Typhoon TracksHome › Western North Pacific 1991
Unnamed (1991, Western North Pacific)
Lowest pressure992 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind35 kt (18 m/s)10-min
Duration9.8 days1991-08-21 – 1991-08-31
Strength rank in 199126 / 29by lowest pressure
All-time rank1612 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1991 storms (lowest pressure)
980 hPa
980 hPa
984 hPa
985 hPa
985 hPa
992 hPa
992 hPa
992 hPa
994 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1991-08-21 06:00 | 22.4 | 147.1 | – | – |
| 1991-08-21 12:00 | 22.7 | 146.9 | – | – |
| 1991-08-21 18:00 | 23.0 | 146.6 | – | – |
| 1991-08-22 00:00 | 23.4 | 146.3 | – | – |
| 1991-08-22 06:00 | 23.7 | 146.0 | – | – |
| 1991-08-22 12:00 | 24.0 | 145.7 | – | – |
| 1991-08-22 18:00 | 24.3 | 145.4 | – | – |
| 1991-08-23 00:00 | 24.5 | 145.2 | – | – |
| 1991-08-23 06:00 | 24.7 | 144.9 | – | – |
| 1991-08-23 12:00 | 25.4 | 144.9 | – | – |
| 1991-08-23 18:00 | 25.9 | 144.6 | – | – |
| 1991-08-24 00:00 | 26.0 | 144.2 | – | – |
| 1991-08-24 06:00 | 26.1 | 143.6 | – | – |
| 1991-08-24 12:00 | 26.3 | 143.0 | – | – |
| 1991-08-24 18:00 | 26.5 | 142.0 | – | – |
| 1991-08-25 00:00 | 26.6 | 141.1 | – | – |
| 1991-08-25 06:00 | 26.6 | 140.4 | – | – |
| 1991-08-25 12:00 | 26.8 | 139.5 | – | – |
| 1991-08-25 18:00 | 27.0 | 138.8 | – | – |
| 1991-08-26 00:00 | 27.1 | 137.9 | – | 1,000 |
| 1991-08-26 06:00 | 27.1 | 137.0 | – | 998 |
| 1991-08-26 12:00 | 27.2 | 136.1 | – | 998 |
| 1991-08-26 18:00 | 27.4 | 135.4 | – | 998 |
| 1991-08-27 00:00 | 27.7 | 134.6 | – | 998 |
| 1991-08-27 06:00 | 28.0 | 133.6 | – | 1,000 |
| 1991-08-27 12:00 | 28.4 | 132.7 | – | 1,000 |
| 1991-08-27 18:00 | 29.0 | 131.8 | – | 998 |
| 1991-08-28 00:00 | 29.8 | 130.7 | 35 | 996 |
| 1991-08-28 06:00 | 30.5 | 129.7 | 35 | 994 |
| 1991-08-28 12:00 | 31.4 | 129.0 | 35 | 992 |
| 1991-08-28 18:00 | 32.4 | 128.6 | 35 | 994 |
| 1991-08-29 00:00 | 33.2 | 128.7 | 35 | 996 |
| 1991-08-29 06:00 | 34.3 | 129.1 | – | 998 |
| 1991-08-29 12:00 | 35.6 | 130.3 | – | 1,000 |
| 1991-08-29 18:00 | 37.3 | 132.0 | – | 1,002 |
| 1991-08-30 00:00 | 38.8 | 134.0 | – | 1,002 |
| 1991-08-30 06:00 | 40.0 | 136.0 | – | 1,002 |
| 1991-08-30 12:00 | 40.5 | 137.0 | – | 1,002 |
| 1991-08-30 18:00 | 41.0 | 138.0 | – | 1,002 |
| 1991-08-31 00:00 | 41.0 | 139.0 | – | 1,002 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).