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Iris (1959, Western North Pacific)
Lowest pressure965 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration5.0 days1959-08-18 – 1959-08-23
Strength rank in 195913 / 23by lowest pressure
All-time rank811 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1959 storms (lowest pressure)
930 hPa
945 hPa
960 hPa
960 hPa
965 hPa
965 hPa
965 hPa
965 hPa
970 hPa
980 hPa
988 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1959-08-18 18:00 | 16.0 | 129.7 | – | – |
| 1959-08-19 00:00 | 16.1 | 128.6 | – | 1,006 |
| 1959-08-19 06:00 | 16.1 | 128.1 | – | 1,006 |
| 1959-08-19 12:00 | 16.3 | 127.4 | – | 1,006 |
| 1959-08-19 18:00 | 16.3 | 126.8 | – | 1,000 |
| 1959-08-20 00:00 | 16.4 | 126.1 | – | 996 |
| 1959-08-20 06:00 | 16.6 | 125.5 | – | 995 |
| 1959-08-20 12:00 | 16.9 | 124.8 | – | 990 |
| 1959-08-20 18:00 | 17.1 | 124.1 | – | 985 |
| 1959-08-21 00:00 | 17.3 | 123.7 | – | 985 |
| 1959-08-21 06:00 | 17.9 | 123.2 | – | 985 |
| 1959-08-21 12:00 | 18.6 | 122.6 | – | 980 |
| 1959-08-21 18:00 | 19.5 | 121.7 | – | 980 |
| 1959-08-22 00:00 | 20.3 | 120.9 | – | 978 |
| 1959-08-22 06:00 | 21.4 | 120.2 | – | 970 |
| 1959-08-22 12:00 | 22.6 | 119.4 | – | 965 |
| 1959-08-22 18:00 | 23.9 | 118.3 | – | 965 |
| 1959-08-23 00:00 | 25.0 | 117.3 | – | 980 |
| 1959-08-23 06:00 | 26.7 | 113.9 | – | 990 |
| 1959-08-23 12:00 | 28.7 | 111.1 | – | 995 |
| 1959-08-23 18:00 | 30.3 | 109.0 | – | 998 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).