The SummaryTyphoon Jean (international code 197410) is a 1974 Northwest Pacific typhoon; peak intensity Tropical Storm, max wind 23m/s, minimum central pressure 994hPa, not in China Landfall, 1974-07-21 was numbered off, recording 21 track points.
Typhoon Jean, international code 197410, international name JEAN, 1974 Northwest Pacific typhoon. Formed: 1974-07-16 00:00:00, ended: 1974-07-21 00:00:00. Peak intensity: Tropical Storm, minimum central pressure: 994 hPa, max wind: 23m/s.
Typhoon Jean at 1974-07-16 00:00:00 at 17.8°N, 129.3°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Tropical Storm intensity with max winds of 23 m/s (~83 km/h) and a minimum central pressure of 994hPa, recorded at 1974-07-18 12:00:00.
Typhoon Jean gradually weakened and was numbered off on 1974-07-21 00:00:00 was numbered off; its lifecycle recorded 21 track points.
From the formed initial coordinate sequence, the system from July 16 at 00 am at 17.8°N, 129.3°E, continues toward NW direction forward.
It is worth noting that the system reached 23.8°N, near 122.5°E on July 19, after the Moving path occurred a significant turning point. Subsequently, the length change range decreased even slightly E retreat (such as the length at 122.1°E on July 20, then gradually toward E to 124°E), while the latitude rapidly climbed toward N. This suggests that the system was influenced by the guided flow near lat 24°, turning toward NE or right N, and eventually dispersed at the high latitude sea area at 35.9°N, 124°E on July 21, during the entire life cycle, the system was always active at sea, without landfall records.
In terms of Intensity evolution, 'Jean' is a typical weak tropical cyclone characteristic. the systemins the initial stage of NamelessIntensity (12m/s) , until July 17th at 12pm wind speed increased to 15m/s, then gradually strengthened. July 18th at 00pm, the system upgrades to Tropical Storm, max wind reaches 20m/s, and at the same day at 12am reaches peak intensity, max wind reaches 23m/s. The peak stateins Time is shorter, only about 12h after, since July 19th at 06pm wind speed begins to fall back to 20m/s, and quickly weakened into Nameless.
Data show that the 13th Typhoon 'Jean' in 1971 and the 20th Typhoon 'Jean' in 1962 both reached the Severe Typhoon level, while the 12th Typhoon 'Jean' in 1965 reached the Super Typhoon level.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1974-07-16 00:00:00 | 17.8°N | 129.3°E | Nameless | 12 | 1004 | |
| 1974-07-16 06:00:00 | 18.3°N | 128.8°E | Nameless | 12 | 1004 | |
| 1974-07-16 12:00:00 | 18.8°N | 128.3°E | Nameless | 12 | 1004 | |
| 1974-07-16 18:00:00 | 19.3°N | 127.8°E | Nameless | 12 | 1002 | |
| 1974-07-17 00:00:00 | 19.7°N | 127.2°E | Nameless | 12 | 1002 | |
| 1974-07-17 06:00:00 | 20.1°N | 126.8°E | Nameless | 12 | 1000 | |
| 1974-07-17 12:00:00 | 20.3°N | 126.3°E | Nameless | 15 | 1000 | |
| 1974-07-17 18:00:00 | 20.7°N | 125.7°E | Nameless | 17 | 1000 | |
| 1974-07-18 00:00:00 | 21.1°N | 125°E | Tropical Storm | 20 | 998 | |
| 1974-07-18 06:00:00 | 21.5°N | 124.2°E | Tropical Storm | 20 | 996 | |
| 1974-07-18 12:00:00 | 22.1°N | 123.5°E | Tropical Storm | 23 | 994 | |
| 1974-07-18 18:00:00 | 22.9°N | 122.9°E | Tropical Storm | 23 | 996 | |
| 1974-07-19 00:00:00 | 23.8°N | 122.5°E | Tropical Storm | 23 | 996 | |
| 1974-07-19 06:00:00 | 25°N | 122.1°E | Tropical Storm | 20 | 996 | |
| 1974-07-19 12:00:00 | 26.4°N | 121.8°E | Nameless | 17 | 996 | |
| 1974-07-19 18:00:00 | 28.2°N | 121.8°E | Nameless | 15 | 1000 | |
| 1974-07-20 00:00:00 | 30.1°N | 122.1°E | Nameless | 12 | 1000 | |
| 1974-07-20 06:00:00 | 31.5°N | 122.5°E | Nameless | 12 | 1000 | |
| 1974-07-20 12:00:00 | 33°N | 123°E | Nameless | 12 | 1002 | |
| 1974-07-20 18:00:00 | 34.4°N | 123.5°E | Nameless | 10 | 1004 | |
| 1974-07-21 00:00:00 | 35.9°N | 124°E | Nameless | 10 | 1006 |
Typhoon Jean's international code is 197410, is 1974's 10th Typhoon, international name JEAN.
Typhoon Jean peak intensity is Tropical Storm, max wind 23m/s, minimum central pressure 994 hPa.
According to records, Typhoon Jean is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Jean's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197410.
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