The SummaryTyphoon Nadine (international code 197115) is a 1971 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 77m/s, minimum central pressure 900hPa, not in China Landfall, 1971-07-26 was numbered off, recording 27 track points.
Typhoon Nadine, international code 197115, international name NADINE, 1971 Northwest Pacific typhoon. Formed: 1971-07-20 00:00:00, ended: 1971-07-26 12:00:00. Peak intensity: Super Typhoon, minimum central pressure: 900 hPa, max wind: 77m/s.
Typhoon Nadine at 1971-07-20 00:00:00 at 13°N, 141.7°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 77 m/s (~277 km/h) and a minimum central pressure of 900hPa, recorded at 1971-07-24 06:00:00.
1971-07-26 12:00:00 After, Typhoon Nadine gradually weakened and was numbered off on 1971-07-26 12:00:00 was numbered off; its lifecycle recorded 27 track points.
Typhoon Nadine (197115) at 1971年7月20日00时在Northwest Pacific洋面 formed, 初始Position为lat 13.0°N, 141.7°. 在整个生命史中, 该Typhoon 呈现出稳定且持续的NW toward MovingTrend, 未出现明显的路径转折或停滞现象. 从 formed至消散, 其中心The latitude由13.0°NN移至25.2°N, During由141.7°EW移至117.2°E, 整体Moving轨迹平滑. 在Moving速度方面, 前期 (7月20日至22日) 横 toward 位移较快, 随后在接近peak intensity期间保持稳定的NW推进态势. 值得注意的是, 该Typhoon 全程无Landfall记录, 始终在海上活动, 最终 at 7月26日12时 at 25.2°N, 117.2°附近 weakened into Nameless并结束观测.
Nadine的Intensity演变过程具有典型的“快速增强-维持巅峰-迅速减弱”特征. formed初期仅为Nameless (12m/s) , 但在短短48h内, 即7月21日12时已 intensified into Typhoon (35m/s) . 随后Go to 爆发式增强期, 7月23日00时达到Super Typhoon级别 (53m/s) , 并在7月24日12时达到生命周期中的peak intensity, max wind 高达77m/s. 巅峰状态维持了约36h, 期间wind speed保持在60m/s以上. 然而, 自7月25日00时起, Typhoon Intensity开始显著下滑, wind speed从66m/s骤降至7月26日00时的30m/s (Severe Tropical Storm下限) , 并在12h后进一步 weakened into Nameless (17m/s) . 这种在短Time内完成从Nameless到Super Typhoon再回归低压的完整循环, 显示了其能量交换的高效性与不稳定性.
In the history sequence of the same name Typhoon, 1971 Nadine showed significant Intensity advantage. Comparison data showed that in 1960, 1965, 1968 and 1974 the same name Typhoon “Nadine”, its peak intensity only stayed at the “Severe Tropical Storm” level. in comparison, 197115 Typehoon not only broke the Typhoon level threshold, but also reached the “Super Typhoon” level, max wind 77m/s far above the other year’s same name Typhoon’s Intensity ceiling.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1971-07-20 00:00:00 | 13°N | 141.7°E | Nameless | 12 | 1004 | |
| 1971-07-20 12:00:00 | 14.3°N | 140.2°E | Nameless | 15 | 1000 | |
| 1971-07-21 00:00:00 | 15.2°N | 138.5°E | Tropical Storm | 23 | 1000 | |
| 1971-07-21 12:00:00 | 15.7°N | 136.8°E | Typhoon | 35 | 980 | |
| 1971-07-22 00:00:00 | 16.2°N | 135.3°E | Typhoon | 41 | 975 | |
| 1971-07-22 12:00:00 | 16.8°N | 134.2°E | Severe Typhoon | 46 | 960 | |
| 1971-07-23 00:00:00 | 17.6°N | 132.8°E | Super Typhoon | 53 | 945 | |
| 1971-07-23 12:00:00 | 18.4°N | 130.9°E | Super Typhoon | 69 | 915 | |
| 1971-07-24 00:00:00 | 19.1°N | 128.9°E | Super Typhoon | 74 | 905 | |
| 1971-07-24 12:00:00 | 19.9°N | 126.8°E | Super Typhoon | 77 | 900 | |
| 1971-07-25 00:00:00 | 21.1°N | 124.6°E | Super Typhoon | 66 | 925 | |
| 1971-07-25 12:00:00 | 22.4°N | 122.2°E | Super Typhoon | 61 | 935 | |
| 1971-07-26 00:00:00 | 23.5°N | 119.7°E | Severe Tropical Storm | 30 | 970 | |
| 1971-07-26 12:00:00 | 25.2°N | 117.2°E | Nameless | 17 | 980 |
Sampled rows shown; all 27 track points are available on the interactive map or via the public API .
Typhoon Nadine's international code is 197115, is the 15th Typhoon of 1971, international name NADINE.
Typhoon Nadine peak intensity is Super Typhoon, max wind 77m/s, minimum central pressure 900 hPa.
According to records, Typhoon Nadine is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Nadine's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197115.
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