Typhoon TracksHome › Western North Pacific 1966
Irma (1966, Western North Pacific)
Lowest pressure972 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration12.2 days1966-05-10 – 1966-05-22
Strength rank in 196611 / 35by lowest pressure
All-time rank992 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1966 storms (lowest pressure)
948 hPa
960 hPa
965 hPa
965 hPa
970 hPa
972 hPa
972 hPa
972 hPa
974 hPa
975 hPa
976 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1966-05-10 00:00 | 5.6 | 139.0 | – | 1,008 |
| 1966-05-10 06:00 | 6.1 | 138.6 | – | 1,008 |
| 1966-05-10 12:00 | 6.8 | 138.0 | – | 1,008 |
| 1966-05-10 18:00 | 7.5 | 137.6 | – | 1,008 |
| 1966-05-11 00:00 | 8.0 | 137.1 | – | 1,008 |
| 1966-05-11 06:00 | 8.0 | 136.9 | – | 1,004 |
| 1966-05-11 12:00 | 8.3 | 136.2 | – | 1,002 |
| 1966-05-11 18:00 | 8.6 | 135.3 | – | 1,000 |
| 1966-05-12 00:00 | 9.0 | 134.3 | – | 998 |
| 1966-05-12 06:00 | 9.3 | 133.7 | – | 990 |
| 1966-05-12 12:00 | 9.5 | 133.1 | – | 990 |
| 1966-05-12 18:00 | 9.6 | 132.5 | – | 990 |
| 1966-05-13 00:00 | 9.8 | 131.8 | – | 995 |
| 1966-05-13 06:00 | 9.8 | 131.0 | – | 1,000 |
| 1966-05-13 12:00 | 9.7 | 130.4 | – | 1,000 |
| 1966-05-13 18:00 | 9.6 | 129.9 | – | 998 |
| 1966-05-14 00:00 | 9.6 | 129.4 | – | 998 |
| 1966-05-14 06:00 | 9.8 | 128.8 | – | 990 |
| 1966-05-14 12:00 | 10.0 | 128.3 | – | 985 |
| 1966-05-14 18:00 | 10.2 | 127.9 | – | 980 |
| 1966-05-15 00:00 | 10.5 | 127.3 | – | 978 |
| 1966-05-15 06:00 | 10.9 | 126.6 | – | 974 |
| 1966-05-15 12:00 | 11.3 | 125.8 | – | 974 |
| 1966-05-15 18:00 | 11.5 | 125.0 | – | 975 |
| 1966-05-16 00:00 | 11.6 | 124.4 | – | 980 |
| 1966-05-16 06:00 | 11.8 | 123.9 | – | 986 |
| 1966-05-16 12:00 | 11.9 | 123.3 | – | 984 |
| 1966-05-16 18:00 | 12.0 | 122.8 | – | 978 |
| 1966-05-17 00:00 | 12.2 | 122.3 | – | 972 |
| 1966-05-17 06:00 | 12.6 | 121.8 | – | 975 |
| 1966-05-17 12:00 | 13.0 | 121.3 | – | 980 |
| 1966-05-17 18:00 | 13.3 | 120.7 | – | 985 |
| 1966-05-18 00:00 | 13.8 | 120.2 | – | 990 |
| 1966-05-18 06:00 | 14.2 | 119.8 | – | 990 |
| 1966-05-18 12:00 | 14.5 | 119.7 | – | 985 |
| 1966-05-18 18:00 | 15.0 | 119.5 | – | 980 |
| 1966-05-19 00:00 | 15.5 | 119.4 | – | 980 |
| 1966-05-19 06:00 | 16.0 | 119.7 | – | 980 |
| 1966-05-19 12:00 | 16.5 | 120.1 | – | 985 |
| 1966-05-19 18:00 | 17.0 | 120.3 | – | 990 |
| 1966-05-20 00:00 | 17.7 | 120.3 | – | 990 |
| 1966-05-20 06:00 | 18.9 | 120.2 | – | 992 |
| 1966-05-20 12:00 | 20.2 | 121.0 | – | 994 |
| 1966-05-20 18:00 | 21.0 | 122.4 | – | 995 |
| 1966-05-21 00:00 | 21.4 | 123.8 | – | 995 |
| 1966-05-21 06:00 | 21.8 | 125.0 | – | 995 |
| 1966-05-21 12:00 | 22.7 | 126.7 | – | 994 |
| 1966-05-21 18:00 | 23.8 | 128.3 | – | 992 |
| 1966-05-22 00:00 | 25.4 | 130.3 | – | 994 |
| 1966-05-22 06:00 | 29.0 | 134.0 | – | 996 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).