Typhoon TracksHome βΊ Western North Pacific 1985
Irma (1985, Western North Pacific)
Lowest pressure960 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind80 kt (41 m/s)10-min
Duration20.8 days1985-06-17 β 1985-07-07
Strength rank in 19859 / 27by lowest pressure
All-time rank749 / 19431951β2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1985 storms (lowest pressure)
950 hPa
955 hPa
955 hPa
955 hPa
960 hPa
960 hPa
960 hPa
960 hPa
965 hPa
970 hPa
970 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1985-06-17 00:00 | 4.8 | 155.6 | β | β |
| 1985-06-17 06:00 | 4.8 | 155.0 | β | β |
| 1985-06-17 12:00 | 4.8 | 154.5 | β | β |
| 1985-06-17 18:00 | 4.8 | 154.0 | β | β |
| 1985-06-18 00:00 | 4.9 | 153.4 | β | β |
| 1985-06-18 06:00 | 5.0 | 152.8 | β | β |
| 1985-06-18 12:00 | 5.1 | 152.2 | β | β |
| 1985-06-18 18:00 | 5.1 | 151.7 | β | β |
| 1985-06-19 00:00 | 5.2 | 151.2 | β | β |
| 1985-06-19 06:00 | 5.3 | 150.6 | β | β |
| 1985-06-19 12:00 | 5.4 | 149.9 | β | β |
| 1985-06-19 18:00 | 5.5 | 149.3 | β | β |
| 1985-06-20 00:00 | 5.5 | 148.8 | β | β |
| 1985-06-20 06:00 | 5.5 | 148.2 | β | β |
| 1985-06-20 12:00 | 5.5 | 147.5 | β | β |
| 1985-06-20 18:00 | 5.6 | 146.9 | β | β |
| 1985-06-21 00:00 | 5.7 | 146.2 | β | β |
| 1985-06-21 06:00 | 5.7 | 145.6 | β | β |
| 1985-06-21 12:00 | 5.7 | 144.9 | β | β |
| 1985-06-21 18:00 | 5.7 | 144.2 | β | β |
| 1985-06-22 00:00 | 5.8 | 143.5 | β | β |
| 1985-06-22 06:00 | 5.8 | 142.7 | β | β |
| 1985-06-22 12:00 | 5.9 | 142.0 | β | β |
| 1985-06-22 18:00 | 6.0 | 141.3 | β | β |
| 1985-06-23 00:00 | 6.1 | 140.7 | β | β |
| 1985-06-23 06:00 | 6.3 | 140.0 | β | β |
| 1985-06-23 12:00 | 6.6 | 139.6 | β | β |
| 1985-06-23 18:00 | 6.8 | 139.1 | β | β |
| 1985-06-24 00:00 | 7.1 | 138.1 | β | β |
| 1985-06-24 06:00 | 7.5 | 137.2 | β | 1,004 |
| 1985-06-24 12:00 | 8.2 | 136.2 | β | 1,002 |
| 1985-06-24 18:00 | 8.9 | 135.2 | β | 1,000 |
| 1985-06-25 00:00 | 9.4 | 134.2 | β | 998 |
| 1985-06-25 06:00 | 10.0 | 133.1 | 45 | 994 |
| 1985-06-25 12:00 | 10.4 | 132.4 | 55 | 990 |
| 1985-06-25 18:00 | 10.9 | 131.9 | 60 | 990 |
| 1985-06-26 00:00 | 11.5 | 131.5 | 55 | 990 |
| 1985-06-26 06:00 | 12.3 | 131.0 | 55 | 990 |
| 1985-06-26 12:00 | 13.1 | 130.6 | 55 | 990 |
| 1985-06-26 18:00 | 14.0 | 130.3 | 55 | 990 |
| 1985-06-27 00:00 | 14.9 | 130.1 | 55 | 990 |
| 1985-06-27 06:00 | 15.9 | 129.9 | 65 | 980 |
| 1985-06-27 12:00 | 16.8 | 129.6 | 75 | 980 |
| 1985-06-27 18:00 | 17.8 | 129.6 | 75 | 970 |
| 1985-06-28 00:00 | 18.8 | 129.7 | 75 | 965 |
| 1985-06-28 06:00 | 20.0 | 129.9 | 75 | 965 |
| 1985-06-28 12:00 | 21.4 | 130.0 | 75 | 960 |
| 1985-06-28 18:00 | 22.8 | 130.1 | 75 | 960 |
| 1985-06-29 00:00 | 24.4 | 130.2 | 75 | 960 |
| 1985-06-29 06:00 | 25.7 | 130.2 | 80 | 960 |
| 1985-06-29 12:00 | 26.9 | 130.5 | 70 | 960 |
| 1985-06-29 18:00 | 28.2 | 131.0 | 65 | 965 |
| 1985-06-30 00:00 | 29.5 | 131.9 | 65 | 965 |
| 1985-06-30 06:00 | 30.9 | 133.3 | 65 | 965 |
| 1985-06-30 12:00 | 32.4 | 135.5 | 65 | 965 |
| 1985-06-30 18:00 | 34.9 | 138.6 | 65 | 968 |
| 1985-07-01 00:00 | 38.2 | 142.2 | 60 | 972 |
| 1985-07-01 06:00 | 41.2 | 145.1 | β | 974 |
| 1985-07-01 12:00 | 43.3 | 147.5 | β | 974 |
| 1985-07-01 18:00 | 44.7 | 149.5 | β | 974 |
| 1985-07-02 00:00 | 46.0 | 151.1 | β | 976 |
| 1985-07-02 06:00 | 46.6 | 154.6 | β | 976 |
| 1985-07-02 12:00 | 47.0 | 157.8 | β | 976 |
| 1985-07-02 18:00 | 47.8 | 160.8 | β | 980 |
| 1985-07-03 00:00 | 48.5 | 163.3 | β | 980 |
| 1985-07-03 06:00 | 50.5 | 164.5 | β | 982 |
| 1985-07-03 12:00 | 52.0 | 165.3 | β | 984 |
| 1985-07-03 18:00 | 53.0 | 165.3 | β | 986 |
| 1985-07-04 00:00 | 53.5 | 165.3 | β | 986 |
| 1985-07-04 06:00 | 54.0 | 165.8 | β | 986 |
| 1985-07-04 12:00 | 54.3 | 166.2 | β | 988 |
| 1985-07-04 18:00 | 54.3 | 166.3 | β | 988 |
| 1985-07-05 00:00 | 54.4 | 166.6 | β | 988 |
| 1985-07-05 06:00 | 54.5 | 167.0 | β | 988 |
| 1985-07-05 12:00 | 55.0 | 167.0 | β | 988 |
| 1985-07-05 18:00 | 56.0 | 167.0 | β | 988 |
| 1985-07-06 00:00 | 57.0 | 166.0 | β | 986 |
| 1985-07-06 06:00 | 57.5 | 165.0 | β | 984 |
| 1985-07-06 12:00 | 58.0 | 164.0 | β | 984 |
| 1985-07-06 18:00 | 58.5 | 163.5 | β | 988 |
| 1985-07-07 00:00 | 58.5 | 163.0 | β | 992 |
| 1985-07-07 06:00 | 59.0 | 162.5 | β | 994 |
| 1985-07-07 12:00 | 59.0 | 162.0 | β | 998 |
| 1985-07-07 18:00 | 60.0 | 162.0 | β | 1,000 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).