What's the weather like on Tuesday

Weather refers to the specific state of the atmosphere near the surface in a short period of time. Weather phenomenon refers to various natural phenomena in the atmosphere, that is, the comprehensive expression of the spatial distribution of various meteorological elements in the atmosphere (such as temperature, pressure, humidity, wind, clouds, fog, rain, flash, snow, frost, thunder, hail, haze, etc.). ) in an instant.

The weather process is the change process of weather phenomena with time in a certain area. All kinds of weather systems have certain spatial and temporal scales, and all kinds of scale systems are intertwined and interact with each other. The combination of many weather systems constitutes a large-scale weather situation and hemispheric and even global atmospheric circulation.

The origin of clouds

The weather system is always in the process of rebirth, development and extinction, and there are corresponding weather phenomena in different development stages. Wind direction refers to the direction in which the wind blows. For example, the north wind refers to the air flowing from north to south. Wind direction is generally expressed in eight directions, namely, north, northeast, east, southeast, south, southwest, west and northwest.

People are no strangers to clouds. White in sunny days and black in rainy days are called clouds. They make the sky unpredictable. People often see that the sky is sometimes blue and cloudless, sometimes white clouds are blooming, and sometimes dark clouds are gathering. Clouds floating in the sky are composed of many tiny water droplets or ice crystals, some of which are mixed together. Sometimes it also contains some big raindrops and ice particles. The bottom of the cloud does not touch the ground and has a certain thickness.