alto stratus

简明释义

高层云

英英释义

例句

1.Photographers love capturing the unique light that comes through alto stratus clouds at sunset.

摄影师喜欢捕捉在日落时透过高层云的独特光线。

2.The sky was covered with alto stratus, making the day feel gloomy and overcast.

天空被高层云覆盖，使得这一天感觉阴沉而阴霾。

3.The weather forecast predicts that we will see some alto stratus clouds later this afternoon.

天气预报预测今天下午会出现一些高层云。

4.When flying, pilots need to be aware of alto stratus as it can indicate a change in weather conditions.

飞行时，飞行员需要注意高层云，因为它可能表明天气条件的变化。

5.We learned in class that alto stratus clouds often precede rain.

我们在课堂上学习到高层云通常在下雨之前出现。

作文

In the realm of meteorology, understanding different types of clouds is essential for predicting weather patterns and appreciating the beauty of nature. One such cloud type is the alto stratus, which plays a significant role in our atmospheric conditions. The alto stratus clouds are typically found at altitudes between 6,500 and 20,000 feet, and they are characterized by their gray or blue-gray color. These clouds often cover the entire sky, creating a uniform layer that can obscure the sun. When we see alto stratus clouds forming, it usually indicates that a warm front is approaching, and precipitation may follow soon after.The formation of alto stratus clouds occurs when moist air rises and cools, leading to the condensation of water vapor. This process can happen in various weather scenarios, but it is most commonly associated with a gradual increase in moisture content in the atmosphere. As the moisture accumulates, it forms these thick, layered clouds that can stretch over vast areas. Unlike cumulus clouds, which are fluffy and white, alto stratus clouds present a more subdued appearance, often signaling a change in the weather.One of the fascinating aspects of alto stratus clouds is their ability to produce optical phenomena. When sunlight passes through these clouds, it can create a halo effect around the sun or moon. This occurs due to the ice crystals present in the upper layers of the cloud, refracting the light and creating a stunning visual display. Many people find this phenomenon enchanting, as it adds a mystical quality to the sky.Weather enthusiasts and meteorologists pay close attention to alto stratus clouds because they often precede significant weather changes. For instance, if you notice these clouds in the sky, it may be wise to prepare for rain or even snow, depending on the temperature. Furthermore, alto stratus clouds can also indicate the presence of other cloud types, such as nimbostratus, which are associated with continuous precipitation. Understanding the relationship between these clouds helps us better predict what kind of weather to expect.In addition to their meteorological importance, alto stratus clouds contribute to the overall aesthetics of the sky. Their soft, diffused light can create a serene atmosphere, especially during sunrise or sunset. Photographers and artists often seek out these clouds for their unique qualities, capturing the way they interact with light and shadow. The muted tones of alto stratus clouds can evoke a sense of calmness and introspection, making them a favorite subject for many.In conclusion, the alto stratus clouds are more than just a meteorological phenomenon; they are a reminder of the intricate dynamics of our atmosphere. By studying and appreciating these clouds, we gain insight into weather patterns and the beauty of nature. Next time you look up and see a blanket of alto stratus clouds, take a moment to reflect on their significance and the stories they tell about the ever-changing sky above us.

在气象学领域，理解不同类型的云对于预测天气模式和欣赏自然之美至关重要。其中一种云类型是高层云，它在我们的气候条件中发挥着重要作用。高层云通常位于6500到20000英尺的高度，其特征是灰色或蓝灰色。这些云通常覆盖整个天空，形成均匀的层，使太阳变得模糊。当我们看到高层云形成时，通常意味着温暖锋面即将来临，并且很快可能会出现降水。高层云的形成发生在潮湿空气上升并冷却时，导致水蒸气的凝结。这个过程可以在各种天气情况下发生，但通常与大气中湿度逐渐增加有关。随着湿气的积累，它形成了这些厚厚的、分层的云，这些云可以延伸到广阔的区域。与蓬松的白色积云不同，高层云呈现出更为低调的外观，通常预示着天气的变化。高层云的一个迷人之处在于它们能够产生光学现象。当阳光透过这些云时，可能会在太阳或月亮周围形成光环效应。这是由于云的上层存在冰晶，折射光线并创造出惊人的视觉效果。许多人发现这一现象令人着迷，因为它为天空增添了一种神秘的品质。天气爱好者和气象学家密切关注高层云，因为它们通常预示着重大天气变化。例如，如果你注意到天空中有这些云，可能明智的是为降雨甚至降雪做好准备，具体取决于温度。此外，高层云还可能表明其他云类型的存在，例如与持续降水相关的层云。理解这些云之间的关系帮助我们更好地预测预期的天气类型。除了气象学的重要性外，高层云还为天空的整体美感做出了贡献。它们柔和、漫射的光线可以在日出或日落时营造出宁静的氛围。摄影师和艺术家常常寻找这些云，以捕捉它们与光线和阴影的互动。高层云的柔和色调可以唤起一种平静和内省的感觉，使其成为许多人的最爱主题。总之，高层云不仅仅是一种气象现象；它们提醒我们大气的复杂动态。通过研究和欣赏这些云，我们获得了对天气模式和自然之美的洞察。下次当你抬头看到一层高层云时，请花一点时间反思它们的重要性以及它们讲述的关于我们头顶不断变化的天空的故事。