How to use a diagram to represent the transition from moderate rain to heavy rain

To illustrate the transition from moderate rain to heavy rain, first draw the clouds, and then draw two dotted vertical lines under the clouds. The dotted lines should be drawn from top to left. It means moderate rain. To represent heavy rain, use the same method to draw the cloud pattern. Just add a few more dotted lines below.

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1. The weather is divided into sandstorm, wind direction, moderate rain, heavy rain, snow, heavy snow, cloudy, heavy rainstorm, floating dust, hail, etc. Moderate rain is rain with a precipitation of 2.6 to 8 mm within 1 hour. Characteristics: The rain falls like a line, and the raindrops are difficult to distinguish. It splashes on hard ground and water accumulates quickly in depressions. There was rustling and rain on the roof. Moderate rain is a rainfall process in which the precipitation reaches 10 to 25mm within 24 hours.

2. Heavy rain generally refers to rainfall with a daily precipitation of 25 to 49.9 mm or rain with a rainfall of 8.1 to 16.0 mm in an hour. According to traditional weather science definitions, precipitation is defined as light rain 0.1 to 9.9 mm/d and moderate rain 10 to 24.9 mm/d.

3. The characteristics of heavy rain are that the rain falls like a downpour, blurring into sheets, and water accumulates in depressions very quickly. The sound of rain can be clearly heard. The rainfall process is 15 to 30mm in 12 hours or 25 to 49.9mm in 24 hours. Heavy rainfall. Heavy rain 25 to 49.9mm/d, heavy rain 50.0 to 99.9mm/d and other types.

4. Rain is liquid water droplets falling from clouds to the ground. Rain is a cloud composed of liquid water droplets called aquatic clouds. Water clouds have the conditions for cloud droplets to grow into raindrops, so that the raindrops have a certain falling speed, and what falls is rain or drizzle.

5. Clouds composed of ice crystals are called ice clouds, and clouds composed of water droplets and ice crystals are called mixed clouds. Ice crystals or snowflakes falling from ice clouds or mixed clouds fall into the air layer above 0°C. After melting, they also become raindrops and fall to the ground, forming rainfall.