arctic air mass

简明释义

北极气团

英英释义

例句

1.The sudden arrival of an arctic air mass caught many off guard, leading to traffic disruptions.

一个北极气团的突然到来让许多人措手不及，导致交通中断。

2.The forecast predicts that an arctic air mass will move into the region, bringing frigid temperatures.

天气预报预测一个北极气团将移动到该地区，带来严寒的气温。

3.Residents are advised to prepare for the impact of the incoming arctic air mass this weekend.

居民们被建议为本周末即将到来的北极气团的影响做好准备。

4.An arctic air mass can lead to dangerous wind chills and frostbite risks.

一个北极气团可能导致危险的风寒和冻伤风险。

5.Meteorologists are tracking the movement of the arctic air mass as it descends from Canada.

气象学家正在追踪这个从加拿大下降的北极气团的移动。

作文

The term arctic air mass refers to a large body of cold air that originates from the Arctic region. These air masses are characterized by their low temperatures and high density, which can significantly influence weather patterns when they move into lower latitudes. Understanding the dynamics of an arctic air mass is crucial for meteorologists and anyone interested in climate science. When an arctic air mass moves southward, it often brings with it frigid temperatures, snow, and icy conditions. This phenomenon is particularly evident during the winter months when such air masses can plunge deep into the continental United States and other regions. The arrival of an arctic air mass can lead to severe weather events, including blizzards and ice storms, which can disrupt daily life and pose hazards to safety.The formation of an arctic air mass typically occurs over the ice-covered areas of the Arctic Ocean and surrounding landmasses. As the air cools over these surfaces, it becomes denser and begins to move southward. This movement can be influenced by various factors, including jet streams and high-pressure systems. When an arctic air mass encounters warmer air, it can create instability in the atmosphere, leading to precipitation and varied weather conditions.One of the most significant impacts of an arctic air mass is its effect on temperature. Regions that experience an influx of this cold air often see dramatic drops in temperature, sometimes exceeding 30 degrees Fahrenheit in a matter of hours. This can lead to dangerous conditions, especially for those unprepared for such rapid changes. Additionally, the presence of an arctic air mass can exacerbate existing weather systems, causing them to become more intense or prolonged.Furthermore, the interaction between an arctic air mass and warmer air masses can lead to the development of storm systems. For example, when a cold arctic air mass meets a warm, moist air mass from the Gulf of Mexico, it can create conditions ripe for thunderstorms or winter storms. Meteorologists closely monitor these interactions to provide accurate weather forecasts and warnings to the public.In conclusion, the concept of an arctic air mass is vital for understanding winter weather patterns and their potential impacts on daily life. By studying these cold air masses, scientists can better predict severe weather events and help communities prepare for the challenges they bring. Whether it’s the chilling winds that sweep across the plains or the heavy snowfall that blankets cities, the influence of an arctic air mass is felt far and wide. Thus, grasping the characteristics and implications of these air masses is essential for anyone interested in the field of meteorology and climate science.

“arctic air mass”这个术语指的是一种来自北极地区的大型冷空气团。这些空气团的特点是低温和高密度，当它们向低纬度移动时，会显著影响天气模式。理解arctic air mass的动态对于气象学家和任何对气候科学感兴趣的人来说都是至关重要的。当arctic air mass向南移动时，通常会带来严寒的温度、降雪和冰冷的条件。这种现象在冬季尤为明显，因为这种空气团可以深入美国大陆及其他地区。arctic air mass的到来可能导致严重的天气事件，包括暴风雪和冰风暴，这会干扰日常生活并对安全构成威胁。arctic air mass的形成通常发生在冰封的北极海洋及其周边陆地上。当空气在这些表面上冷却时，它变得更密集并开始向南移动。这一运动可能受到各种因素的影响，包括喷射气流和高压系统。当arctic air mass遇到暖空气时，可能会在大气中产生不稳定性，从而导致降水和多变的天气条件。arctic air mass最显著的影响之一是其对温度的影响。经历这种冷空气涌入的地区，通常会看到温度急剧下降，有时在几个小时内超过30华氏度。这可能导致危险的条件，尤其是对于那些未做好准备的人。此外，arctic air mass的存在可能会加剧现有的天气系统，使其变得更加强烈或持久。此外，arctic air mass与暖空气团之间的相互作用可能导致风暴系统的发展。例如，当一股冷的arctic air mass与来自墨西哥湾的暖湿空气团相遇时，可能会创造出适合雷暴或冬季风暴的条件。气象学家密切监测这些相互作用，以提供准确的天气预报和公众警告。总之，arctic air mass的概念对于理解冬季天气模式及其对日常生活的潜在影响至关重要。通过研究这些冷空气团，科学家可以更好地预测严重天气事件，并帮助社区为其带来的挑战做好准备。无论是横扫平原的刺骨寒风，还是覆盖城市的厚厚积雪，arctic air mass的影响无处不在。因此，掌握这些空气团的特征和含义对于任何对气象学和气候科学感兴趣的人来说都是必不可少的。