Why before the hot weather rain shower?

In the morning, the sun was just growing but the air was very hot, the fan whirled, but the sweat of the sweat was still meager. Heaven is not only hot and suffocating: It is the beginning of a shower.

It often signals a shower.

Showers often occur in the summer. In order to have showers, there are two conditions.One is high ground temperature, two air must have high humidity. The hot ground makes the air layer close to the ground warming up, becoming lighter and flying into the air. But if it is hot, the air is dry and the shower cannot happen. Only when the humidity is high, the steam rises in the sky to form the cumulonimbus cloud to be able to rain.

The air is hot and humid, making the surface of the Earth unable to evaporate. Sweat on human body is also difficult to dry. At that time, I felt uncomfortable and suffocated. That feeling is similar to when we are in a summer shower, with high humidity and high temperature.

So, when you see the heat , it means that the surrounding air has both a high humidity and a high temperature, which is enough for a shower to occur.

But sometimes the phenomenon of sultry air happens without any rain. That is because the micro-fleet of summer rains is relatively small . Maybe somewhere is showering but where we are not.