Typhoon TracksHome › Western North Pacific 1999
Ann (1999, Western North Pacific)
Lowest pressure985 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind50 kt (26 m/s)10-min
Duration6.0 days1999-09-14 – 1999-09-20
Strength rank in 199913 / 22by lowest pressure
All-time rank1362 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1999 storms (lowest pressure)
980 hPa
980 hPa
980 hPa
980 hPa
985 hPa
985 hPa
988 hPa
990 hPa
990 hPa
992 hPa
992 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1999-09-14 12:00 | 25.3 | 128.4 | – | 1,004 |
| 1999-09-14 18:00 | 26.3 | 129.5 | – | 1,004 |
| 1999-09-15 00:00 | 26.5 | 129.2 | – | 1,004 |
| 1999-09-15 06:00 | 26.8 | 129.3 | – | 1,002 |
| 1999-09-15 12:00 | 27.5 | 129.1 | – | 1,002 |
| 1999-09-15 18:00 | 28.5 | 129.0 | – | 998 |
| 1999-09-16 00:00 | 29.4 | 128.2 | 35 | 994 |
| 1999-09-16 06:00 | 29.6 | 127.7 | 50 | 985 |
| 1999-09-16 12:00 | 29.7 | 127.3 | 50 | 985 |
| 1999-09-16 18:00 | 29.7 | 127.0 | 50 | 985 |
| 1999-09-17 00:00 | 29.8 | 126.5 | 50 | 985 |
| 1999-09-17 06:00 | 29.7 | 126.1 | 50 | 985 |
| 1999-09-17 12:00 | 29.8 | 125.7 | 50 | 985 |
| 1999-09-17 18:00 | 29.9 | 125.4 | 45 | 990 |
| 1999-09-18 00:00 | 30.2 | 124.6 | 45 | 990 |
| 1999-09-18 06:00 | 30.5 | 123.9 | 45 | 990 |
| 1999-09-18 12:00 | 31.1 | 123.2 | 40 | 992 |
| 1999-09-18 18:00 | 31.8 | 122.5 | 40 | 992 |
| 1999-09-19 00:00 | 32.5 | 122.0 | 35 | 996 |
| 1999-09-19 06:00 | 33.6 | 122.3 | 35 | 996 |
| 1999-09-19 12:00 | 34.3 | 123.0 | 35 | 998 |
| 1999-09-19 18:00 | 34.6 | 124.4 | – | 1,000 |
| 1999-09-20 00:00 | 34.5 | 124.9 | – | 1,002 |
| 1999-09-20 06:00 | 34.4 | 125.1 | – | 1,002 |
| 1999-09-20 12:00 | 33.9 | 125.4 | – | 1,006 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).