Typhoon TracksHome › Western North Pacific 1973
Billie (1973, Western North Pacific)
Lowest pressure915 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration9.0 days1973-07-11 – 1973-07-20
Strength rank in 19733 / 21by lowest pressure
All-time rank144 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1973 storms (lowest pressure)
875 hPa
895 hPa
915 hPa
940 hPa
960 hPa
965 hPa
970 hPa
970 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1973-07-11 06:00 | 10.0 | 129.1 | – | 1,004 |
| 1973-07-11 12:00 | 11.2 | 128.9 | – | 1,004 |
| 1973-07-11 18:00 | 12.3 | 128.6 | – | 1,004 |
| 1973-07-12 00:00 | 12.9 | 128.7 | – | 1,004 |
| 1973-07-12 06:00 | 13.6 | 128.6 | – | 1,004 |
| 1973-07-12 12:00 | 14.4 | 128.0 | – | 1,004 |
| 1973-07-12 18:00 | 15.2 | 127.2 | – | 1,000 |
| 1973-07-13 00:00 | 15.9 | 126.4 | – | 996 |
| 1973-07-13 06:00 | 16.7 | 125.8 | – | 990 |
| 1973-07-13 12:00 | 17.3 | 125.5 | – | 990 |
| 1973-07-13 18:00 | 17.9 | 125.4 | – | 985 |
| 1973-07-14 00:00 | 18.5 | 125.3 | – | 985 |
| 1973-07-14 06:00 | 19.1 | 125.5 | – | 975 |
| 1973-07-14 12:00 | 19.7 | 125.5 | – | 965 |
| 1973-07-14 18:00 | 20.3 | 125.4 | – | 940 |
| 1973-07-15 00:00 | 21.0 | 125.3 | – | 920 |
| 1973-07-15 06:00 | 21.7 | 125.3 | – | 915 |
| 1973-07-15 12:00 | 22.4 | 125.3 | – | 940 |
| 1973-07-15 18:00 | 23.2 | 125.2 | – | 950 |
| 1973-07-16 00:00 | 23.9 | 125.2 | – | 950 |
| 1973-07-16 06:00 | 24.7 | 125.5 | – | 950 |
| 1973-07-16 12:00 | 25.6 | 125.7 | – | 920 |
| 1973-07-16 18:00 | 26.6 | 125.4 | – | 930 |
| 1973-07-17 00:00 | 27.6 | 125.2 | – | 945 |
| 1973-07-17 06:00 | 28.4 | 125.3 | – | 950 |
| 1973-07-17 12:00 | 29.1 | 125.4 | – | 955 |
| 1973-07-17 18:00 | 30.3 | 125.3 | – | 960 |
| 1973-07-18 00:00 | 31.5 | 125.0 | – | 970 |
| 1973-07-18 06:00 | 32.7 | 124.2 | – | 975 |
| 1973-07-18 12:00 | 33.5 | 123.3 | – | 980 |
| 1973-07-18 18:00 | 34.2 | 122.4 | – | 980 |
| 1973-07-19 00:00 | 35.1 | 121.9 | – | 980 |
| 1973-07-19 06:00 | 36.0 | 121.6 | – | 985 |
| 1973-07-19 12:00 | 37.7 | 121.0 | – | 986 |
| 1973-07-19 18:00 | 40.3 | 120.7 | – | 988 |
| 1973-07-20 00:00 | 43.0 | 120.9 | – | 992 |
| 1973-07-20 06:00 | 45.5 | 121.0 | – | – |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).