Typhoon TracksHome › Western North Pacific 1971
Polly (1971, Western North Pacific)
Lowest pressure980 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind–10-min
Duration12.5 days1971-08-03 – 1971-08-16
Strength rank in 197124 / 36by lowest pressure
All-time rank1168 / 19431951–2025
Central pressure over time (hPa)
Compared with other 1971 storms (lowest pressure)
975 hPa
975 hPa
980 hPa
980 hPa
980 hPa
980 hPa
980 hPa
985 hPa
988 hPa
990 hPa
990 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 1971-08-03 12:00 | 11.0 | 142.7 | – | 1,010 |
| 1971-08-03 18:00 | 11.7 | 144.9 | – | 1,008 |
| 1971-08-04 00:00 | 12.5 | 146.0 | – | 1,004 |
| 1971-08-04 06:00 | 13.4 | 146.5 | – | 1,002 |
| 1971-08-04 12:00 | 14.2 | 146.1 | – | 1,000 |
| 1971-08-04 18:00 | 14.7 | 145.5 | – | 1,000 |
| 1971-08-05 00:00 | 15.5 | 144.7 | – | 1,002 |
| 1971-08-05 06:00 | 16.1 | 143.7 | – | 1,002 |
| 1971-08-05 12:00 | 16.2 | 142.3 | – | 1,002 |
| 1971-08-05 18:00 | 16.2 | 141.0 | – | 1,002 |
| 1971-08-06 00:00 | 16.4 | 139.6 | – | 1,002 |
| 1971-08-06 06:00 | 17.2 | 138.3 | – | 1,000 |
| 1971-08-06 12:00 | 17.9 | 137.3 | – | 1,000 |
| 1971-08-06 18:00 | 18.6 | 136.5 | – | 998 |
| 1971-08-07 00:00 | 19.4 | 135.7 | – | 996 |
| 1971-08-07 06:00 | 20.2 | 135.0 | – | 996 |
| 1971-08-07 12:00 | 20.9 | 134.3 | – | 996 |
| 1971-08-07 18:00 | 21.6 | 133.2 | – | 996 |
| 1971-08-08 00:00 | 22.3 | 131.9 | – | 995 |
| 1971-08-08 06:00 | 24.1 | 131.4 | – | 990 |
| 1971-08-08 12:00 | 25.6 | 130.0 | – | 980 |
| 1971-08-08 18:00 | 26.7 | 128.3 | – | 985 |
| 1971-08-09 00:00 | 27.9 | 126.8 | – | 985 |
| 1971-08-09 06:00 | 28.8 | 125.6 | – | 980 |
| 1971-08-09 12:00 | 29.9 | 124.6 | – | 980 |
| 1971-08-09 18:00 | 31.3 | 123.8 | – | 980 |
| 1971-08-10 00:00 | 32.8 | 123.5 | – | 985 |
| 1971-08-10 06:00 | 34.2 | 124.1 | – | 985 |
| 1971-08-10 12:00 | 35.6 | 125.2 | – | 985 |
| 1971-08-10 18:00 | 36.8 | 126.5 | – | 992 |
| 1971-08-11 00:00 | 37.7 | 128.2 | – | 998 |
| 1971-08-11 06:00 | 38.4 | 130.3 | – | 998 |
| 1971-08-11 12:00 | 39.0 | 132.2 | – | 1,000 |
| 1971-08-11 18:00 | 39.3 | 134.0 | – | 1,002 |
| 1971-08-12 00:00 | 39.5 | 135.9 | – | 1,002 |
| 1971-08-12 06:00 | 39.7 | 137.2 | – | 1,002 |
| 1971-08-12 12:00 | 39.8 | 138.4 | – | 1,004 |
| 1971-08-12 18:00 | 39.8 | 139.5 | – | 1,004 |
| 1971-08-13 00:00 | 39.6 | 141.0 | – | 1,005 |
| 1971-08-13 06:00 | 39.4 | 143.0 | – | – |
| 1971-08-13 12:00 | 39.6 | 145.0 | – | – |
| 1971-08-13 18:00 | 39.8 | 147.1 | – | – |
| 1971-08-14 00:00 | 40.2 | 149.5 | – | – |
| 1971-08-14 06:00 | 41.0 | 152.0 | – | – |
| 1971-08-14 12:00 | 42.2 | 155.0 | – | – |
| 1971-08-14 18:00 | 44.0 | 157.4 | – | – |
| 1971-08-15 00:00 | 45.5 | 160.0 | – | – |
| 1971-08-15 06:00 | 47.1 | 164.1 | – | – |
| 1971-08-15 12:00 | 48.2 | 168.2 | – | – |
| 1971-08-15 18:00 | 50.0 | 172.0 | – | – |
| 1971-08-16 00:00 | 53.0 | 177.5 | – | – |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).