What does the weather forecast mean by two flashes of lightning?

Two lightning symbols in weather forecast are usually used to indicate thunderstorm weather or lightning warning. This symbol is a three-dimensional pattern composed of two lightning symbols, the upper symbol is slightly smaller than the lower symbol. This means that in the weather forecast area, lightning activities may occur to remind the public to take precautions. Thunderstorm weather, there may be lightning, thunder and heavy rain. Therefore, if you encounter such weather conditions, please take safety measures in time to avoid being affected by potential dangers.