Typhoon TracksHome › Western North Pacific 1977
Ruth (1977, Western North Pacific)
Lowest pressure975 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind60 kt (31 m/s)10-min
Duration11.2 days1977-06-10 – 1977-06-21
Strength rank in 197713 / 21by lowest pressure
All-time rank1045 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1977 storms (lowest pressure)
965 hPa
965 hPa
965 hPa
970 hPa
970 hPa
975 hPa
980 hPa
980 hPa
985 hPa
985 hPa
988 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1977-06-10 00:00 | 6.0 | 134.0 | – | – |
| 1977-06-10 06:00 | 6.0 | 132.0 | – | – |
| 1977-06-10 12:00 | 6.8 | 130.0 | – | – |
| 1977-06-10 18:00 | 7.5 | 129.0 | – | – |
| 1977-06-11 00:00 | 8.3 | 128.1 | – | – |
| 1977-06-11 06:00 | 8.8 | 127.4 | – | – |
| 1977-06-11 12:00 | 9.5 | 126.7 | – | – |
| 1977-06-11 18:00 | 10.5 | 126.1 | – | – |
| 1977-06-12 00:00 | 11.0 | 125.5 | – | – |
| 1977-06-12 06:00 | 11.1 | 123.5 | – | – |
| 1977-06-12 12:00 | 11.5 | 121.8 | – | – |
| 1977-06-12 18:00 | 12.1 | 120.6 | – | – |
| 1977-06-13 00:00 | 12.8 | 119.5 | – | 1,008 |
| 1977-06-13 06:00 | 13.5 | 118.5 | – | 1,004 |
| 1977-06-13 12:00 | 14.1 | 117.8 | – | 1,004 |
| 1977-06-13 18:00 | 14.8 | 117.4 | – | 1,000 |
| 1977-06-14 00:00 | 15.5 | 117.1 | 40 | 992 |
| 1977-06-14 06:00 | 16.3 | 116.9 | 45 | 990 |
| 1977-06-14 12:00 | 17.0 | 116.6 | 45 | 985 |
| 1977-06-14 18:00 | 17.8 | 116.5 | 45 | 980 |
| 1977-06-15 00:00 | 18.6 | 116.6 | 45 | 975 |
| 1977-06-15 06:00 | 19.4 | 116.9 | 55 | 980 |
| 1977-06-15 12:00 | 20.3 | 117.2 | 60 | 980 |
| 1977-06-15 18:00 | 21.2 | 117.5 | 60 | 980 |
| 1977-06-16 00:00 | 22.1 | 117.8 | 60 | 980 |
| 1977-06-16 06:00 | 23.2 | 118.1 | 60 | 985 |
| 1977-06-16 12:00 | 24.3 | 118.7 | 45 | 990 |
| 1977-06-16 18:00 | 25.4 | 119.4 | 40 | 994 |
| 1977-06-17 00:00 | 26.6 | 120.3 | – | 1,000 |
| 1977-06-17 06:00 | 27.6 | 121.3 | – | 1,000 |
| 1977-06-17 12:00 | 28.2 | 122.9 | – | 1,000 |
| 1977-06-17 18:00 | 28.9 | 125.4 | – | 1,000 |
| 1977-06-18 00:00 | 29.1 | 128.2 | – | 1,000 |
| 1977-06-18 06:00 | 29.5 | 131.3 | – | 998 |
| 1977-06-18 12:00 | 30.1 | 134.8 | – | 998 |
| 1977-06-18 18:00 | 31.0 | 138.2 | – | 998 |
| 1977-06-19 00:00 | 32.3 | 141.4 | – | 998 |
| 1977-06-19 06:00 | 33.6 | 144.7 | – | 998 |
| 1977-06-19 12:00 | 35.2 | 148.7 | – | 1,000 |
| 1977-06-19 18:00 | 37.0 | 153.0 | – | 1,002 |
| 1977-06-20 00:00 | 39.0 | 158.0 | – | 1,004 |
| 1977-06-20 06:00 | 39.7 | 162.1 | – | 1,004 |
| 1977-06-20 12:00 | 40.0 | 166.0 | – | 1,004 |
| 1977-06-20 18:00 | 40.2 | 170.2 | – | 1,004 |
| 1977-06-21 00:00 | 40.3 | 174.8 | – | 1,004 |
| 1977-06-21 06:00 | 41.0 | 179.0 | – | 1,004 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).