In prescribed burning, we call this a "window." Some years it never happens. There's too much rain, or not enough; the air quality is too poor to add smoke to it; there is too much green grass already. Sometimes the window is only open for a few hours. We have to be ready.
We pile into trucks and fire engines and drive as close as we can. We fill drip torches with a mixture of gasoline and diesel. Someone records the temperature, humidity, and wind. We light a small fire in a corner. This is a test; if it goes well we burn. If not we wait, or go away. Usually we burn.
On Tuesday we burned. It was a good day.
|Midway through the burn|
|Snow and smoke|
|One of the engines surveys a burn unit|