polar outbreak

简明释义

寒潮

英英释义

例句

1.The polar outbreak has led to increased energy demand as people try to heat their homes.

这场极地爆发导致了能源需求的增加，因为人们试图为他们的家供暖。

2.The recent polar outbreak has caused temperatures to drop significantly across the Midwest.

最近的极地爆发导致中西部的气温显著下降。

3.During the polar outbreak, many schools were forced to close due to dangerous travel conditions.

在极地爆发期间，由于旅行条件危险，许多学校被迫关闭。

4.Meteorologists are warning of a polar outbreak that could bring snow to areas that rarely see it.

气象学家警告说，一场极地爆发可能会给很少下雪的地区带来降雪。

5.Residents are advised to stay indoors during the polar outbreak to avoid frostbite.

居民被建议在极地爆发期间呆在室内，以避免冻伤。

作文

In recent years, the phenomenon known as a polar outbreak has become increasingly common, drawing attention from both scientists and the general public. A polar outbreak refers to a significant intrusion of cold polar air into mid-latitude regions, resulting in drastic temperature drops and severe weather conditions. This event typically occurs when the jet stream, which normally keeps cold air confined to the polar regions, becomes disrupted. Understanding the implications of a polar outbreak is crucial, especially in the context of climate change and its impact on our weather patterns.The causes of a polar outbreak can be complex, often involving various atmospheric dynamics. For instance, changes in sea surface temperatures, particularly in the Arctic and North Atlantic, can influence the behavior of the jet stream. When the jet stream becomes wavier or dips southward, it allows frigid air from the poles to spill into warmer areas, leading to what we experience as a polar outbreak. This can result in extreme cold snaps, heavy snowfall, and even blizzards in regions that are typically milder during winter months.The effects of a polar outbreak can be felt across vast distances. In some cases, cities that rarely experience snow may find themselves blanketed in white, while agricultural areas may suffer from frost damage to crops. Additionally, the increased demand for heating during these cold spells can strain energy resources, leading to power outages and economic disruptions. The health impacts should not be overlooked either; vulnerable populations may face heightened risks of hypothermia and other cold-related illnesses during a polar outbreak.Moreover, the frequency and intensity of polar outbreaks appear to be increasing in recent years, raising concerns among climatologists. While it is difficult to attribute any single polar outbreak directly to climate change, the overall trend towards more extreme weather events suggests a link. Warmer temperatures in the Arctic may be contributing to a weaker jet stream, which could explain why these cold air intrusions are becoming more prevalent. As such, understanding the relationship between climate change and polar outbreaks is an important area of research that requires further exploration.In conclusion, the concept of a polar outbreak is vital for understanding contemporary weather patterns and their broader implications. As we continue to grapple with the realities of climate change, it is essential to monitor how these events evolve and adapt our preparedness strategies accordingly. By doing so, we can better protect our communities and mitigate the adverse effects associated with these extreme weather phenomena. Whether through improved forecasting systems or community outreach programs, addressing the challenges posed by polar outbreaks will be critical in ensuring public safety and resilience in the face of an unpredictable climate future.

近年来，所谓的极地爆发现象越来越普遍，引起了科学家和公众的关注。极地爆发指的是冷极地空气显著侵入中纬度地区，导致温度骤降和恶劣天气条件。这种现象通常发生在喷射气流（通常将冷空气限制在极地地区）受到干扰时。理解极地爆发的影响至关重要，尤其是在气候变化及其对我们天气模式的影响的背景下。极地爆发的原因可能很复杂，通常涉及各种大气动力学。例如，特别是在北极和北大西洋的海面温度变化，可以影响喷射气流的行为。当喷射气流变得波动或向南弯曲时，它会允许来自极地的寒冷空气溢出到温暖地区，导致我们所经历的极地爆发。这可能导致极端寒潮、大量降雪，甚至在通常冬季温和的地区引发暴风雪。极地爆发的影响可以在广泛的距离上感受到。在某些情况下，几乎不下雪的城市可能会被白雪覆盖，而农业地区可能会遭受作物霜冻损害。此外，在这些寒冷时期，对取暖的需求增加可能会给能源资源带来压力，导致停电和经济中断。健康影响也不容忽视；在极地爆发期间，脆弱人群面临更高的低温症和其他与寒冷相关疾病的风险。此外，近年来极地爆发的频率和强度似乎在增加，这引发了气候学家的担忧。虽然很难直接将任何单一的极地爆发归因于气候变化，但整体朝向更极端天气事件的趋势表明存在联系。北极的温度升高可能导致喷射气流减弱，这可能解释了为什么这些冷空气侵入变得更加普遍。因此，理解气候变化与极地爆发之间的关系是一个重要的研究领域，需要进一步探索。总之，极地爆发的概念对于理解当代天气模式及其更广泛的影响至关重要。在我们继续应对气候变化现实的过程中，监测这些事件如何演变并相应调整我们的应对策略至关重要。通过这样做，我们可以更好地保护我们的社区，并减轻与这些极端天气现象相关的不利影响。无论是通过改善预报系统还是社区宣传计划，应对极地爆发带来的挑战对于确保公共安全和面对不可预测的气候未来的韧性至关重要。