Typhoon TracksHome › Western North Pacific 1999
Olga (1999, Western North Pacific)
Lowest pressure970 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind65 kt (33 m/s)10-min
Duration9.5 days1999-07-26 – 1999-08-05
Strength rank in 19995 / 22by lowest pressure
All-time rank960 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1999 storms (lowest pressure)
930 hPa
955 hPa
955 hPa
970 hPa
970 hPa
980 hPa
980 hPa
980 hPa
980 hPa
980 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1999-07-26 18:00 | 5.5 | 138.7 | – | – |
| 1999-07-27 00:00 | 5.9 | 138.5 | – | – |
| 1999-07-27 06:00 | 6.7 | 138.1 | – | – |
| 1999-07-27 12:00 | 7.3 | 137.9 | – | – |
| 1999-07-27 18:00 | 8.2 | 137.5 | – | – |
| 1999-07-28 00:00 | 9.3 | 136.8 | – | – |
| 1999-07-28 06:00 | 10.0 | 136.2 | – | – |
| 1999-07-28 12:00 | 10.9 | 135.6 | – | – |
| 1999-07-28 18:00 | 11.7 | 135.2 | – | – |
| 1999-07-29 00:00 | 12.4 | 134.8 | – | 1,000 |
| 1999-07-29 06:00 | 13.6 | 134.3 | – | 1,000 |
| 1999-07-29 12:00 | 14.6 | 133.9 | – | 1,000 |
| 1999-07-29 18:00 | 15.6 | 133.6 | – | 998 |
| 1999-07-30 00:00 | 16.9 | 133.6 | 35 | 996 |
| 1999-07-30 06:00 | 18.7 | 133.4 | 35 | 994 |
| 1999-07-30 12:00 | 20.2 | 132.5 | 40 | 990 |
| 1999-07-30 18:00 | 21.0 | 131.9 | 50 | 985 |
| 1999-07-31 00:00 | 21.7 | 131.3 | 50 | 985 |
| 1999-07-31 06:00 | 22.7 | 130.8 | 50 | 985 |
| 1999-07-31 12:00 | 23.2 | 130.5 | 50 | 985 |
| 1999-07-31 18:00 | 23.9 | 130.0 | 55 | 980 |
| 1999-08-01 00:00 | 24.8 | 129.4 | 55 | 980 |
| 1999-08-01 06:00 | 25.5 | 128.9 | 60 | 975 |
| 1999-08-01 12:00 | 26.4 | 128.1 | 65 | 970 |
| 1999-08-01 18:00 | 27.2 | 127.3 | 60 | 975 |
| 1999-08-02 00:00 | 27.8 | 126.7 | 60 | 975 |
| 1999-08-02 06:00 | 28.7 | 126.4 | 60 | 975 |
| 1999-08-02 12:00 | 30.1 | 126.0 | 60 | 975 |
| 1999-08-02 18:00 | 31.5 | 125.9 | 60 | 975 |
| 1999-08-03 00:00 | 33.5 | 125.9 | 60 | 975 |
| 1999-08-03 06:00 | 35.2 | 126.0 | 55 | 975 |
| 1999-08-03 12:00 | 37.5 | 126.3 | 50 | 985 |
| 1999-08-03 18:00 | 40.4 | 126.5 | – | 990 |
| 1999-08-04 00:00 | 43.4 | 126.5 | – | 996 |
| 1999-08-04 06:00 | 45.1 | 126.8 | – | 998 |
| 1999-08-04 12:00 | 46.7 | 127.2 | – | 1,000 |
| 1999-08-04 18:00 | 48.3 | 128.1 | – | 1,000 |
| 1999-08-05 00:00 | 49.7 | 129.8 | – | 1,000 |
| 1999-08-05 06:00 | 50.9 | 131.1 | – | 996 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).