Why is it always sunny before a storm?

The morning glow never dies, and the evening glow goes to Wan Li. In a relatively stable climate, Wan Li Road is used at sunset, which means the weather is fine. When the morning glow is all over the sky, there is a great possibility of rain. Cirrus clouds appear in the sky, that is, the clouds are in a pure white ponytail shape, but gradually turn dark, indicating that it is sunny now, but it may rain a day later. Cumulus clouds appear in the sky, that is, clouds are dark and thick, which indicates that there will be thunderstorms and strong winds. There is a thin cirrostratus in the sky, and it may rain after half a day. If there are no more clouds around the hills, people will feel less depressed, which shows that it will not rain in the short term.

Distinguish between weather and animal behavior.

A sign of good weather 1, the morning chirp in Massachusetts indicates sunny weather. Sparrows are very sensitive to weather changes. The better the weather, the worse the barking. 2. The increase of lark calls indicates a sunny day-the brisk calls of larks from a distance can prove that it is a good day with dry air. 3. In the morning, there are water droplets on the spider web, indicating that the weather is fine-sunny, and the temperature is low in the morning, so that the water vapor in the air condenses into small water droplets and flashes on the spider web. It usually doesn't rain.

Signs of rain. Frogs chirping and swallows flying low are omens before rain. There are also several kinds: 1, ants crossing the road-ants digging holes in the ground will run away before it rains when they feel that the holes will be flooded. 2, the earthworm out of the hole-the ground is wet and soft, and the earthworm will climb out of the ground, indicating that it will rain. Before the rain, there were signs of mosquitoes swarming, rain ants swarming and cats washing their faces.

Signs of bad weather:

1. The wind in the valley blows from the top of the mountain to the valley during the day and from the valley to the top of the mountain at night.

2. Silk clouds appear in the morning, and then black clouds increase and slowly sink.

3. The cloud moves very fast and tends to increase, which is the precursor of the storm.

The wind changes suddenly, blowing harder and harder, accompanied by dark clouds.

5. After dry heat or fog, the visibility suddenly increases.

The fog filled the valley in the morning and still lingered at night.

7. There is a big halo around the sun during the day and a small halo around the moon at night, which is a sign of strong wind.

8. The stars twinkle before dawn

9. The temperature rises at night, it is warmer at night, and it feels sultry.

10. The rising clouds in the half valley may be a sign of the coming storm.

1 1. In addition, when the weather changes, nature and wildlife will also change. If you pay attention to observation, you can also predict the future weather.

Sound and smell: When the air humidity increases, the sound will travel farther and the smell will be easier to distinguish-saturated wet air is like an amplifier and is a good conductor. For example, you can't hear the sound of the train running in some places, but you can clearly hear the sound of the train before it rains one day.

Physical changes: When the weather gets worse, the curling iron will feel that its hair is getting tighter and harder to comb-just like animal hair, if it becomes easy to wind or not as straight and easy to comb as usual, it is likely that a storm will come. When the air humidity increases, anyone suffering from rheumatoid arthritis, corns or related symptoms will feel pain and discomfort.

Observe the bonfire: if the fireworks rise steadily, it means that the weather will not change much, and it is still good. If the fireworks flash or fluctuate, there may be a storm on the right.

When the weather is good, the temperature difference between day and night changes greatly, and the water vapor in the cold air becomes small drops or forms frost, so the colder the night, the better the weather the next day, with dew at night and sunny the next day. If you see water droplets on the spider web in the morning, it will clear up. If you see frost in the morning, it will indicate another good weather.