Level zero is windless, candle flames do not fluctuate, the lake is unusually calm, and you don't feel any wind when walking.
Level 1 is a soft wind, with slight waves on the surface of the lake and a slight inclination of the cooking smoke.
Level 2 is a fresh breeze, the leaves will be slightly rattled, dandelions will be blown away, and there will be a slight breeze on the face.
Level 3 is a breeze, the wind turbine can operate normally, and the red flag will also be displayed with the wind.
Level 4 is a gentle wind, the branches will swing back and forth, and dust will appear in the air.
Level 5 is a light breeze, the sea will be slightly waved, Yusheng is not recommended to wear a skirt, it is easy to go out.
Level 6 is a strong wind, the wire ghost crying wolf howl, whistling, outdoor umbrella lifting is also difficult, at this time the high-altitude work must also stop, otherwise there will be life danger.
Level 7 is a gust of wind, at this time the windward is almost inconvenient, 300 pounds to jump in place, the buckle of the bar should not be a problem.
Category 8 is windy, tree branches will be blown off, transportation will be immobile, especially electric vehicles will be very dangerous.
Level 9 is a cracked wind, the roof tiles will be blown away, the building will also be damaged, and the physique of more than 500 pounds may be as stable as Mount Tai. Below 100 pounds, you can only ask for blessings.
Category 10 is a strong wind, and the sea will be strong, ships will be difficult to navigate, large trees will be uprooted, and buildings will be severely damaged.
Category 11 is a storm, cars are blown away, buildings in the center are almost unlucky, and insurance companies cry in the toilet.
Category 12 is a typhoon, the waves roar wildly, the navigation of the ship is difficult, and there is a danger of being submerged at any time.
Category 13 to 14 is a hurricane, extremely destructive, buildings are almost vulnerable, everywhere they go will be in ruins, and humans will be directly in place in the central area.
Category 14 to 15 is a strong typhoon, at this time it is difficult for an aircraft weighing hundreds of kilograms to maintain balance, and even spin in place, and when experiencing the eye of the wind, there is a danger of crashing at any time.
Category 16 to 17 is a super typhoon, and in 2013 and 2015, the Philippines was swept by a super typhoon of category 17, which caused half of the Philippines to be razed to the ground.
By analogy, level 20 or above should be "Mei Chaofeng", which can cause tens of meters of monstrous and cause a huge tsunami, if it appears, it will be a terrible disaster that destroys the world and the earth.