Bill (2009, North Atlantic)
Lowest pressure943 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind115 kt (59 m/s)1-min
Duration10.8 days2009-08-15 – 2009-08-26
Strength rank in 20091 / 9by peak wind
All-time rank122 / 9861950–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 2009 storms (peak wind)
115 kt
105 kt
90 kt
55 kt
50 kt
50 kt
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 2009-08-15 06:00 | 11.8 | -32.0 | 30 | 1,007 |
| 2009-08-15 12:00 | 11.5 | -33.3 | 30 | 1,006 |
| 2009-08-15 18:00 | 11.2 | -34.5 | 35 | 1,004 |
| 2009-08-16 00:00 | 11.2 | -35.5 | 35 | 1,004 |
| 2009-08-16 06:00 | 11.5 | -36.5 | 40 | 1,002 |
| 2009-08-16 12:00 | 12.0 | -37.8 | 50 | 997 |
| 2009-08-16 18:00 | 12.6 | -39.4 | 55 | 994 |
| 2009-08-17 00:00 | 13.1 | -41.3 | 60 | 990 |
| 2009-08-17 06:00 | 13.5 | -43.2 | 65 | 987 |
| 2009-08-17 12:00 | 13.9 | -44.6 | 75 | 977 |
| 2009-08-17 18:00 | 14.4 | -46.0 | 80 | 970 |
| 2009-08-18 00:00 | 14.8 | -47.5 | 85 | 967 |
| 2009-08-18 06:00 | 15.3 | -49.0 | 90 | 965 |
| 2009-08-18 12:00 | 15.7 | -50.3 | 95 | 963 |
| 2009-08-18 18:00 | 16.2 | -51.7 | 100 | 962 |
| 2009-08-19 00:00 | 16.9 | -52.9 | 105 | 955 |
| 2009-08-19 06:00 | 17.6 | -54.2 | 115 | 954 |
| 2009-08-19 12:00 | 18.3 | -55.6 | 115 | 949 |
| 2009-08-19 18:00 | 19.3 | -56.9 | 115 | 947 |
| 2009-08-20 00:00 | 20.2 | -58.2 | 115 | 945 |
| 2009-08-20 06:00 | 21.1 | -59.6 | 115 | 949 |
| 2009-08-20 12:00 | 22.1 | -61.0 | 105 | 952 |
| 2009-08-20 18:00 | 23.1 | -62.4 | 110 | 948 |
| 2009-08-21 00:00 | 24.1 | -63.7 | 110 | 943 |
| 2009-08-21 06:00 | 25.5 | -64.9 | 105 | 951 |
| 2009-08-21 12:00 | 27.1 | -66.0 | 100 | 954 |
| 2009-08-21 18:00 | 28.6 | -66.9 | 95 | 956 |
| 2009-08-22 00:00 | 30.4 | -67.6 | 90 | 957 |
| 2009-08-22 06:00 | 32.3 | -68.4 | 90 | 960 |
| 2009-08-22 12:00 | 34.1 | -68.8 | 85 | 961 |
| 2009-08-22 18:00 | 36.0 | -68.9 | 80 | 961 |
| 2009-08-23 00:00 | 38.1 | -68.4 | 80 | 961 |
| 2009-08-23 06:00 | 40.1 | -67.3 | 75 | 962 |
| 2009-08-23 12:00 | 42.4 | -65.4 | 70 | 965 |
| 2009-08-23 18:00 | 44.4 | -62.5 | 65 | 970 |
| 2009-08-24 00:00 | 46.3 | -57.9 | 65 | 973 |
| 2009-08-24 06:00 | 48.0 | -53.0 | 60 | 980 |
| 2009-08-24 12:00 | 49.2 | -47.2 | 60 | 980 |
| 2009-08-24 18:00 | 50.0 | -41.2 | 60 | 980 |
| 2009-08-25 00:00 | 50.3 | -35.4 | 60 | 980 |
| 2009-08-25 06:00 | 50.7 | -29.6 | 60 | 980 |
| 2009-08-25 12:00 | 51.2 | -23.8 | 60 | 980 |
| 2009-08-25 18:00 | 52.0 | -18.0 | 50 | 982 |
| 2009-08-26 00:00 | 53.0 | -13.0 | 40 | 985 |
Winds are NHC 1-minute sustained winds (not directly comparable with 10-minute typhoon winds).