Typhoon TracksHome › Western North Pacific 1987
Betty (1987, Western North Pacific)
Lowest pressure890 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind110 kt (57 m/s)10-min
Duration10.2 days1987-08-07 – 1987-08-17
Strength rank in 19871 / 23by lowest pressure
All-time rank19 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1987 storms (lowest pressure)
890 hPa
900 hPa
915 hPa
915 hPa
915 hPa
920 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1987-08-07 00:00 | 8.4 | 134.2 | – | – |
| 1987-08-07 06:00 | 8.7 | 133.8 | – | – |
| 1987-08-07 12:00 | 8.8 | 133.5 | – | – |
| 1987-08-07 18:00 | 9.0 | 133.2 | – | – |
| 1987-08-08 00:00 | 9.2 | 132.9 | – | 1,004 |
| 1987-08-08 06:00 | 9.5 | 132.6 | – | 1,004 |
| 1987-08-08 12:00 | 9.8 | 132.5 | – | 1,002 |
| 1987-08-08 18:00 | 9.9 | 132.3 | – | 1,000 |
| 1987-08-09 00:00 | 10.3 | 132.2 | 35 | 996 |
| 1987-08-09 06:00 | 10.5 | 132.1 | 40 | 992 |
| 1987-08-09 12:00 | 10.7 | 132.0 | 40 | 992 |
| 1987-08-09 18:00 | 11.0 | 131.9 | 45 | 990 |
| 1987-08-10 00:00 | 11.3 | 131.8 | 60 | 985 |
| 1987-08-10 06:00 | 11.5 | 131.6 | 70 | 970 |
| 1987-08-10 12:00 | 11.9 | 131.1 | 75 | 955 |
| 1987-08-10 18:00 | 12.1 | 130.4 | 85 | 935 |
| 1987-08-11 00:00 | 12.2 | 129.6 | 95 | 920 |
| 1987-08-11 06:00 | 12.3 | 128.7 | 100 | 900 |
| 1987-08-11 12:00 | 12.2 | 127.6 | 110 | 890 |
| 1987-08-11 18:00 | 12.3 | 126.5 | 110 | 895 |
| 1987-08-12 00:00 | 12.4 | 125.5 | 105 | 910 |
| 1987-08-12 06:00 | 12.6 | 124.3 | 95 | 925 |
| 1987-08-12 12:00 | 12.9 | 122.9 | 95 | 930 |
| 1987-08-12 18:00 | 13.3 | 121.7 | 90 | 935 |
| 1987-08-13 00:00 | 13.7 | 120.4 | 90 | 935 |
| 1987-08-13 06:00 | 14.1 | 119.1 | 90 | 935 |
| 1987-08-13 12:00 | 14.4 | 117.6 | 95 | 930 |
| 1987-08-13 18:00 | 14.8 | 116.3 | 95 | 930 |
| 1987-08-14 00:00 | 15.2 | 115.2 | 95 | 930 |
| 1987-08-14 06:00 | 15.6 | 114.0 | 95 | 930 |
| 1987-08-14 12:00 | 15.8 | 112.7 | 95 | 930 |
| 1987-08-14 18:00 | 15.8 | 111.7 | 95 | 930 |
| 1987-08-15 00:00 | 16.2 | 110.9 | 95 | 930 |
| 1987-08-15 06:00 | 16.7 | 110.0 | 95 | 930 |
| 1987-08-15 12:00 | 17.1 | 109.2 | 95 | 940 |
| 1987-08-15 18:00 | 17.3 | 108.4 | 75 | 945 |
| 1987-08-16 00:00 | 17.5 | 107.6 | 75 | 950 |
| 1987-08-16 06:00 | 17.8 | 106.7 | 65 | 960 |
| 1987-08-16 12:00 | 18.0 | 105.5 | 45 | 985 |
| 1987-08-16 18:00 | 18.1 | 104.0 | 40 | 990 |
| 1987-08-17 00:00 | 18.3 | 102.2 | – | 996 |
| 1987-08-17 06:00 | 18.9 | 100.1 | – | 996 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).