Because the indefinite article 'a' means any one of a kind or group. In this sentence you are not talking about one cyclone, but any cyclone, cyclones in general. Also cyclones is plural. So you use zero article.If you said 'A cyclone is generally accompanied .............' then that is ok.This applies to the other nouns precipitation and weather.
In the United States cold weather can travel in several directions. It can travel southward from the north. It can travel eastward from the Pacific. Those are the most likely. However, in unusual cases it can come from other directions. Sometimes you will hear of a southeaster when cold weather comes from the south east.
The greenhouse effect
Many scientist use station models to see and identify any weather patterns and occurrence's in the weather.
The jet stream affects the weather patterns that give certain regions their own distinct meteorological identities.
Cyclones - air cools and clouds form and may cause rainy or stormy weather. Anticyclones - it brings dry and clear weather.
Meteorologists track cyclones and anticyclones because these are dangerous weather situations. If a meteorologist can warn the public that cyclones are going to be in their area, then it may stop people from getting hurt.
Tornadoes are neither cyclones nor anticyclones. They are a type of severe weather phenomenon that consists of a rotating column of air extending from a thunderstorm to the ground. Cyclones and anticyclones refer to large-scale weather systems characterized by rotating areas of low and high pressure, respectively.
Anticyclones usually bring clam, sunny weather.
Cyclones are characterized by low atmospheric pressure and bring unsettled weather with strong winds and precipitation. They often bring stormy conditions, including rain and thunderstorms. Anticyclones, on the other hand, have high atmospheric pressure and typically bring stable weather with calm winds, clear skies, and dry conditions. They are associated with fair weather and sometimes result in hot and sunny conditions.
Anticyclones usually bring clam, sunny weather.
Both cyclones and anticyclones are large-scale weather systems characterized by circular motion. Cyclones are associated with low pressure systems, which bring stormy weather and precipitation, while anticyclones are associated with high pressure systems, which bring fair weather and clear skies.
Both cyclones and anticyclones are large-scale atmospheric circulations characterized by rotating areas of high and low pressure, respectively. Cyclones are associated with rising air and often bring stormy weather, while anticyclones are associated with sinking air and typically result in more stable and calm conditions.
During a cyclone, the air in the center of the storm rises, cools, and forms clouds that lead to rain. Anticyclones bring clear skies, low winds, and dry weather.
Anticyclones usually bring clam, sunny weather.
Yes, an anticyclone is a high-pressure weather system associated with calm, clear weather. Anticyclones spin in the opposite direction of cyclones.
Fine , Calm Weather. Often Frosty Mornings In The Winter.