Typhoon TracksHome › Western North Pacific 2009
Koppu (2009, Western North Pacific)
Lowest pressure975 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind65 kt (33 m/s)10-min
Duration4.5 days2009-09-11 – 2009-09-15
Strength rank in 200915 / 22by lowest pressure
All-time rank1091 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 2009 storms (lowest pressure)
960 hPa
975 hPa
975 hPa
975 hPa
975 hPa
975 hPa
980 hPa
990 hPa
992 hPa
992 hPa
992 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 2009-09-11 06:00 | 13.9 | 129.6 | – | – |
| 2009-09-11 12:00 | 14.7 | 128.4 | – | – |
| 2009-09-11 18:00 | 15.6 | 127.2 | – | – |
| 2009-09-12 00:00 | 16.3 | 125.6 | – | – |
| 2009-09-12 06:00 | 17.1 | 124.2 | – | – |
| 2009-09-12 12:00 | 18.1 | 123.4 | – | – |
| 2009-09-12 18:00 | 19.2 | 121.9 | – | – |
| 2009-09-13 00:00 | 19.4 | 120.3 | – | 1,000 |
| 2009-09-13 06:00 | 19.3 | 119.0 | – | 1,000 |
| 2009-09-13 12:00 | 19.4 | 118.0 | – | 1,000 |
| 2009-09-13 18:00 | 19.8 | 116.8 | 35 | 994 |
| 2009-09-14 00:00 | 19.9 | 115.8 | 45 | 990 |
| 2009-09-14 06:00 | 20.4 | 115.1 | 55 | 985 |
| 2009-09-14 12:00 | 21.0 | 114.3 | 60 | 980 |
| 2009-09-14 18:00 | 21.5 | 113.2 | 65 | 975 |
| 2009-09-15 00:00 | 22.0 | 112.0 | 55 | 980 |
| 2009-09-15 06:00 | 22.5 | 110.7 | 40 | 990 |
| 2009-09-15 12:00 | 23.1 | 109.7 | – | 996 |
| 2009-09-15 18:00 | 23.2 | 108.7 | – | 1,000 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).