arctic front

简明释义

北极锋

英英释义

例句

1.The arrival of the arctic front (北极锋) has caused a drop in temperatures by more than 20 degrees.

随着arctic front (北极锋)的到来，气温下降超过20度。

2.Meteorologists are tracking an arctic front (北极锋) that could cause heavy snowfall in the northern states.

气象学家正在追踪一个可能导致北方州降雪的arctic front (北极锋)。

3.The weather forecast predicts that an arctic front (北极锋) will bring freezing temperatures to the region this weekend.

天气预报预测，一个arctic front (北极锋)将在这个周末带来寒冷的气温。

4.Residents are advised to prepare for the harsh conditions expected with the incoming arctic front (北极锋).

居民被建议为即将到来的arctic front (北极锋)所带来的恶劣天气做好准备。

5.Travel plans may need to be adjusted due to the anticipated arctic front (北极锋) moving through the area.

由于预计会有arctic front (北极锋)经过该地区，旅行计划可能需要调整。

作文

The phenomenon known as the arctic front plays a significant role in shaping the weather patterns experienced across various regions, particularly during the winter months. An arctic front refers to the boundary that separates cold, polar air masses from warmer air masses. This boundary can lead to dramatic changes in temperature and weather conditions, often resulting in severe winter storms or sudden drops in temperature. Understanding the dynamics of an arctic front is crucial for meteorologists and anyone interested in weather forecasting.When an arctic front moves southward, it brings with it frigid air from the Arctic region. This movement can be triggered by various atmospheric conditions, including high-pressure systems that push cold air downwards. As this cold air collides with warmer air, it creates instability in the atmosphere, leading to the formation of clouds and precipitation. The result can be a snowstorm or a drop in temperatures that can affect daily life significantly.For instance, when an arctic front sweeps through the Midwest of the United States, residents may experience a rapid decrease in temperature, sometimes by as much as 30 degrees Fahrenheit in just a few hours. This sudden change can lead to hazardous driving conditions, increased heating costs, and even health risks for those unprepared for the extreme cold. It is essential for communities to have plans in place to respond to the impacts of an arctic front, such as providing shelters for the homeless and ensuring that public transportation remains operational despite the inclement weather.Moreover, the effects of an arctic front are not limited to temperature changes. These fronts can also influence precipitation patterns. For example, when warm, moist air rises over the cold air associated with an arctic front, it cools and condenses, leading to snowfall. In some cases, if the warm air is significant enough, it can create mixed precipitation, such as sleet or freezing rain, which can cause even more dangerous conditions on the roads.The impact of an arctic front extends beyond immediate weather concerns; it can also have long-term effects on ecosystems and agriculture. For farmers, a sudden arctic front can damage crops that are not resilient to extreme cold. Livestock may also be at risk if they are not adequately sheltered from the harsh conditions. Therefore, understanding when an arctic front is likely to occur can help farmers take preventative measures to protect their livelihoods.In conclusion, the arctic front is a critical weather phenomenon that can bring about significant changes in temperature and precipitation. By studying and understanding the characteristics of an arctic front, we can better prepare for its impacts, ensuring safety and stability in our communities. Whether it involves preparing for a snowstorm or protecting crops from unexpected frost, awareness of the arctic front is essential for navigating the challenges posed by winter weather.

被称为北极锋的现象在塑造各个地区的天气模式方面发挥着重要作用，尤其是在冬季。北极锋指的是分隔寒冷极地气团和温暖气团的边界。这条边界会导致温度和天气条件的剧烈变化，常常导致严重的冬季风暴或温度的突然下降。理解北极锋的动态对于气象学家和任何对天气预报感兴趣的人来说都是至关重要的。当北极锋向南移动时，它带来了来自北极地区的寒冷空气。这种移动可能是由各种大气条件触发的，包括将冷空气向下推送的高压系统。当这些冷空气与温暖空气相撞时，会在大气中产生不稳定性，导致云和降水的形成。结果可能是雪暴或温度的下降，这会显著影响日常生活。例如，当北极锋席卷美国中西部时，居民可能会经历温度的快速下降，有时在短短几小时内下降多达30华氏度。这种突然的变化可能导致危险的驾驶条件、取暖成本的增加，甚至对那些没有准备好应对极端寒冷的人构成健康风险。因此，社区必须制定计划，以应对北极锋的影响，例如为无家可归者提供庇护所，并确保公共交通在恶劣天气下仍然能够正常运营。此外，北极锋的影响不仅限于温度变化。这些锋面还可以影响降水模式。例如，当温暖潮湿的空气在与北极锋相关的冷空气上升时，它会冷却并凝结，导致降雪。在某些情况下，如果温暖空气足够强大，它可能会产生混合降水，例如雨夹雪或冻雨，这可能会在道路上造成更危险的条件。北极锋的影响超出了即时的天气关注；它还可能对生态系统和农业产生长期影响。对于农民来说，突如其来的北极锋可能会损害那些对极端寒冷不具抵抗力的作物。如果牲畜没有得到充分的庇护，它们也可能面临风险。因此，了解何时可能发生北极锋可以帮助农民采取预防措施以保护他们的生计。总之，北极锋是一个关键的天气现象，可以带来温度和降水的显著变化。通过研究和理解北极锋的特征，我们可以更好地为其影响做好准备，确保我们社区的安全和稳定。无论是准备应对雪暴还是保护作物免受意外霜冻的影响，意识到北极锋对于应对冬季天气带来的挑战至关重要。