Typhoon TracksHome › Western North Pacific 1991
Ruth (1991, Western North Pacific)
Lowest pressure895 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind115 kt (59 m/s)10-min
Duration18.0 days1991-10-16 – 1991-11-03
Strength rank in 19911 / 29by lowest pressure
All-time rank34 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1991 storms (lowest pressure)
895 hPa
895 hPa
915 hPa
925 hPa
925 hPa
925 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1991-10-16 00:00 | 6.0 | 156.0 | – | – |
| 1991-10-16 06:00 | 6.0 | 155.0 | – | – |
| 1991-10-16 12:00 | 6.0 | 154.0 | – | – |
| 1991-10-16 18:00 | 6.1 | 153.0 | – | – |
| 1991-10-17 00:00 | 6.2 | 152.0 | – | – |
| 1991-10-17 06:00 | 6.3 | 151.1 | – | – |
| 1991-10-17 12:00 | 6.4 | 150.3 | – | – |
| 1991-10-17 18:00 | 6.5 | 149.6 | – | – |
| 1991-10-18 00:00 | 6.7 | 148.9 | – | – |
| 1991-10-18 06:00 | 6.9 | 148.3 | – | – |
| 1991-10-18 12:00 | 7.1 | 147.7 | – | – |
| 1991-10-18 18:00 | 7.3 | 147.1 | – | – |
| 1991-10-19 00:00 | 7.5 | 146.6 | – | – |
| 1991-10-19 06:00 | 7.8 | 146.1 | – | – |
| 1991-10-19 12:00 | 8.3 | 145.8 | – | 1,004 |
| 1991-10-19 18:00 | 8.8 | 145.6 | – | 1,004 |
| 1991-10-20 00:00 | 9.4 | 145.1 | – | 1,004 |
| 1991-10-20 06:00 | 9.9 | 144.7 | – | 1,002 |
| 1991-10-20 12:00 | 10.4 | 144.3 | – | 1,002 |
| 1991-10-20 18:00 | 10.9 | 143.9 | – | 1,002 |
| 1991-10-21 00:00 | 11.3 | 143.4 | – | 1,000 |
| 1991-10-21 06:00 | 11.5 | 142.8 | 35 | 996 |
| 1991-10-21 12:00 | 11.7 | 142.5 | 40 | 994 |
| 1991-10-21 18:00 | 11.9 | 142.1 | 45 | 992 |
| 1991-10-22 00:00 | 12.3 | 141.7 | 50 | 985 |
| 1991-10-22 06:00 | 12.9 | 141.3 | 55 | 980 |
| 1991-10-22 12:00 | 13.5 | 140.7 | 65 | 970 |
| 1991-10-22 18:00 | 13.9 | 139.8 | 75 | 960 |
| 1991-10-23 00:00 | 14.0 | 138.9 | 85 | 945 |
| 1991-10-23 06:00 | 14.2 | 138.1 | 90 | 935 |
| 1991-10-23 12:00 | 14.3 | 137.2 | 95 | 925 |
| 1991-10-23 18:00 | 14.4 | 136.3 | 100 | 915 |
| 1991-10-24 00:00 | 14.6 | 135.3 | 110 | 905 |
| 1991-10-24 06:00 | 14.8 | 134.3 | 115 | 900 |
| 1991-10-24 12:00 | 15.1 | 133.2 | 115 | 895 |
| 1991-10-24 18:00 | 15.4 | 132.2 | 115 | 895 |
| 1991-10-25 00:00 | 15.7 | 131.2 | 115 | 900 |
| 1991-10-25 06:00 | 16.1 | 130.4 | 110 | 905 |
| 1991-10-25 12:00 | 16.5 | 129.5 | 110 | 905 |
| 1991-10-25 18:00 | 17.0 | 128.6 | 110 | 905 |
| 1991-10-26 00:00 | 17.5 | 127.6 | 110 | 905 |
| 1991-10-26 06:00 | 17.9 | 126.5 | 105 | 910 |
| 1991-10-26 12:00 | 18.3 | 125.7 | 100 | 915 |
| 1991-10-26 18:00 | 18.6 | 124.5 | 95 | 920 |
| 1991-10-27 00:00 | 18.6 | 123.5 | 90 | 930 |
| 1991-10-27 06:00 | 18.3 | 122.7 | 90 | 935 |
| 1991-10-27 12:00 | 18.0 | 122.1 | 85 | 940 |
| 1991-10-27 18:00 | 17.8 | 121.5 | 80 | 950 |
| 1991-10-28 00:00 | 17.8 | 121.1 | 75 | 960 |
| 1991-10-28 06:00 | 17.8 | 120.7 | 70 | 970 |
| 1991-10-28 12:00 | 18.1 | 120.3 | 65 | 975 |
| 1991-10-28 18:00 | 18.5 | 119.9 | 60 | 980 |
| 1991-10-29 00:00 | 18.9 | 119.7 | 55 | 980 |
| 1991-10-29 06:00 | 19.4 | 119.8 | 50 | 985 |
| 1991-10-29 12:00 | 19.8 | 120.1 | 45 | 990 |
| 1991-10-29 18:00 | 20.2 | 120.6 | 45 | 992 |
| 1991-10-30 00:00 | 20.7 | 121.3 | 35 | 996 |
| 1991-10-30 06:00 | 21.3 | 122.5 | 35 | 998 |
| 1991-10-30 12:00 | 22.0 | 123.7 | 35 | 1,000 |
| 1991-10-30 18:00 | 22.8 | 125.1 | 35 | 1,000 |
| 1991-10-31 00:00 | 23.8 | 126.8 | – | 1,002 |
| 1991-10-31 06:00 | 24.8 | 128.8 | – | 1,002 |
| 1991-10-31 12:00 | 26.5 | 132.3 | – | 1,002 |
| 1991-10-31 18:00 | 27.7 | 135.3 | – | 1,004 |
| 1991-11-01 00:00 | 30.0 | 138.8 | – | 1,004 |
| 1991-11-01 06:00 | 31.5 | 141.5 | – | 1,004 |
| 1991-11-01 12:00 | 32.6 | 143.7 | – | 1,004 |
| 1991-11-01 18:00 | 33.2 | 146.1 | – | 1,004 |
| 1991-11-02 00:00 | 34.0 | 149.0 | – | 1,006 |
| 1991-11-02 06:00 | 34.2 | 151.5 | – | 1,006 |
| 1991-11-02 12:00 | 34.2 | 154.5 | – | 1,006 |
| 1991-11-02 18:00 | 34.0 | 157.3 | – | 1,006 |
| 1991-11-03 00:00 | 33.5 | 159.5 | – | 1,010 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).