In which season does thunderstorm weather mainly occur?

Thunderstorms mainly occur in spring and summer. Due to the different climate between north and south, thunderstorm weather generally appears in April-September in the south and June-September in the north. Secondly, thunderstorms are disastrous weather phenomena caused by extremely unstable air. It often carries strong winds, heavy rains, lightning, lightning strikes, and even hail or tornadoes, so it can often cause disasters, so pay attention to safety matters.

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The life of a single thunderstorm cloud is very short, usually only one or two hours, and the period can be divided into three stages: development stage, maturity stage and dissipation stage. In the first stage, an updraft is formed, sending warm and humid air into the air. When the rising air gets cold, the water vapor in it begins to condense and turn into clouds.

As the airflow continues to rise, the clouds will accumulate higher and higher and go straight to the colder altitude. The water droplets in the clouds are getting bigger and heavier. Some are frozen into snow or hail, and some raindrops are getting bigger and bigger until they can no longer support the updraft. Downward flow, which comes when it rains or before it rains, will cause cool gusts, which means a thunderstorm is coming.

Local thunderstorm clouds are generally vertical clouds, with a small range, and the discharge phenomenon is from top to bottom, so it is called "direct thunder". Thunderstorms caused by such clouds have short rainfall time and little rainfall. When cold and warm air meet or the thunderstorm cloud generated in the low pressure area is a large area with gentle slope, and the lightning shape is relatively flat and oblique. This flat and inclined discharge phenomenon is called "lateral lightning". This is a thunderstorm caused by the weather system, with long rainfall time and heavy rainfall.