mesocyclone

简明释义

[ˌmesəʊˈsaɪkləʊn][ˌmezoˈsaɪklon]

n. 中气旋

英英释义

A mesocyclone is a rotating updraft within a convective storm, typically associated with severe thunderstorms and tornadoes.

中尺度气旋是对流风暴中的一个旋转上升气流,通常与强烈的雷暴和龙卷风相关。

单词用法

mesocyclone detection

中尺度气旋检测

mesocyclone formation

中尺度气旋形成

supercell mesocyclone

超级单体中尺度气旋

a strong mesocyclone

一个强烈的中尺度气旋

tornadic mesocyclone

龙卷风型中尺度气旋

mesocyclone characteristics

中尺度气旋特征

同义词

tornado parent cloud

龙卷风母云

The mesocyclone is often associated with severe thunderstorms.

中尺度气旋通常与强雷暴有关。

rotating updraft

旋转上升气流

Meteorologists look for a rotating updraft to predict tornado formation.

气象学家寻找旋转上升气流以预测龙卷风的形成。

反义词

anticyclone

反气旋

The anticyclone brought clear skies and calm weather.

反气旋带来了晴朗的天空和宁静的天气。

stable air mass

稳定气团

A stable air mass can prevent severe weather from developing.

稳定的气团可以阻止恶劣天气的发展。

例句

1.When tornado emerges, tornado vortex (TVS) and mesocyclone in the supercell storm can be found in the radial velocity chart.

径向速度图上,龙卷出现时超级单体风暴同时具有龙卷涡旋特征(TVS)和中气旋特征。

2.Comprehensive analysis on the characteristics of tornado Vortex (TVS), mesocyclone (m) and radial velocity Pairs are effective ways to identify tornado echoes.

综合分析龙卷涡旋特征(TVS)、中气旋(m)和径向速度场上的速度对是识别龙卷回波的有效方法。

3.The analyzed low-pressure center at the surface was located ~8 km east of the mesocyclone.

所分析的地面低压中心位于中(尺度)气旋之东约8公里处。

4.Comprehensive analysis on the characteristics of tornado Vortex (TVS), mesocyclone (m) and radial velocity Pairs are effective ways to identify tornado echoes.

综合分析龙卷涡旋特征(TVS)、中气旋(m)和径向速度场上的速度对是识别龙卷回波的有效方法。

5.At maturity stage, the sustaining mesocyclone is the most important characteristic.

成熟阶段最重要的特征是持续存在的中气旋。

6.The second one was produced by a mesocyclone , which developed along the shear line, and the strong convergence.

第二阶段暴雨是由切变线上的强辐合及切变线上形成的边界层中尺度气旋造成的。

7.In s band operation, radar is typically interfered by the heavy weather clutter, especially in littoral regions where exists a specific mesocyclone.

波段雷达通常会受到较强的气象杂波干扰,尤其在沿海地区还会有特殊的气旋。

8.During the storm chase, we spotted a rotating mesocyclone 中尺度气旋 in the distance.

在追风暴的过程中,我们在远处发现了一个旋转的<顺>中尺度气旋<顺>。

9.The presence of a mesocyclone 中尺度气旋 is a key indicator of potential tornado activity.

存在<顺>中尺度气旋<顺>是潜在龙卷风活动的关键指标。

10.Understanding the dynamics of a mesocyclone 中尺度气旋 helps meteorologists improve their forecasts.

理解<顺>中尺度气旋<顺>的动力学有助于气象学家改善他们的预测。

11.A mesocyclone 中尺度气旋 can form within a supercell thunderstorm, leading to tornado development.

在超级单体雷暴中可能形成<顺>中尺度气旋<顺>,这可能导致龙卷风的形成。

12.Meteorologists often look for signs of a mesocyclone 中尺度气旋 when predicting severe thunderstorms.

气象学家在预测强雷暴时常常寻找<顺>中尺度气旋<顺>的迹象。

作文

In the realm of meteorology, understanding the dynamics of severe weather phenomena is crucial for both scientists and the general public. One such phenomenon that has garnered significant attention is the mesocyclone, a term that refers to a rotating updraft found within a convective storm. The importance of studying mesocyclones cannot be overstated, as they are often precursors to severe weather events, including tornadoes and damaging winds. By gaining insights into the formation and behavior of mesocyclones, meteorologists can improve their forecasting abilities and provide timely warnings to those at risk.A mesocyclone typically forms in the presence of a strong wind shear, which is the variation of wind speed and direction with height in the atmosphere. This wind shear creates an environment conducive to the development of rotating storms. As warm, moist air rises within a thunderstorm, it can begin to rotate if the conditions are right. This rotating column of air is what we refer to as a mesocyclone. It can vary in size but is generally defined as having a diameter of about 2 to 10 kilometers.The life cycle of a mesocyclone can be divided into several stages. Initially, it may develop from a supercell thunderstorm, which is characterized by its organized structure and persistent rotation. As the mesocyclone intensifies, it can lead to the formation of a tornado, which poses a significant threat to life and property. However, not all mesocyclones produce tornadoes; many dissipate without causing any severe weather.Meteorologists utilize various tools and technologies to detect and analyze mesocyclones. Doppler radar is one of the most effective instruments for identifying these rotating updrafts. By emitting radio waves and measuring their return signals, meteorologists can observe the motion of precipitation and the rotation within storms. This data allows them to assess the strength and potential of a mesocyclone to produce severe weather.Understanding the characteristics of a mesocyclone is essential for developing effective warning systems. For instance, meteorologists look for specific signatures on radar that indicate the presence of a mesocyclone. These signatures can inform forecasters about the likelihood of tornado formation and help them issue timely alerts to communities in the storm's path.Moreover, public awareness and education about mesocyclones and their associated risks are vital. Many people may not be familiar with the term mesocyclone, yet they should understand that it is a key indicator of severe weather. Educational programs and outreach initiatives can help bridge this knowledge gap, ensuring that individuals know how to respond when severe weather threatens their area.In conclusion, the study of mesocyclones plays a pivotal role in advancing our understanding of severe weather systems. By investigating their formation, behavior, and potential impacts, meteorologists can enhance forecasting accuracy and improve public safety. As climate change continues to influence weather patterns, the need for robust research on phenomena like mesocyclones becomes increasingly important. Through continued study and public education, we can better prepare for the challenges posed by severe weather and protect lives and property in the face of nature's fury.

在气象学的领域,理解严重天气现象的动态对科学家和公众都至关重要。其中一个引起广泛关注的现象是中气旋,这个术语指的是在对流风暴中发现的旋转上升气流。研究中气旋的重要性不容小觑,因为它们通常是严重天气事件(包括龙卷风和破坏性大风)的前兆。通过深入了解中气旋的形成和行为,气象学家可以提高他们的预报能力,并为处于风险中的人们提供及时的警告。中气旋通常在强风切变的情况下形成,风切变是指大气中风速和方向随高度变化的现象。这种风切变创造了一个有利于旋转风暴发展的环境。当温暖潮湿的空气在雷暴中上升时,如果条件合适,它可以开始旋转。这个旋转的气流柱就是我们所称的中气旋。它的大小可以有所不同,但通常定义为直径约为2到10公里。中气旋的生命周期可以分为几个阶段。最初,它可能源自超单体雷暴,这种雷暴以其有组织的结构和持续的旋转为特征。当中气旋增强时,它可能导致龙卷风的形成,这对生命和财产构成重大威胁。然而,并非所有的中气旋都会产生龙卷风;许多在未造成任何严重天气的情况下消散。气象学家利用各种工具和技术来检测和分析中气旋。多普勒雷达是识别这些旋转上升气流的最有效工具之一。通过发射无线电波并测量其返回信号,气象学家可以观察降水的运动和风暴内部的旋转。这些数据使他们能够评估中气旋产生严重天气的强度和潜力。理解中气旋的特征对于发展有效的预警系统至关重要。例如,气象学家寻找雷达上特定的信号,以指示中气旋的存在。这些信号可以向预报员提供关于龙卷风形成可能性的消息,并帮助他们及时向风暴路径中的社区发出警报。此外,公众对中气旋及其相关风险的意识和教育至关重要。许多人可能对中气旋这一术语不太熟悉,但他们应该明白这是严重天气的关键指标。教育项目和宣传活动可以帮助弥补这一知识差距,确保个人知道在严重天气威胁其地区时如何应对。总之,研究中气旋在推进我们对严重天气系统的理解方面发挥着关键作用。通过调查它们的形成、行为和潜在影响,气象学家可以提高预报的准确性,改善公共安全。随着气候变化继续影响天气模式,对像中气旋这样的现象进行稳健研究的需求变得越来越重要。通过持续的研究和公众教育,我们可以更好地为严重天气带来的挑战做好准备,并在面对自然的愤怒时保护生命和财产。