山林野火可能会形成新的天气系统 | 对话

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📢  文末扫码进裙，免费领取双语精读版 Wildfires can create their own weather, including thunderstorms and tornado-like fire whirls The Conversation Sunspots  18 August, 2024 | 1025 words | ★★ ★ ★ ☆ Wildfire blowups, fire whirls, towering thunderstorms: When fires get large and hot enough, they can actually create their own weather. In these extreme fire situations, firefighters’ ordinary methods to directly control the fire don’t work, and wildfires burn out of control. But how can a fire create weather? The wildfire and weather connections Imagine a wildland landscape with dry grasses, brush and trees. A spark lands, perhaps from lightning or a tree branch hitting a power line. If the weather is hot, dry and windy, that spark could quickly ignite a wildfire. When vegetation burns, large amounts of heat are released. This heats the air near the ground, and that air rises like a hot air balloon because hot air is less dense than cool air. Cooler air the ………………………………