Typhoon TracksHome › Western North Pacific 1989
Irma (1989, Western North Pacific)
Lowest pressure925 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind95 kt (49 m/s)10-min
Duration15.5 days1989-11-20 – 1989-12-05
Strength rank in 19895 / 32by lowest pressure
All-time rank244 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1989 storms (lowest pressure)
915 hPa
915 hPa
920 hPa
925 hPa
925 hPa
925 hPa
940 hPa
940 hPa
950 hPa
950 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1989-11-20 00:00 | 17.2 | 173.9 | – | – |
| 1989-11-20 06:00 | 17.4 | 171.7 | – | – |
| 1989-11-20 12:00 | 17.5 | 169.7 | – | – |
| 1989-11-20 18:00 | 17.7 | 167.9 | – | 1,000 |
| 1989-11-21 00:00 | 18.0 | 166.6 | – | 1,000 |
| 1989-11-21 06:00 | 18.2 | 165.2 | – | 1,000 |
| 1989-11-21 12:00 | 18.7 | 164.0 | – | 1,000 |
| 1989-11-21 18:00 | 19.4 | 163.0 | – | 1,000 |
| 1989-11-22 00:00 | 19.7 | 162.4 | – | 1,000 |
| 1989-11-22 06:00 | 19.7 | 162.1 | – | 1,002 |
| 1989-11-22 12:00 | 19.5 | 161.7 | – | 1,002 |
| 1989-11-22 18:00 | 19.2 | 160.7 | – | 1,002 |
| 1989-11-23 00:00 | 18.8 | 159.6 | – | 1,004 |
| 1989-11-23 06:00 | 18.4 | 158.4 | – | 1,004 |
| 1989-11-23 12:00 | 17.7 | 157.1 | – | 1,004 |
| 1989-11-23 18:00 | 17.0 | 156.0 | – | 1,004 |
| 1989-11-24 00:00 | 16.3 | 155.1 | – | 1,004 |
| 1989-11-24 06:00 | 15.4 | 153.9 | – | 1,004 |
| 1989-11-24 12:00 | 15.0 | 152.6 | – | 1,004 |
| 1989-11-24 18:00 | 14.3 | 151.5 | – | 1,002 |
| 1989-11-25 00:00 | 13.7 | 150.6 | – | 1,002 |
| 1989-11-25 06:00 | 13.1 | 149.6 | – | 1,002 |
| 1989-11-25 12:00 | 12.6 | 148.6 | – | 1,002 |
| 1989-11-25 18:00 | 12.1 | 147.7 | – | 1,002 |
| 1989-11-26 00:00 | 11.5 | 147.0 | – | 1,002 |
| 1989-11-26 06:00 | 11.0 | 146.4 | – | 1,002 |
| 1989-11-26 12:00 | 10.6 | 145.8 | – | 1,002 |
| 1989-11-26 18:00 | 10.3 | 145.0 | 35 | 998 |
| 1989-11-27 00:00 | 10.0 | 144.4 | 40 | 994 |
| 1989-11-27 06:00 | 9.9 | 143.9 | 45 | 990 |
| 1989-11-27 12:00 | 9.9 | 143.3 | 50 | 985 |
| 1989-11-27 18:00 | 10.0 | 142.6 | 55 | 980 |
| 1989-11-28 00:00 | 10.1 | 141.9 | 60 | 975 |
| 1989-11-28 06:00 | 10.5 | 141.1 | 65 | 970 |
| 1989-11-28 12:00 | 10.8 | 140.1 | 70 | 965 |
| 1989-11-28 18:00 | 11.3 | 138.9 | 75 | 955 |
| 1989-11-29 00:00 | 11.9 | 137.8 | 85 | 945 |
| 1989-11-29 06:00 | 12.4 | 136.7 | 90 | 935 |
| 1989-11-29 12:00 | 12.6 | 135.7 | 90 | 930 |
| 1989-11-29 18:00 | 12.9 | 135.0 | 90 | 930 |
| 1989-11-30 00:00 | 13.2 | 134.3 | 95 | 925 |
| 1989-11-30 06:00 | 13.5 | 133.4 | 95 | 925 |
| 1989-11-30 12:00 | 13.8 | 132.6 | 95 | 925 |
| 1989-11-30 18:00 | 14.0 | 132.1 | 90 | 935 |
| 1989-12-01 00:00 | 14.3 | 131.7 | 85 | 940 |
| 1989-12-01 06:00 | 14.6 | 131.3 | 85 | 945 |
| 1989-12-01 12:00 | 14.8 | 131.0 | 80 | 950 |
| 1989-12-01 18:00 | 15.0 | 130.8 | 75 | 955 |
| 1989-12-02 00:00 | 15.3 | 130.7 | 80 | 950 |
| 1989-12-02 06:00 | 15.7 | 130.6 | 85 | 940 |
| 1989-12-02 12:00 | 16.2 | 130.8 | 85 | 945 |
| 1989-12-02 18:00 | 16.7 | 131.2 | 80 | 950 |
| 1989-12-03 00:00 | 17.2 | 131.8 | 75 | 955 |
| 1989-12-03 06:00 | 17.9 | 132.5 | 70 | 965 |
| 1989-12-03 12:00 | 18.8 | 133.3 | 65 | 970 |
| 1989-12-03 18:00 | 19.9 | 134.3 | 60 | 975 |
| 1989-12-04 00:00 | 20.7 | 135.8 | 55 | 980 |
| 1989-12-04 06:00 | 21.1 | 137.3 | 45 | 992 |
| 1989-12-04 12:00 | 21.1 | 138.8 | – | 1,000 |
| 1989-12-04 18:00 | 21.7 | 140.0 | – | 1,004 |
| 1989-12-05 00:00 | 22.3 | 141.5 | – | – |
| 1989-12-05 06:00 | 22.5 | 143.0 | – | – |
| 1989-12-05 12:00 | 22.6 | 144.5 | – | – |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).