[Quick Archive Overview]Typhoon No. 20 (No.197520, the historical numbering used before 1981) was a 1975 Northwest Pacific typhoon. Its peak intensity was a severe tropical storm, with maximum winds of 25m/s and a minimum central pressure of 995hPa. It did not make landfall in China. Numbering ended on 1975-12-30, with 28 track points recorded throughout its lifetime.
Numbering code: The international standardized numbering system for the Northwest Pacific was introduced by the JMA (Japan), or the Regional Professional Meteorological Centre Tokyo, in 1981. This system did not yet exist in 1975. No.197520 is the historical number used by the CMA. During that year, the JMA (Japan), the Joint Typhoon Warning Center in the USA, and Chinese meteorological agencies may have assigned different numbers to the same typhoon, so these numbers 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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Overview of Typhoon 20
At 14:00 on 1975-12-23, Typhoon No. 20 was located over the Northwest Pacific at 7°N, 115.5°E; 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 995hPa, recorded at 1975-12-26 20:00.
After 1975-12-30 08:00, Typhoon No. 20 gradually weakened and was numbered off at 08:00 on 1975-12-30; its lifecycle included 28 recorded track points.
Route of Typhoon 20
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 12-23 14:00 | 7°N
115.5°E | Tropical Depression | 10 m/s
1006 hPa | - |
| 12-24 02:00 | 7.4°N
115.4°E | Tropical Depression | 10 m/s
1006 hPa | NNW |
| 12-24 14:00 | 7.8°N
115.3°E | Tropical Depression | 12 m/s
1005 hPa | NNW |
| 12-25 02:00 | 8.4°N
115.3°E | Tropical Depression | 12 m/s
1004 hPa | N |
| 12-25 14:00 | 9°N
115.2°E | Tropical Depression | 12 m/s
1004 hPa | N |
| 12-26 02:00 | 10°N
114.8°E | Tropical Depression | 15 m/s
1000 hPa | NNW |
| 12-26 14:00 | 10.8°N
113.4°E | Tropical Storm | 20 m/s
998 hPa | WNW |
| 12-27 02:00 | 11.1°N
113.9°E | Tropical Storm | 20 m/s
995 hPa | E |
| 12-27 14:00 | 10°N
114.5°E | Tropical Storm | 20 m/s
995 hPa | S |
| 12-28 02:00 | 9.5°N
114.9°E | Tropical Storm | 20 m/s
995 hPa | SE |
| 12-28 14:00 | 9.2°N
115.8°E | Tropical Depression | 15 m/s
999 hPa | ESE |
| 12-29 02:00 | 9°N
116.9°E | Tropical Depression | 15 m/s
999 hPa | E |
| 12-29 14:00 | 8.7°N
117.8°E | Tropical Depression | 15 m/s
999 hPa | ESE |
| 12-30 02:00 | 8.7°N
118.8°E | Tropical Depression | 15 m/s
1003 hPa | ENE |
| 12-30 08:00 | 9°N
119.2°E | Tropical Depression | 15 m/s
1004 hPa | NE |
Sampled rows shown; all 28 track points are available on the interactive map or via the public API .
FAQ
Typhoon 20 was the 1975 Typhoon.
The number 197520 for Typhoon No. 20 is the historical number used by the CMA, representing the 20th typhoon of 1975. The international standardized numbering system for the Northwest Pacific began in 1981; before then, each agency used its own numbering. The JMA (Japan), the Joint Typhoon Warning Center in the USA, and Chinese meteorological agencies may have assigned different numbers to the same typhoon, so these numbers cannot be directly compared.
Where does the track data for Typhoon 20 come from?
Track data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speeds are 2-minute sustained wind speeds.
What is Typhoon 20's highest level?
Typhoon No. 20 reached peak intensity as a severe tropical storm, with maximum wind of 25m/s and minimum central pressure of 995 hPa.
Is the Typhoon 20 landfall?
According to the records, the Typhoon 20 was not in our coastal landfall.
Where can I view Typhoon 20's live track map?
TyphoonSays (taifengshuo.com) provides track history for typhoon 20, forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197520.
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