What is the wind level?

Level 1 light smoke drifts with the wind;

Level 2 light breeze blowing in the face;

Level 3 leaves moving and red flag display;

Fourth Level branches shook pieces of paper;

Five-level small trees swayed in the wind.

Level 6 has difficulty lifting an umbrella;

Level 7 has difficulty walking in the wind;

Level 8 winds blow branches off;

Level 9 Tiles flew off the roof;

Uprooting trees and knocking down houses at level 10;

Rarely seen at levels 11 and 2.

Extended information

Wind scale (wind scale), referred to as wind scale, is a method of expressing wind intensity (wind power). Wind force refers to the force exerted by wind blowing on an object.

Generally, the wind force is divided into 13 levels based on the various phenomena caused by the wind blowing on objects on the ground or water surface, with the minimum being level 0 and the maximum being level 12.

According to the national standard "Wind Power Level" issued by my country in June 2012, based on the wind speed at a height of 10 meters at the standard meteorological observation site, the wind power level is divided into 18 levels, which are common units for expressing wind speed. There are three, namely nautical miles/hour, meters/second, and kilometers/hour. The commonly used unit for typhoon forecasting in my country is meters/second.

Reference materials

Baidu Encyclopedia - Wind Power Level Table

Edited on 2018-09-19

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Twelve wind levels jingle

The wind level we usually refer to in daily life is the meteorological wind level, which is different from the typhoon wind level.

See below: Meteorological wind level: Wind level 0 Overview No wind, land is quiet, smoke goes straight to the coast 0-0.2 Equivalent wind speed (m/s) 0.3-1.5 Wind level 1 Overview Soft wind, land smoke can indicate direction, but the wind vane cannot rotate coastal fishing boats Equivalent wind speed without movement (m/s) 0.3-1.5 Wind level 2 Overview Light wind On land, people feel the wind on their faces, the leaves rustle slightly, and the usual wind vane turns. When a coastal fishing boat spreads its sail, it can move with the wind. Equivalent wind speed (m/s) 1.6 -3.3 Wind level 3 General breeze The leaves and branches on the land are shaking constantly, and the flags are spread out. The fishing boats on the coast gradually feel the turbulence. Equivalent wind speed (m/s) 3.4-5.4 Wind level 4 General breeze The land can blow up dust and paper on the ground, and the trees Small branches swaying on the coast. When the fishing boat is full sail, it leans to one side. Equivalent wind speed (m/s) 5.5-7.9 Wind level 5. Overview of light breeze on land. Small trees sway on the coast and water surface creates waves. Equivalent wind speed (m/s) 8.0-10.7 Wind level 6. Overview of strong wind on land. Big branches are swaying, power lines are whirring, and it is difficult to lift an umbrella. Coastal fishing boats double down on their sails. Fishing must pay attention to the dangers. Equivalent wind speed (m/s) 10.8-13.8 Wind level 7. Overview of strong winds. Big trees on land are shaking, and it is inconvenient to walk in the wind. Coastal fishing boats In the anchorage port, the equivalent wind speed for anchoring overseas (m/s) is 13.9-17.1. Wind level 8. Overview: In strong winds, branches on land are broken, and the resistance is great when walking against the wind. Ships on the coast and near the harbor cannot stay at the equivalent wind speed (m/s). 17.2-20.7 Wind level 9 Overview: Strong winds on land cause damage to chimneys and bungalow roofs (chimney tops and flat roofs shake) Coastal steamboat navigation is difficult. Equivalent wind speed (m/s) 20.8-24.4 Wind level 10 Overview: Strong winds are rare on land, and trees can be uprooted It is very dangerous for coastal steamboats to destroy houses. Equivalent wind speed (m/s) 24.5-28.4 Wind level 11. Overview Storms are rare on land, and if there are, they will be severely damaged. Coastal motorboats are extremely dangerous. Equivalent wind speed (m/s) 28.5- 32.6 Wind Level 12 Overview Hurricanes are rare on land, and their destructive power is extremely high. Coastal waves are monstrous. Equivalent wind speed (m/s) 32.6 and above

1 likes·17 views2017-09-14

Twelve wind level jingles

Level 0 smoke plumes straight into the sky, level 1 green smoke drifts with the wind, level 2 light breeze blows the face, level 3 leaves move and red flags are displayed, level 4 branches shake paper. Level 5: Level 5 leaves small trees shaking, Level 6 it is difficult to walk with an umbrella, Level 7 it is inconvenient to walk in the wind, Level 8 wind breaks branches, Level 9 roof tiles fly, Level 10 uproots trees and collapses houses, Level 11.12 is rare on land. . 1. Wind speed is the forward speed of the wind. The greater the air pressure difference between two adjacent places, the faster the air flows, the greater the wind speed, and the greater the power of the wind. Therefore, wind force is usually used to express the size of the wind. The unit of wind speed is expressed in meters per second or kilometers per hour. When issuing weather forecasts, wind levels are mostly used. 2. The distance that the wind moves per second - the wind speed. The formula is "from all the way to nine, multiply by 2 for each level." This means: from level one to level nine, multiply each level by 2 to roughly get the maximum speed of the wind.

36 likes · 987 views 2019-08-24

Twelve wind levels jingle y

Level 1 light smoke drifts with the wind, Level 2 breeze blows the face Level 3: Leaves moving, red flag spreads; Level 4, branches shake and pieces of paper fly away; Level 5, small trees sway in the wind; Level 6, difficulty in lifting an umbrella; Level 7, difficulty in walking in the wind; Level 8, branches are blown by the wind; level 9, roof tiles fly; Level 10: Uprooting a tree and falling down the house. Rarely seen on eleven or two levels

13 likes · 118 views 2017-08-23

Twelve wind-level jingles—to find the answer, come to "Ask"< /p>

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Level 1 to 12 jingle

Level 1 light The smoke drifts with the wind; the second level breeze blows on the face; the third level leaves move and red flags are displayed; the fourth level branches shake and fly away; the fifth level small trees sway with the wind. At Level 6, it is difficult to lift an umbrella; at Level 7, it is difficult to walk in the wind; at Level 8, branches are broken by the wind; at Level 9, tiles fly off the roof; at Level 10, trees are uprooted and houses fall down; at Level 11, it is rare. Extended information Wind speed is the forward speed of the wind. The greater the air pressure difference between two adjacent places, the faster the air flows, the greater the wind speed, and the greater the power of the wind. Therefore, wind force is usually used to express the size of the wind. The unit of wind speed is expressed in meters per second or kilometers per hour. When issuing weather forecasts, wind levels are mostly used. How is the wind force level determined? The distance that the wind moves per second - wind speed, the formula is "from all the way to nine, times 2 for each level". This means: from level one to level nine, multiply each level by 2 to roughly get the maximum speed of the wind. For example, the maximum speed of level 1 wind is 2 meters per second, level 2 wind is 4 meters per second, level 3 wind is 6 meters per second... and so on. There are also transition numbers between various levels of wind. For example, level 1 wind is 1-2 meters per second, level 2 wind is 2-4 meters per second, level 3 wind is 4-6 meters per second, and so on.

If necessary, the wind force can be converted into the corresponding wind speed, which is the distance of air flow per unit time, expressed in meters per second. The conversion formula is for reference: two is two to one is one, and three is three plus one. . Levels four to nine are not difficult to calculate, just subtract two and multiply by three. Levels ten to twelve are rare, so just keep level ten in mind and it will be easy to handle. Level 10 wind speed is 27, add four for each additional level. That is: the wind speed of Level 1 wind is equal to 1 meter/second, and the wind speed of Level 2 wind is equal to 2 meters/second. The wind level of Category 3 wind is increased by 1, and its wind speed is equal to 4 meters/second. For levels four to nine, subtract 2 and multiply by 3 from the level to get the wind speed of the corresponding level. The wind speed calculation for level 10 to level 12 is the same. The wind speed of level 10 is 27 meters/second. Add 4 to this to get the wind speed of level 11 of 31 meters/second. Add 4 to get the wind speed of level 12 of 35 meters/second. Reference materials Baidu Encyclopedia - Wind Level

539 likes · 32,058 views 2019-08-07

Twelve wind level jingles r

Zero-level smoke columns soaring into the sky , Level 1 green smoke drifts with the wind, Level 2 light breeze blows on the face, Level 3 leaves move and red flags are displayed, Level 4 branches shake flying paper, Level 5 small trees with leaves shake, Level 6 it is difficult to walk with an umbrella, Level 7 it is difficult to walk in the wind, Level 8 winds blow branches off, level 9 winds cause tiles to fly off roofs, level 10 winds uproot trees and collapse houses, and level 111 or 12 winds are rare on land.

22 likes · 202 views 2017-08-26

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