It creates a mosaic of different habitats at different stages of restoration.
When you take care of the prairies you're also taking care of the wildlife.
It'll green up quickly. The big, burned blackened area acts as a solar collector, and the soil, in a week's time, will be 20 degrees warmer in the burned area than in the non-burned area so you can see how it speeds up the growth of the warm season native grasses.
In my life I've burned over 1,000 acres and never had a fire get away and cause any problem. It's an extremely controlled art. When folks see it for the first time they're amazed at how safe and secure a process it is.
It's more related to plant biology than weather. But weather is a deciding factor on whether or not you can burn on any given day.