Wood ignites at temperatures in the hundreds of degrees. How are some wildfires supposedly started by sunlight without human action or lightning?

Question

Wood ignites at temperatures in the hundreds of degrees. How are some wildfires supposedly started by sunlight without human action or lightning?

In: 1508

Answer 1

It’s also notable that wildfires don’t start by trees burning. Wood actually contains a very high content of water, so it’s very hard to burn it. What does burn easily though are dried out shrubs, leaves, and branches. That’s why in a drought with little rain wildfire risks climb so high. It is these things that will catch fore first then spread until it’s hot enough to ignite large trees.