The SummaryTyphoon Dinah (international code 197710) is a 1977 Northwest Pacific typhoon; peak intensity Typhoon, max wind 38m/s, minimum central pressure 965hPa, not in China Landfall, 1977-09-23 was numbered off, recorded 38 track points.
Typhoon Dinah, international code 197710, international name DINAH, 1977 Northwest Pacific typhoon. Formed: 1977-09-14 12:00:00, ended: 1977-09-23 18:00:00. Peak intensity: Typhoon , minimum central pressure: 965 hPa, max wind: 38m/s.
Typhoon Dinah at 1977-09-14 12:00:00 at 21.4°N, 127.8°E over the Northwest Pacific; initial intensity: Severe Tropical Storm.
It peaked at Typhoon intensity with max winds of 38 m/s (~137 km/h) and a minimum central pressure of 965hPa, recorded at 1977-09-20 00:00:00.
1977-09-23 18:00:00 After, Typhoon Dinah gradually weakened and was numbered off on 1977-09-23 18:00:00 was numbered off; its lifecycle recorded 38 track points.
Typhoon Dinah (197710) 的生命史始 at Northwest Pacific洋面, 整体路径呈现复杂的“W进-回旋-SW”形态. formed初期 (9月14日至16日) , 系统自21.4°N, 127.8°E toward SW direction快速Moving, 横穿巴士海峡附近海域Go to S海NE部. 值得注意的是, 在9月16日至18日期间, typhoon track出现显著转折: 先 toward W移至117°E附近, 随后转 toward NE direction回移, at 9月19日抵达119.2°E, 形成一个逆时针的小尺度回旋结构. 这一阶段的路径摆动表明当时引导气流较弱或存在多系统相互作用. 9月20日后, 受外围环流影响, Typhoon 再次转 toward SW, 最终 at 9月23日在Vietnam以E近海减弱消散. 全生命周期内, 该Typhoon 未Landfall任何陆地, 始终在海上活动.
在Intensity变化方面, Dinah经历了“增强-减弱-再增强-持续减弱”的过程. 初始为Severe Tropical Storm, Go to S海后短暂 weakened into Tropical Storm (20m/s) , 随后在回旋期间重新加强, at 9月19日发展为Typhoon , 巅峰Max Wind达到38m/s. 此后, 随着 toward SW并靠近中S半岛coastal , 系统结构逐渐破坏, intensity 稳步下降, 由Typhoon 级降为Severe Tropical Storm, Tropical Storm, 最终在生命末期 weakened into Nameless.
Data show that in 1967, 1980 and 1987 the same name Typhoon had reached the 'Super Typhoon' level, and in 1974 Dinah also reached the 'Typhoon' level. In comparison, in 1977 Dinah onlyined a brief Typhoon Intensity (about 3 days), and the peak wind speed 38m/s far lower at other years the same name Typhoon's extreme Intensity record.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1977-09-14 12:00:00 | 21.4°N | 127.8°E | Severe Tropical Storm | 25 | 994 | |
| 1977-09-15 00:00:00 | 19.4°N | 124.6°E | Severe Tropical Storm | 30 | 992 | |
| 1977-09-15 12:00:00 | 18.2°N | 122.6°E | Severe Tropical Storm | 30 | 965 | |
| 1977-09-16 00:00:00 | 17.3°N | 120°E | Tropical Storm | 20 | 985 | |
| 1977-09-16 12:00:00 | 17.1°N | 117.9°E | Severe Tropical Storm | 25 | 985 | |
| 1977-09-17 00:00:00 | 16.8°N | 116.2°E | Severe Tropical Storm | 25 | 980 | |
| 1977-09-17 12:00:00 | 16.9°N | 115.6°E | Severe Tropical Storm | 25 | 975 | |
| 1977-09-18 00:00:00 | 18°N | 117.1°E | Severe Tropical Storm | 30 | 985 | |
| 1977-09-18 12:00:00 | 19°N | 117.8°E | Severe Tropical Storm | 30 | 980 | |
| 1977-09-19 00:00:00 | 19.6°N | 118.4°E | Typhoon | 33 | 970 | |
| 1977-09-19 12:00:00 | 19.5°N | 119°E | Typhoon | 33 | 965 | |
| 1977-09-20 00:00:00 | 20.1°N | 119.3°E | Typhoon | 38 | 965 | |
| 1977-09-20 12:00:00 | 20.2°N | 119.1°E | Typhoon | 35 | 970 | |
| 1977-09-21 00:00:00 | 20°N | 118.4°E | Typhoon | 33 | 975 | |
| 1977-09-21 12:00:00 | 19.7°N | 117.3°E | Severe Tropical Storm | 30 | 980 | |
| 1977-09-22 00:00:00 | 18.4°N | 115.7°E | Severe Tropical Storm | 25 | 985 | |
| 1977-09-22 12:00:00 | 17.1°N | 113.9°E | Tropical Storm | 23 | 985 | |
| 1977-09-23 00:00:00 | 15.5°N | 112.3°E | Tropical Storm | 20 | 985 | |
| 1977-09-23 12:00:00 | 13.7°N | 110.4°E | Nameless | 10 | 985 | |
| 1977-09-23 18:00:00 | 13.1°N | 109.1°E | Nameless | 12 | 990 |
Sampled rows shown; all 38 track points are available on the interactive map or via the public API .
Typhoon Dinah's international code is 197710, is the 10th Typhoon of 1977, international name DINAH.
Typhoon Dinah peak intensity is Typhoon , max wind 38m/s, minimum central pressure 965 hPa.
According to records, Typhoon Dinah is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Dinah's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197710.
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