What are the characteristics of the weather?

The weather is changeable, and secondly, the time is short.

Analysis: Weather refers to the specific state of the near-surface atmosphere in a short time. We often describe it like this: sunny, rainy, high temperature, low temperature, strong wind, small wind and so on. The remarkable feature of the weather is changeable.

The important features of weather are temperature, precipitation, cloud cover, humidity, wind and so on. Weather is the specific situation of the atmosphere close to the surface in a short time in a certain area. Weather phenomena are all kinds of natural phenomena that only occur in the atmosphere.

Weather process is a weather phenomenon in a certain area. With the change of time, various weather systems have certain spatial and temporal scales. Systems of all sizes are intertwined and influence each other. The combination of many weather systems constitutes a wide range of weather forms, forming a hemispheric and even global atmospheric circulation.

Meteorological terms:

1, time division: the daytime mentioned in the weather forecast refers to 8: 00 to 20: 00 local standard time, in which 17: 00 to 20: 00 is called evening; Call night after 20 o'clock to 8 o'clock the next day.

2. Weather conditions (the division between cloudy and sunny): sunny means that the amount of clouds in the sky is less than 30% (that is, 30%) all day; Cloudy is the sky condition when there are 4-70% medium-low clouds or 6- 10% high clouds in the sky; Partial cloudy is the sky condition when there are 1-3% medium-low clouds or 4-50% high clouds in the sky; A cloudy day is a weather phenomenon in which the sky is dark and the clouds are densely covered, or even if there are gaps in the clouds, the sky still feels dark (accounting for more than 80% of the total amount of clouds), and occasionally weak sunlight can be seen from the gaps in the clouds.