Anticyclone

An anticyclone, also known as a high-pressure system, is a weather phenomenon characterized by a large-scale circulation of air around a central region of high atmospheric pressure. In the Northern Hemisphere, air within an anticyclone spirals outwards in a clockwise direction, while in the Southern Hemisphere, it rotates counterclockwise. This air movement often leads to descending air, resulting in clear skies, settled weather conditions, and generally dry conditions. The strength and duration of an anticyclone can significantly impact local and regional weather patterns, sometimes leading to prolonged periods of sunshine or drought. The term contrasts with 'cyclone', which features low pressure and often brings cloudy skies and precipitation.

Anticyclone meaning with examples

• A powerful anticyclone settled over the region, bringing with it an extended period of exceptionally sunny weather and a noticeable absence of rainfall. This persistent high-pressure system resulted in ideal conditions for outdoor activities and agriculture, although concern grew about potential drought conditions. The clear skies were a welcome change for many, but the dry air posed a fire risk.
• The weather forecast highlighted the imminent arrival of a strong anticyclone, promising a prolonged period of stable and clear weather. The high-pressure system was expected to dominate the region for several days, dispelling any chances of rain. People planned outdoor events, the anticipation of sunny conditions buoyed spirits, and a chance for people to enjoy winter sports.
• During the summer months, the persistent influence of an anticyclone in the Atlantic often brings settled, warm weather to coastal areas. The downward movement of air and the absence of significant cloud cover create ideal conditions for beachgoers. However, this can also lead to a buildup of pollutants in the lower atmosphere due to stagnant air.
• Meteorologists tracked the movement of an anticyclone across the country, noting its impact on temperature and wind patterns. The anticyclone caused a noticeable increase in temperature, and wind. Farmers monitored the situation, looking for potential effects on their crops and overall agricultural productivity.