The specific explanation of icons appearing in TV weather forecast should be comprehensive.

Never studied geography? One line of rain is light rain, two lines of moderate rain, three lines of heavy rain, four lines of heavy rain, and so is snow. Light blue represents mild, blue represents severe, and dark blue represents severe. The wind is one horizontal, two horizontal and three horizontal than the capital F. Which direction is the wind direction, according to the law of up, down, south, left, west, right and east. There are also cooling, hail, drought and weather forecast.