The SummaryTyphoon Viola (international code 197825) is a 1978 Northwest Pacific typhoon; peak intensity Super Typhoon, max wind 64m/s, minimum central pressure 910hPa, not in China Landfall, 1978-11-24 was numbered off, recording 34 track points.
Typhoon Viola, international code 197825, international name VIOLA, 1978 Northwest Pacific typhoon. Formed: 1978-11-16 00:00:00, ended: 1978-11-24 06:00:00. Peak intensity: Super Typhoon, minimum central pressure: 910 hPa, max wind: 64m/s.
Typhoon Viola at 1978-11-16 00:00:00 at 3.8°N, 155°E over the Northwest Pacific; initial intensity: Nameless.
It peaked at Super Typhoon intensity with max winds of 64 m/s (~230 km/h) and a minimum central pressure of 910hPa, recorded at 1978-11-21 06:00:00.
1978-11-24 06:00:00 After, Typhoon Viola gradually weakened and was numbered off on 1978-11-24 06:00:00 was numbered off; its lifecycle recorded 34 track points.
Typhoon Viola (197825) formed at Northwest Pacific低The latitude海域, 其生命史全程未Landfall任何陆地. 从空间轨迹来看, 该Typhoon 整体呈现稳定的NW toward MovingTrend, 随后在生命周期末期出现明显的转 toward 迹象. 初始阶段 (11月16日至18日) , 系统位 at lat 3.8°至10.9°N, 155°至143.1°之间, 主要 toward WNW, During变化显著, 横跨约12个经度. Go to 成熟期后 (11月19日至22日) , 路径逐渐转为更偏 toward 正N direction, 纬度从11.7°N快速推进至20.1°N, 经度 toward W延伸速度减缓. 值得注意的是, 在11月23日至24日期间, Typhoon 中心坐标显示其Moving direction发生逆转, 由NW toward 转为NE toward , 经度从129.1°E回升至135.9°E, 表明系统受到中高纬度W风带引导气流影响, 完成了典型的转 toward 过程. 整个路径平滑, 无剧烈折角, 符合开阔洋面Typhoon 的典型运动规律.
Viola的Intensity演变经历了完整的“ formed-增强-巅峰-减弱”周期. 系统在Nameless阶段维持约2天后, at 11月18日升级为Tropical Storm, 随后迅速增强. 从11月20日的Typhoon 级 (33m/s) 到11月21日12时的Super Typhoon级 (64m/s) , 仅用时不到36h, 显示出极强的爆发式增强能力. 巅峰状态下, max wind 达到64m/s, 并在Super Typhoon等级维持了约36h (11月21日00时至22日12时) . 此后, 随着The latitude升高及可能的垂直风切变增加, intensity 开始稳步衰减, 至消散前已降至Tropical Storm级别 (20m/s) .
Compared to the same name History, Viola's peak intensity in 1978 was superior to Viola in 1964 (top only for Typhoon), and Viola in 1969 (top equal to Super Typhoon) at the same intensity grade.
| Time | The latitude | During | Intensity | Wind (m/s) | Pressure (hPa) | Moving toward |
|---|---|---|---|---|---|---|
| 1978-11-16 00:00:00 | 3.8°N | 155°E | Nameless | 7 | - | |
| 1978-11-16 12:00:00 | 5.6°N | 153.3°E | Nameless | 10 | - | |
| 1978-11-17 00:00:00 | 6.8°N | 151.8°E | Nameless | 12 | 1004 | |
| 1978-11-17 12:00:00 | 8.7°N | 148.5°E | Nameless | 17 | 998 | |
| 1978-11-18 00:00:00 | 9.4°N | 145.6°E | Tropical Storm | 20 | 994 | |
| 1978-11-18 12:00:00 | 10.9°N | 143.1°E | Tropical Storm | 23 | 992 | |
| 1978-11-19 00:00:00 | 11.7°N | 140.4°E | Severe Tropical Storm | 25 | 985 | |
| 1978-11-19 12:00:00 | 12.9°N | 138°E | Severe Tropical Storm | 28 | 980 | |
| 1978-11-20 00:00:00 | 13.8°N | 136.5°E | Typhoon | 33 | 970 | |
| 1978-11-20 12:00:00 | 15.1°N | 134.8°E | Severe Typhoon | 43 | 945 | |
| 1978-11-21 00:00:00 | 15.9°N | 133.4°E | Super Typhoon | 59 | 920 | |
| 1978-11-21 12:00:00 | 16.8°N | 131.7°E | Super Typhoon | 64 | 910 | |
| 1978-11-22 00:00:00 | 18.3°N | 129.9°E | Super Typhoon | 61 | 920 | |
| 1978-11-22 12:00:00 | 20.1°N | 128.3°E | Super Typhoon | 56 | 935 | |
| 1978-11-23 00:00:00 | 21.7°N | 129.1°E | Severe Typhoon | 48 | 945 | |
| 1978-11-23 12:00:00 | 23.7°N | 131°E | Typhoon | 35 | 955 | |
| 1978-11-24 00:00:00 | 25.2°N | 133.8°E | Severe Tropical Storm | 25 | 985 | |
| 1978-11-24 06:00:00 | 25.4°N | 135.9°E | Tropical Storm | 20 | 994 |
Sampled rows shown; all 34 track points are available on the interactive map or via the public API .
International code for Typhoon Viola is 197825, is the 25th Typhoon of 1978, international name VIOLA.
Typhoon Viola peak intensity is Super Typhoon, max wind 64m/s, minimum central pressure 910 hPa.
According to records, Typhoon Viola is not in our coastal landfall.
TyphoonSays (taifengshuo.com) provides typhoon Viola's Track history map, multinational meteorological agency Forecast comparison, wind range with IntensityTrend, page address: https://taifengshuo.com/typhoon/197825.
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