Typhoon Ruby path characteristics analysis
Track and Turning Characteristics
Typhoon Ruby (197607) 的生命史始 at Northwest Pacific远洋海域, 整体路径呈现典型的“抛物线”型Moving特征. formed初期 (6月21日至23日) , 系统位 at 低纬度洋面 (8.9°N-12.5°N) , 受引导气流影响稳定 toward NW, 经度从136.5°E迅速W移至129.1°E. 6月24日至27日期间, Typhoon 继续 toward W逼近, 最W端到达116.2°E附近, 此时纬度约为19.8°N, 虽未Landfallland, 但已深入S海NE部及Taiwan以E海域.
关键的转折发生在6月28日前后. 数据显示, Typhoon 中心在21°N附近停滞并略微E折, 随后自6月29日起明确转 toward NE. 这一转 toward 过程相对平缓, 未出现剧烈的打转或停滞现象. 转 toward 后, Typhoon 加速 toward 开阔洋面移去, 经度从120.2°E一路 toward E跨越至152°E, 纬度则从21°N攀升至36°N, 最终在中高纬度洋面减弱消散. 全生命周期长达13天以上, track points多达55个, 显示出其长寿命且Moving规律性较强的特点.
Intensity evolution and historical comparison
Ruby的Intensity演变经历了显著的“增强-波动-再增强-减弱”过程. 初生阶段为Tropical Depression, 气压1006hPa. 在 toward NWMoving过程中快速加强, at 6月25日达到Typhoon 级 (35m/s, 980hPa) . 值得注意的是, 6月26日至27日Intensity略有回落, 气压回升至985hPa, wind speed降至30m/s. 然而, 在转 toward NE后, Typhoon Go to 二次爆发期, 气压持续下降, at 7月2日在25.7°N, 131°E附近达到巅峰状态, 中心最低气压降至934hPa, max wind 达50m/s, 评定为Severe Typhoon. 此后随着纬度升高, 受冷海水及风切变影响, intensity 迅速衰减, 至7月4日结束时已 weakened into Severe Tropical Storm.
Compared with previous typhoons of the same name, Ruby in 1976 had exceptionally high intensity. Its peak central pressure of 934 hPa was much lower than those of Ruby in 1988 at 960 hPa, Ruby in 1982 at 969 hPa, and the Rubies of 1985 and 1970, both of which had pressures above 980 hPa. As a notable severe typhoon of the mid-1970s, Ruby demonstrated exceptional rapid intensification and was the strongest cyclone with the lowest central pressure among the same-named storms listed.
Typhoon Ruby path data
| Time | Position | Intensity | Wind · Pressure | Move toward |
|---|
| 06-21 08:00 | 8.9°N 136.5°E | Tropical Depression | - m/s 1006 hPa | - |
| 06-22 02:00 | 10°N 133.6°E | Tropical Depression | - m/s 1004 hPa | WNW |
| 06-22 20:00 | 11.6°N 130.7°E | Tropical Depression | 15 m/s 1002 hPa | WNW |
| 06-23 14:00 | 12.2°N 128.2°E | Tropical Depression | 15 m/s 1000 hPa | WSW |
| 06-24 08:00 | 12.6°N 125.6°E | Severe Tropical Storm | 25 m/s 990 hPa | WNW |
| 06-25 02:00 | 14.7°N 123.2°E | Severe Tropical Storm | 30 m/s 985 hPa | NW |
| 06-25 20:00 | 16.6°N 119.8°E | Typhoon | 35 m/s 970 hPa | WNW |
| 06-26 14:00 | 18.5°N 117.3°E | Severe Tropical Storm | 30 m/s 985 hPa | NW |
| 06-27 08:00 | 19.8°N 116.2°E | Severe Tropical Storm | 30 m/s 985 hPa | N |
| 06-28 02:00 | 20.5°N 117.5°E | Severe Tropical Storm | 30 m/s 985 hPa | ENE |
| 06-28 20:00 | 21.1°N 119°E | Typhoon | 35 m/s 980 hPa | ENE |
| 06-29 14:00 | 21°N 121°E | Typhoon | 35 m/s 975 hPa | E |
| 06-30 08:00 | 21.3°N 122.5°E | Typhoon | 35 m/s 967 hPa | ENE |
| 07-01 02:00 | 22.4°N 125.3°E | Typhoon | 40 m/s 955 hPa | ENE |
| 07-01 20:00 | 24.2°N 128.5°E | Severe Typhoon | 45 m/s 940 hPa | ENE |
| 07-02 14:00 | 26.5°N 132.8°E | Severe Typhoon | 50 m/s 947 hPa | ENE |
| 07-03 08:00 | 29.6°N 137.5°E | Typhoon | 40 m/s 965 hPa | NE |
| 07-04 02:00 | 33.3°N 144.9°E | Typhoon | 35 m/s 975 hPa | ENE |
| 07-04 20:00 | 36°N 152°E | Severe Tropical Storm | 25 m/s 985 hPa | ENE |
Sampled rows shown; all 55 track points are available on the interactive map or via the public API .
FAQ
Ruby was the 1976 Typhoon.
The number 197607 for Typhoon Ruby is the historical identifier retained by the CMA, meaning the 7th typhoon of 1976; its international name was RUBY. The international numbering system for the Northwest Pacific began in 1981. Before then, agencies such as the JMA in Japan and the Joint Typhoon Warning Center in the USA maintained separate identifiers, while Chinese meteorological authorities may have assigned a different number to the same typhoon. Therefore, these numbers cannot be directly compared.
Where does Typhoon Ruby's track data come from?
Path. Data sources: China Meteorological Administration Tropical Cyclone Best Track Dataset (CMA-STI); wind speed refers to 2-min sustained wind speed. Track points at intermediate times are encrypted based on original operational positioning data, while wind speed and pressure are interpolated using best-track anchor points.
What is Typhoon Ruby's highest level?
Typhoon Ruby peak intensity is Severe Typhoon, max wind 50m/s, minimum central pressure 934 hPa.
Is it Ruby Landfall?
According to records, the Typhoon Ruby is not in our coastal Landfall.
Where can I view typhoon Ruby's live track map?
TyphoonSays (taifengshuo.com) provides typhoon Ruby's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197607.
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