[Quick Archive Overview]Typhoon Polly (No.197117, a historical number used before 1981) was a 1971 Northwest Pacific typhoon. Its peak intensity was severe tropical storm, with maximum winds of 25m/s and a minimum central pressure of 980hPa. It did not make landfall in China, was taken off numbering on 1971-08-16, and had 50 recorded track points throughout its lifetime.
Code explanation: The unified international numbering system for the Northwest Pacific has been implemented by the JMA (Japan), the Tokyo Regional Professional Meteorological Centre, since 1981. This system did not exist in 1971. The identifier 197117 is a historical number carried forward by the CMA. The numbers assigned that year by the JMA (Japan), the Joint Typhoon Warning Center of the USA, and China’s meteorological authorities may differ and cannot be directly compared.
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
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Full track recap of Typhoon Polly
Typhoon Polly at 1971-08-04 02:00 at 13°N, 146.6°E over the Northwest Pacific; initial intensity: Tropical Depression.
It peaked at Severe Tropical Storm intensity with max winds of 25 m/s (~90 km/h) and a minimum central pressure of 980hPa, recorded at 1971-08-09 02:00.
After 1971-08-16 08:00, Typhoon Polly gradually weakened and was stopped numbering at 08:00 on 1971-08-16; its lifecycle included 50 recorded track points.
Typhoon Polly track data table
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 08-04 02:00 | 13°N
146.6°E | Tropical Depression | 10 m/s
1005 hPa | - |
| 08-04 20:00 | 14.1°N
146.3°E | Tropical Depression | 15 m/s
1000 hPa | NNW |
| 08-05 14:00 | 16.2°N
144°E | Tropical Depression | 15 m/s
1000 hPa | NW |
| 08-06 08:00 | 16.6°N
139.4°E | Tropical Depression | 15 m/s
1003 hPa | WNW |
| 08-07 02:00 | 18.6°N
136.2°E | Tropical Depression | 15 m/s
1000 hPa | NW |
| 08-07 20:00 | 21.2°N
134.2°E | Tropical Storm | 20 m/s
995 hPa | NW |
| 08-08 14:00 | 23.6°N
131.3°E | Tropical Storm | 20 m/s
992 hPa | N |
| 08-09 08:00 | 28°N
126.9°E | Severe Tropical Storm | 25 m/s
986 hPa | NW |
| 08-10 02:00 | 31.2°N
123.9°E | Severe Tropical Storm | 25 m/s
985 hPa | NNW |
| 08-10 20:00 | 35.3°N
125°E | Severe Tropical Storm | 25 m/s
985 hPa | NNE |
| 08-11 14:00 | 38.3°N
130°E | Tropical Storm | 20 m/s
995 hPa | ENE |
| 08-12 08:00 | 39.2°N
135.9°E | Tropical Depression | 12 m/s
1002 hPa | E |
| 08-13 02:00 | 39.5°N
139.9°E | Tropical Depression | 12 m/s
1002 hPa | E |
| 08-13 20:00 | 39.6°N
145°E | Tropical Depression | 12 m/s
1002 hPa | E |
| 08-14 14:00 | 41°N
152°E | Tropical Depression | 10 m/s
1004 hPa | ENE |
| 08-15 08:00 | 45.5°N
160°E | Tropical Depression | 10 m/s
1002 hPa | NE |
| 08-16 02:00 | 50°N
172°E | Tropical Depression | - m/s
1006 hPa | NE |
| 08-16 08:00 | 53°N
177.5°E | Tropical Depression | - m/s
1010 hPa | NE |
Sampled rows shown; all 50 track points are available on the interactive map or via the public API .
FAQ
Typhoon Polly was the 1971 Typhoon.
Polly's identifier 197117 is a historical number carried forward by the CMA, representing the 17th typhoon of 1971, with the international name POLLY. The unified international numbering system for the Northwest Pacific did not begin until 1981. Before then, each agency maintained its own numbering system, so the numbers assigned by the JMA (Japan), the Joint Typhoon Warning Center of the USA, and China’s meteorological authorities may differ and cannot be directly compared.
Where does the track data for Typhoon Polly come from?
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
What was the peak intensity of Typhoon Polly?
Typhoon Polly peak intensity is Severe Tropical Storm, max wind 25m/s, minimum central pressure 980 hPa.
Did Typhoon Polly make landfall?
According to the records, Typhoon Polly did not make landfall along China's coast.
Where can I view typhoon Polly's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Polly's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197117.
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