[Quick Archive Overview]Typhoon Wanda (No.197706, the historical numbering before 1981) was a 1977 Northwest Pacific typhoon. Its peak intensity was tropical storm, with maximum winds of 20m/s and a minimum central pressure of 985hPa. It did not make landfall in China and was numbered off on 1977-08-07, with 35 track points recorded throughout its lifespan.
Numbering note: International uniform numbering for the Northwest Pacific has been assigned by the JMA, the Regional Specialized Meteorological Center for East Asia, since 1981. This system did not exist in 1977, and 197706 is the historical identifier retained by the CMA. The numbers assigned that year by the JMA, the Joint Typhoon Warning Center in the United States, and Chinese meteorological authorities for the same typhoon 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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Overview of Typhoon Wanda
Typhoon Wanda at 1977-07-29 20:00 at 20°N, 138°E over the Northwest Pacific; initial intensity: Tropical Depression.
It peaked at Tropical Storm intensity with max winds of 20 m/s (~72 km/h) and a minimum central pressure of 985hPa, recorded at 1977-08-01 08:00.
After 08:00 on 1977-08-07, Typhoon Wanda gradually weakened and was numbered off at 08:00 that day. Its lifetime was documented with 35 track points.
Typhoon Wanda routes
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 07-29 20:00 | 20°N 138°E | Tropical Depression | 12 m/s 1004 hPa | - |
| 07-30 08:00 | 21°N 137.5°E | Tropical Depression | 15 m/s 1004 hPa | NNW |
| 07-30 20:00 | 22.4°N 137.6°E | Tropical Depression | 15 m/s 1002 hPa | N |
| 07-31 08:00 | 23.5°N 138°E | Tropical Depression | 15 m/s 1002 hPa | NNE |
| 07-31 20:00 | 24.1°N 139.1°E | Tropical Depression | 15 m/s 1000 hPa | NE |
| 08-01 08:00 | 25.7°N 140.6°E | Tropical Storm | 20 m/s 995 hPa | NNE |
| 08-01 20:00 | 26.8°N 141°E | Tropical Storm | 20 m/s 994 hPa | NE |
| 08-02 08:00 | 27.9°N 140.8°E | Tropical Storm | 20 m/s 992 hPa | N |
| 08-02 20:00 | 28.6°N 142.7°E | Tropical Storm | 20 m/s 989 hPa | NE |
| 08-03 08:00 | 30.3°N 143.9°E | Tropical Storm | 20 m/s 985 hPa | NE |
| 08-03 20:00 | 30.6°N 145.8°E | Tropical Storm | 20 m/s 992 hPa | E |
| 08-04 08:00 | 31.2°N 146.8°E | Tropical Storm | 20 m/s 992 hPa | NE |
| 08-04 20:00 | 31.4°N 148.1°E | Tropical Storm | 20 m/s 992 hPa | E |
| 08-05 08:00 | 31.8°N 149.2°E | Tropical Depression | 15 m/s 992 hPa | ENE |
| 08-05 20:00 | 32.8°N 150.8°E | Tropical Depression | 15 m/s 994 hPa | NE |
| 08-06 08:00 | 34.2°N 152.7°E | Tropical Depression | 15 m/s 996 hPa | NE |
| 08-06 20:00 | 35.8°N 154.2°E | Tropical Depression | 15 m/s 996 hPa | NE |
| 08-07 08:00 | 39.8°N 155.3°E | Tropical Depression | 15 m/s 996 hPa | N |
Sampled rows shown; all 35 track points are available on the interactive map or via the public API .
FAQ
Typhoon Wanda was the 1977 Typhoon.
Wanda's number 197706 is the historical identifier retained by the CMA, meaning the 6th typhoon of 1977, while its international name was WANDA. International uniform numbering for the Northwest Pacific began in 1981. Before then, each agency maintained its own numbering system, so the numbers assigned by the JMA, the Joint Typhoon Warning Center in the United States, and Chinese meteorological authorities for the same typhoon may differ and cannot be directly compared.
Where did the track data for Typhoon Wanda 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 the highest level of Typhoon Wanda?
Typhoon Wanda peak intensity is Tropical Storm, max wind 20m/s, minimum central pressure 985 hPa.
Typhoon Wanda Landfall?
According to records, Typhoon Wanda is not in our coastal landfall.
Where can I view typhoon Wanda's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Wanda's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197706.
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