How to judge the wind direction according to the weather map?

Wind direction and wind direction are represented by wind vanes on the weather map. Weather maps are divided into ground maps and high-altitude maps. Generally speaking, our daily wind is the wind on the ground map.

Wind direction: expressed by vector pole, that is, F in LZ, indicating the direction of wind. The direction of the wind direction is based on the longitude and latitude lines on the map. In other words, if LZ gets a weather map, let the latitude be horizontal, up north and down south. Then observe the wind vane, and the vertical direction of F points to the direction of wind blowing. There is an F in this picture, which means the north wind, and the head (the side with bars) of F points to the north (that is, the top), which means the wind blows from the north, that is, the north wind blows to the south.

Wind speed: indicated by sagittal feathers. It's a bar on F, and the bar is long or short. The long stroke means 4m/s, the short stroke means 2m/s ... The small pennant means 20m per second.

I don't know if the explanation is clear. If you don't understand anything, please ask lz questions in detail.