The SummaryTyphoon Nina (international code 197503) is a 1975 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 69m/s, minimum central pressure 900hPa, was numbered off, recorded 29 track points.
Typhoon Nina, international code 197503, international name NINA, 1975 Northwest Pacific typhoon. Formed: 1975-07-30 00:00:00, ended: 1975-08-06 00:00:00. Peak intensity: Super Typhoon, minimum central pressure: 900 hPa, max wind: 69m/s.
Typhoon Nina at 1975-07-30 00:00:00 at 20.1°N, 136.8°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 69 m/s (~248 km/h) and a minimum central pressure of 900hPa, recorded at 1975-08-02 12:00:00.
Typhoon Nina gradually weakened and was numbered off on 1975-08-06 00:00:00 was numbered off; its lifecycle recorded 29 track points.
Typhoon Nina (197503) 的生命周期始 at Northwest Pacific洋面, 整体路径呈现显著的NW toward MovingTrend, 未发生明显的转 toward 或回旋. formed初期 (7月30日至31日) , 系统位 at lat 18°至20°N, 133°至136°之间, Moving direction主要为WS, 随后逐渐调整为稳定的NW direction. Go to 8月后, Typhoon 中心持续 toward NW推进, 穿越巴士海峡附近海域, 并 at 8月3日前后Go to ChinaSEcoastal 邻近区域. 从坐标序列分析, 其The latitude从初始的20.1°N迅速N抬至最终的31°N, During则从136.8°EW进至112.5°E, 显示出强劲的W风带引导气流影响. 尽管数据标注“无Landfall记录”, 但 track points显示其深入内陆, 最终在华中地区 (约lat 31°N, 112.5°) 减弱消散, 表明该系统具有极强的深入内陆能力.
Nina的Intensity变化极具戏剧性, 经历了从Nameless到Super Typhoon的快速增强过程, 随后迅速衰减. 7月30日至31日期间, 系统维持NamelessIntensity, wind speed仅为12-15m/s. 8月1日凌晨升级为Tropical Storm后, intensity 开始迅猛攀升. 特别是在8月1日12时至8月2日12时的24h内, max wind 从30m/s激增至69m/s, 达到Super Typhoon级别, 完成了从Severe Tropical Storm到peak intensity的跨越. 然而, 巅峰状态维持Time极短, 8月3日00时wind speed已降至53m/s, 至当日12时进一步骤降至30m/s (Severe Tropical Storm下限) . Go to 内陆后, 受地形摩擦及水汽切断影响, 系统 at 8月4日降级为Nameless, 并最终在8月6日以5m/s的微弱wind speed结束生命史. 这种“快生快灭”且peak intensity极高的特征, 反映了其处 at 极佳的热力条件下 formed, 但环境耐受性较差.
In the 'Nina' sequence of names, the 1975 Typhoon Intensity far surpassed most other systems of the same name. Data show that the 1995, 1992 and 1984 Typhoon Ninapeak intensity only Tropical Storm, Tropical Storm and Severe Tropical Storm, respectively, failed to reach Typhoon and above levels. Only the 1987 Typhoon Nina also reached Super Typhoon level, with the 1975 Nina coupled with the strongest ladder under the name.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1975-07-30 00:00:00 | 20.1°N | 136.8°E | Nameless | 12 | 1005 | |
| 1975-07-30 12:00:00 | 18.9°N | 135.5°E | Nameless | 12 | 1002 | |
| 1975-07-31 00:00:00 | 18°N | 134°E | Nameless | 12 | 1000 | |
| 1975-07-31 12:00:00 | 17.7°N | 133.2°E | Nameless | 15 | 994 | |
| 1975-08-01 00:00:00 | 18.4°N | 132.4°E | Tropical Storm | 20 | 980 | |
| 1975-08-01 12:00:00 | 20.3°N | 130.8°E | Severe Tropical Storm | 30 | 970 | |
| 1975-08-02 00:00:00 | 21.9°N | 128.1°E | Severe Typhoon | 46 | 935 | |
| 1975-08-02 12:00:00 | 23°N | 125.1°E | Super Typhoon | 69 | 905 | |
| 1975-08-03 00:00:00 | 23.8°N | 122.3°E | Super Typhoon | 53 | 920 | |
| 1975-08-03 12:00:00 | 24.6°N | 119.6°E | Severe Tropical Storm | 30 | 970 | |
| 1975-08-04 00:00:00 | 25.5°N | 116.5°E | Nameless | 17 | 986 | |
| 1975-08-04 12:00:00 | 26.8°N | 115.5°E | Nameless | 15 | 992 | |
| 1975-08-05 00:00:00 | 28°N | 113.5°E | Nameless | 10 | 992 | |
| 1975-08-05 12:00:00 | 29.8°N | 112.2°E | Nameless | 5 | 996 | |
| 1975-08-06 00:00:00 | 31°N | 112.5°E | Nameless | 5 | 998 |
Sampled rows shown; all 29 track points are available on the interactive map or via the public API .
Typhoon Nina's international code is 197503, is 1975's 3rd Typhoon, international name NINA.
Typhoon Nina peak intensity is Super Typhoon, max wind 69m/s, minimum central pressure 900 hPa.
According to records, Typhoon Nina is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Nina's Track history map, multinational meteorological agency Forecast comparison, windshield range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197503.
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