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Koni (2003, Western North Pacific)
Lowest pressure975 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind60 kt (31 m/s)10-min
Duration8.2 days2003-07-14 – 2003-07-22
Strength rank in 200315 / 21by lowest pressure
All-time rank1078 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 2003 storms (lowest pressure)
955 hPa
955 hPa
960 hPa
970 hPa
970 hPa
975 hPa
980 hPa
980 hPa
985 hPa
992 hPa
996 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 2003-07-14 12:00 | 10.5 | 136.9 | – | – |
| 2003-07-14 18:00 | 10.5 | 135.7 | – | – |
| 2003-07-15 00:00 | 10.2 | 134.6 | – | 1,008 |
| 2003-07-15 06:00 | 10.0 | 133.4 | – | 1,004 |
| 2003-07-15 12:00 | 10.1 | 132.0 | – | 1,006 |
| 2003-07-15 18:00 | 10.1 | 130.9 | – | 1,004 |
| 2003-07-16 00:00 | 10.1 | 130.1 | – | 1,002 |
| 2003-07-16 06:00 | 10.2 | 129.1 | – | 1,002 |
| 2003-07-16 12:00 | 10.5 | 128.1 | – | 1,002 |
| 2003-07-16 18:00 | 10.9 | 126.9 | – | 1,002 |
| 2003-07-17 00:00 | 11.0 | 125.7 | – | 1,000 |
| 2003-07-17 06:00 | 11.2 | 124.5 | – | 1,000 |
| 2003-07-17 12:00 | 11.7 | 123.0 | – | 1,000 |
| 2003-07-17 18:00 | 12.0 | 121.9 | – | 1,000 |
| 2003-07-18 00:00 | 12.1 | 120.4 | – | 1,000 |
| 2003-07-18 06:00 | 12.3 | 119.3 | 35 | 998 |
| 2003-07-18 12:00 | 12.7 | 118.4 | 40 | 998 |
| 2003-07-18 18:00 | 13.0 | 117.8 | 40 | 996 |
| 2003-07-19 00:00 | 13.7 | 117.2 | 40 | 994 |
| 2003-07-19 06:00 | 14.5 | 116.8 | 45 | 992 |
| 2003-07-19 12:00 | 15.0 | 116.4 | 45 | 992 |
| 2003-07-19 18:00 | 15.6 | 115.9 | 45 | 990 |
| 2003-07-20 00:00 | 16.3 | 115.1 | 50 | 985 |
| 2003-07-20 06:00 | 16.9 | 114.3 | 55 | 980 |
| 2003-07-20 12:00 | 17.6 | 113.6 | 55 | 980 |
| 2003-07-20 18:00 | 18.0 | 112.6 | 60 | 975 |
| 2003-07-21 00:00 | 18.3 | 111.8 | 60 | 975 |
| 2003-07-21 06:00 | 18.6 | 111.1 | 55 | 975 |
| 2003-07-21 12:00 | 18.7 | 110.1 | 50 | 980 |
| 2003-07-21 18:00 | 19.0 | 108.9 | 45 | 985 |
| 2003-07-22 00:00 | 19.3 | 107.6 | 45 | 985 |
| 2003-07-22 06:00 | 19.9 | 106.4 | 45 | 985 |
| 2003-07-22 12:00 | 20.2 | 105.0 | 40 | 990 |
| 2003-07-22 18:00 | 20.1 | 103.4 | – | 998 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).