[Quick Archive Overview]Typhoon JEAN (CMAcode19779004, not listed in that year's code sequence) was a 1977 Northwest Pacific typhoon. It peaked as a typhoon, with maximum winds of 35m/s and a minimum central pressure of 970hPa. It did not make landfall in China and was declared dissipated on 1977-11-03. Twenty track points were recorded throughout its lifetime.
Code note: 19779004 is the CMA internal code. This tropical cyclone is recorded in the CMA best-track dataset but was not included in the 1977 code sequence, so it does not occupy that year's sequence number.
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 review of Typhoon JEAN
Typhoon JEAN at 1977-10-29 08:00 at 20.3°N, 156.4°E over the Northwest Pacific; initial intensity: Tropical Storm.
It peaked at Typhoon intensity with max winds of 35 m/s (~126 km/h) and a minimum central pressure of 970hPa, recorded at 1977-10-30 08:00.
After 1977-11-03 02:00, Typhoon JEAN gradually weakened and was designated as no longer numbered at 02:00 on 1977-11-03. Its lifecycle contains 20 track points.
Typhoon JEAN track data table
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 10-29 08:00 | 20.3°N
156.4°E | Tropical Storm | 20 m/s
990 hPa | - |
| 10-29 14:00 | 20.9°N
156.1°E | Severe Tropical Storm | 30 m/s
978 hPa | NNW |
| 10-29 20:00 | 21.6°N
156.6°E | Severe Tropical Storm | 30 m/s
978 hPa | NNE |
| 10-30 02:00 | 22.1°N
157.1°E | Severe Tropical Storm | 30 m/s
978 hPa | NE |
| 10-30 08:00 | 22.9°N
157.4°E | Typhoon | 35 m/s
970 hPa | NNE |
| 10-30 14:00 | 23.7°N
157.3°E | Typhoon | 35 m/s
970 hPa | N |
| 10-30 20:00 | 24.6°N
158.3°E | Severe Tropical Storm | 30 m/s
978 hPa | NE |
| 10-31 02:00 | 23.5°N
157.8°E | Severe Tropical Storm | 30 m/s
980 hPa | SSW |
| 10-31 08:00 | 24°N
156.3°E | Severe Tropical Storm | 25 m/s
985 hPa | WNW |
| 10-31 14:00 | 24.7°N
154.9°E | Tropical Storm | 20 m/s
990 hPa | WNW |
| 10-31 20:00 | 25°N
153°E | Tropical Storm | 20 m/s
990 hPa | W |
| 11-01 02:00 | 25.1°N
151°E | Tropical Storm | 20 m/s
992 hPa | W |
| 11-01 08:00 | 25.6°N
149.5°E | Tropical Storm | 20 m/s
992 hPa | WNW |
| 11-01 14:00 | 26.1°N
148.3°E | Tropical Storm | 20 m/s
992 hPa | WNW |
| 11-01 20:00 | 26.5°N
147.5°E | Tropical Storm | 20 m/s
992 hPa | WNW |
| 11-02 02:00 | 26.5°N
146.7°E | Tropical Storm | 20 m/s
992 hPa | W |
| 11-02 08:00 | 26.5°N
146°E | Tropical Storm | 20 m/s
992 hPa | W |
| 11-02 14:00 | 26.9°N
145.8°E | Tropical Storm | 20 m/s
992 hPa | NNW |
| 11-02 20:00 | 27.4°N
146.1°E | Tropical Depression | 15 m/s
998 hPa | NNE |
| 11-03 02:00 | 27.5°N
146.9°E | Tropical Depression | 15 m/s
1000 hPa | E |
FAQ
What number typhoon was Typhoon JEAN in 1977?
19779004 is the internal CMA code for Typhoon JEAN. It was not included in the 1977 code sequence because the CMA best-track dataset records it, but it was not coded that year. Its international name was JEAN.
Where does the track data for Typhoon JEAN 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 level of Typhoon JEAN?
Typhoon JEAN peak intensity is Typhoon , max wind 35m/s, minimum central pressure 970 hPa.
Did Typhoon JEAN make landfall?
According to records, Typhoon JEAN did not make landfall on China's coast.
Where can I view typhoon JEAN's live track map?
TyphoonSays (taifengshuo.com) provides Typhoon JEAN’s track history, forecasts from multiple meteorological agencies, wind circle extents, and intensity trends. Page URL: https://taifengshuo.com/typhoon/19779004.
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