Typhoon TracksHome › Western North Pacific 1978
Polly (1978, Western North Pacific)
Lowest pressure985 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind45 kt (23 m/s)10-min
Duration10.5 days1978-06-13 – 1978-06-24
Strength rank in 197821 / 30by lowest pressure
All-time rank1318 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 1978 storms (lowest pressure)
972 hPa
975 hPa
975 hPa
980 hPa
980 hPa
985 hPa
985 hPa
985 hPa
990 hPa
990 hPa
990 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1978-06-13 12:00 | 20.3 | 138.3 | – | – |
| 1978-06-13 18:00 | 21.3 | 137.3 | – | – |
| 1978-06-14 00:00 | 22.2 | 136.4 | – | 1,004 |
| 1978-06-14 06:00 | 23.0 | 135.5 | – | 1,004 |
| 1978-06-14 12:00 | 23.6 | 134.7 | – | 1,004 |
| 1978-06-14 18:00 | 23.9 | 134.0 | – | 1,002 |
| 1978-06-15 00:00 | 23.8 | 133.4 | – | 1,002 |
| 1978-06-15 06:00 | 23.6 | 132.9 | – | 1,002 |
| 1978-06-15 12:00 | 23.1 | 132.6 | – | 1,000 |
| 1978-06-15 18:00 | 22.8 | 132.7 | – | 1,000 |
| 1978-06-16 00:00 | 22.6 | 132.6 | – | 1,000 |
| 1978-06-16 06:00 | 22.9 | 132.1 | – | 1,000 |
| 1978-06-16 12:00 | 23.4 | 131.0 | – | 1,000 |
| 1978-06-16 18:00 | 23.9 | 129.8 | – | 1,000 |
| 1978-06-17 00:00 | 24.4 | 129.0 | – | 998 |
| 1978-06-17 06:00 | 24.6 | 128.2 | – | 996 |
| 1978-06-17 12:00 | 24.9 | 127.4 | – | 996 |
| 1978-06-17 18:00 | 25.4 | 126.7 | – | 996 |
| 1978-06-18 00:00 | 25.9 | 126.2 | – | 994 |
| 1978-06-18 06:00 | 26.1 | 126.1 | 35 | 992 |
| 1978-06-18 12:00 | 26.5 | 126.1 | 35 | 990 |
| 1978-06-18 18:00 | 26.9 | 126.1 | 40 | 985 |
| 1978-06-19 00:00 | 27.4 | 126.1 | 40 | 985 |
| 1978-06-19 06:00 | 28.2 | 126.1 | 40 | 985 |
| 1978-06-19 12:00 | 29.1 | 126.3 | 40 | 985 |
| 1978-06-19 18:00 | 30.2 | 126.7 | 45 | 985 |
| 1978-06-20 00:00 | 31.6 | 127.5 | 45 | 985 |
| 1978-06-20 06:00 | 32.7 | 128.8 | 40 | 990 |
| 1978-06-20 12:00 | 34.0 | 131.0 | – | 998 |
| 1978-06-20 18:00 | 36.8 | 135.5 | – | 998 |
| 1978-06-21 00:00 | 39.0 | 139.5 | – | 999 |
| 1978-06-21 06:00 | 41.4 | 144.0 | – | 998 |
| 1978-06-21 12:00 | 42.5 | 147.9 | – | 998 |
| 1978-06-21 18:00 | 43.3 | 151.7 | – | 998 |
| 1978-06-22 00:00 | 43.7 | 155.0 | – | 998 |
| 1978-06-22 06:00 | 44.0 | 158.5 | – | 998 |
| 1978-06-22 12:00 | 44.6 | 162.0 | – | 998 |
| 1978-06-22 18:00 | 44.9 | 165.3 | – | 998 |
| 1978-06-23 00:00 | 45.1 | 168.3 | – | 998 |
| 1978-06-23 06:00 | 45.1 | 170.6 | – | 998 |
| 1978-06-23 12:00 | 45.3 | 172.8 | – | 998 |
| 1978-06-23 18:00 | 46.8 | 175.7 | – | 996 |
| 1978-06-24 00:00 | 48.1 | 178.1 | – | 994 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).