Home › Western North Pacific 1981
Irma (1981, Western North Pacific)
Lowest pressure905 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind110 kt (57 m/s)10-min
Duration12.8 days1981-11-15 – 1981-11-27
Strength rank in 19812 / 29by lowest pressure
All-time rank80 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1981 storms (lowest pressure)
895 hPa
905 hPa
925 hPa
925 hPa
945 hPa
950 hPa
950 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1981-11-15 00:00 | 7.2 | 163.3 | – | – |
| 1981-11-15 06:00 | 8.1 | 162.9 | – | – |
| 1981-11-15 12:00 | 9.0 | 162.6 | – | – |
| 1981-11-15 18:00 | 9.9 | 162.5 | – | – |
| 1981-11-16 00:00 | 10.6 | 162.4 | – | – |
| 1981-11-16 06:00 | 10.9 | 161.9 | – | – |
| 1981-11-16 12:00 | 11.0 | 161.1 | – | – |
| 1981-11-16 18:00 | 10.9 | 160.2 | – | – |
| 1981-11-17 00:00 | 10.9 | 159.0 | – | – |
| 1981-11-17 06:00 | 11.1 | 157.6 | – | – |
| 1981-11-17 12:00 | 11.4 | 156.3 | – | – |
| 1981-11-17 18:00 | 11.6 | 154.9 | – | – |
| 1981-11-18 00:00 | 11.7 | 153.6 | – | – |
| 1981-11-18 06:00 | 11.8 | 152.4 | – | – |
| 1981-11-18 12:00 | 12.1 | 151.4 | – | – |
| 1981-11-18 18:00 | 12.6 | 150.3 | – | 1,008 |
| 1981-11-19 00:00 | 13.1 | 149.2 | – | 1,006 |
| 1981-11-19 06:00 | 13.4 | 148.0 | 40 | 1,000 |
| 1981-11-19 12:00 | 13.8 | 146.8 | 45 | 998 |
| 1981-11-19 18:00 | 13.9 | 145.7 | 45 | 995 |
| 1981-11-20 00:00 | 13.9 | 144.7 | 45 | 990 |
| 1981-11-20 06:00 | 13.9 | 143.8 | 50 | 985 |
| 1981-11-20 12:00 | 13.9 | 142.7 | 55 | 980 |
| 1981-11-20 18:00 | 13.9 | 141.5 | 60 | 975 |
| 1981-11-21 00:00 | 13.8 | 140.4 | 65 | 970 |
| 1981-11-21 06:00 | 13.8 | 139.3 | 70 | 960 |
| 1981-11-21 12:00 | 13.7 | 138.2 | 80 | 950 |
| 1981-11-21 18:00 | 13.6 | 137.1 | 90 | 950 |
| 1981-11-22 00:00 | 13.5 | 135.8 | 90 | 925 |
| 1981-11-22 06:00 | 13.2 | 134.4 | 110 | 910 |
| 1981-11-22 12:00 | 12.8 | 132.8 | 110 | 905 |
| 1981-11-22 18:00 | 12.7 | 131.3 | 110 | 910 |
| 1981-11-23 00:00 | 12.6 | 129.7 | 110 | 915 |
| 1981-11-23 06:00 | 12.7 | 128.2 | 100 | 920 |
| 1981-11-23 12:00 | 13.1 | 126.2 | 105 | 920 |
| 1981-11-23 18:00 | 13.9 | 124.7 | 95 | 935 |
| 1981-11-24 00:00 | 14.6 | 123.4 | 95 | 950 |
| 1981-11-24 06:00 | 15.3 | 122.0 | 85 | 965 |
| 1981-11-24 12:00 | 16.2 | 120.6 | 75 | 980 |
| 1981-11-24 18:00 | 17.1 | 119.6 | 65 | 985 |
| 1981-11-25 00:00 | 17.9 | 119.2 | 55 | 990 |
| 1981-11-25 06:00 | 18.7 | 119.4 | 50 | 990 |
| 1981-11-25 12:00 | 19.5 | 119.9 | 45 | 990 |
| 1981-11-25 18:00 | 20.3 | 120.5 | 40 | 990 |
| 1981-11-26 00:00 | 21.1 | 121.3 | 40 | 992 |
| 1981-11-26 06:00 | 21.9 | 122.2 | 40 | 994 |
| 1981-11-26 12:00 | 22.6 | 123.2 | 40 | 996 |
| 1981-11-26 18:00 | 23.2 | 124.5 | 35 | 998 |
| 1981-11-27 00:00 | 24.0 | 126.3 | – | 1,000 |
| 1981-11-27 06:00 | 25.1 | 129.3 | – | 1,002 |
| 1981-11-27 12:00 | 26.8 | 133.3 | – | 1,004 |
| 1981-11-27 18:00 | 28.6 | 137.0 | – | 1,004 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).