 |
| 1978-08-09 18:00 | 19.1 | 114.7 | – | 994 |
| 1978-08-10 00:00 | 18.7 | 114.2 | – | 994 |
| 1978-08-10 06:00 | 18.5 | 113.2 | – | 990 |
| 1978-08-10 12:00 | 18.3 | 112.0 | 40 | 990 |
| 1978-08-10 18:00 | 18.2 | 110.9 | 40 | 990 |
| 1978-08-11 00:00 | 18.1 | 109.9 | 40 | 990 |
| 1978-08-11 06:00 | 18.0 | 108.7 | 40 | 990 |
| 1978-08-11 12:00 | 17.9 | 107.6 | 40 | 990 |
| 1978-08-11 18:00 | 17.9 | 106.6 | 40 | 985 |
| 1978-08-12 00:00 | 17.9 | 105.7 | 35 | 985 |
| 1978-08-12 06:00 | 17.9 | 104.8 | – | 990 |
| 1978-08-12 12:00 | 17.9 | 103.8 | – | 992 |
| 1978-08-12 18:00 | 17.8 | 102.4 | – | 996 |
| 1978-08-13 00:00 | 17.9 | 100.8 | – | 996 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).