cold wave

简明释义

寒流

英英释义

A cold wave is a sudden drop in temperature, typically defined as a significant decrease in temperature over a short period of time, often accompanied by strong winds and sometimes leading to frost or snow.

冷波是指气温的突然下降,通常定义为在短时间内温度显著降低,常伴随强风,有时会导致霜冻或降雪。

例句

1.The meteorologist warned that a cold wave(寒潮) would hit the region this weekend.

气象学家警告说,本周末该地区将受到一股寒潮(寒潮)的影响。

2.The cold wave(寒潮) caused schools to close for the day.

寒潮(寒潮)导致学校当天停课。

3.People are advised to stay indoors during the cold wave(寒潮) to avoid frostbite.

人们被建议在寒潮(寒潮)期间待在室内,以避免冻伤。

4.During the cold wave(寒潮), temperatures can drop significantly overnight.

寒潮(寒潮)期间,气温可能会在一夜之间大幅下降。

5.Farmers are worried about the impact of the cold wave(寒潮) on their crops.

农民们担心寒潮(寒潮)对他们作物的影响。

作文

A cold wave is a significant drop in temperature that can occur suddenly and last for several days or even weeks. These weather events are characterized by a rapid decrease in temperature, often accompanied by strong winds and sometimes precipitation in the form of snow or sleet. The phenomenon of a cold wave can have serious implications for both human health and the environment. Understanding the causes and effects of a cold wave is crucial for preparedness and response. The primary cause of a cold wave is typically a shift in atmospheric pressure patterns. When high-pressure systems dominate an area, they can push cold air down from the polar regions. This influx of cold air leads to a dramatic drop in temperatures, resulting in what we refer to as a cold wave. These events are most common during the winter months when the contrast between warm and cold air masses is most pronounced. The effects of a cold wave can be far-reaching. For individuals, exposure to extremely low temperatures can lead to hypothermia and frostbite, particularly for those who are not adequately prepared. Vulnerable populations, such as the elderly or those with pre-existing health conditions, are especially at risk during these cold spells. It is essential for communities to have plans in place to provide shelter and warmth for those in need during a cold wave. Beyond individual health concerns, a cold wave can also impact infrastructure and the economy. Roads and transportation systems may become hazardous due to ice and snow, leading to accidents and delays. Energy demand often surges during a cold wave, as people turn up their heating systems to combat the chill. This increased demand can strain power grids and lead to outages if not managed properly. Additionally, agriculture can suffer as crops may be damaged by unexpected frosts or prolonged cold temperatures. In recent years, climate change has added another layer of complexity to the occurrence of cold waves. While it may seem counterintuitive, as global temperatures rise, the polar regions can experience changes in their weather patterns that contribute to more frequent and intense cold waves in other parts of the world. This paradox highlights the interconnectedness of our climate system and the need for comprehensive strategies to address extreme weather events. To mitigate the impacts of a cold wave, communities must invest in weather forecasting and early warning systems. By providing timely information about impending cold snaps, individuals and families can take necessary precautions, such as stocking up on supplies or ensuring their heating systems are functioning properly. Public awareness campaigns can also educate people about the dangers of extreme cold and the importance of staying warm. In conclusion, a cold wave is more than just a drop in temperature; it is a complex weather event that can affect health, safety, and the economy. As we continue to face the challenges posed by climate change, understanding the dynamics of cold waves will be vital for building resilient communities. Preparation, education, and timely responses are key to minimizing the risks associated with these severe weather events.

寒潮是温度显著下降的现象,通常会突然发生并持续数天甚至数周。这些天气事件的特点是温度迅速降低,通常伴随着强风,有时还会降雪或雨夹雪。寒潮现象对人类健康和环境都有严重影响。理解寒潮的成因和影响对于应对和准备至关重要。寒潮的主要原因通常是大气压力模式的变化。当高压系统主导某个地区时,它们可以将来自极地的冷空气推送到该地区。这种冷空气的涌入导致温度急剧下降,从而形成我们所称的寒潮。这些事件在冬季最为常见,因为此时暖冷空气团之间的对比最为明显。寒潮的影响可能是深远的。对于个人来说,暴露在极低的温度下可能导致低体温和冻伤,特别是对于那些没有做好充分准备的人。老年人或有既往健康状况的脆弱人群在这些寒冷时期尤其面临风险。社区必须制定计划,在寒潮期间为需要帮助的人提供庇护和温暖。除了个人健康问题外,寒潮还可能影响基础设施和经济。由于冰雪的影响,道路和交通系统可能变得危险,导致事故和延误。在寒潮期间,能源需求通常会激增,因为人们调高供暖系统以抵御寒冷。这种需求的增加可能会给电网带来压力,如果管理不当,可能会导致停电。此外,农业也可能受到影响,因为作物可能会因意外霜冻或长时间的低温而受损。近年来,气候变化给寒潮的发生增添了复杂性。虽然这看起来是自相矛盾的,但随着全球气温上升,极地地区的天气模式可能会发生变化,从而导致世界其他地方更频繁和更强烈的寒潮。这一悖论突显了我们气候系统的相互联系,以及应对极端天气事件的全面策略的必要性。为了减轻寒潮的影响,社区必须投资于天气预报和预警系统。通过及时提供即将到来的寒潮的信息,个人和家庭可以采取必要的预防措施,例如储备物资或确保供暖系统正常运转。公众宣传活动还可以教育人们关于极端寒冷的危险以及保持温暖的重要性。总之,寒潮不仅仅是温度的下降;它是一个复杂的天气事件,可能影响健康、安全和经济。随着我们继续面对气候变化带来的挑战,理解寒潮的动态对建设韧性社区至关重要。准备、教育和及时响应是最小化与这些严重天气事件相关风险的关键。