What does Brown smoke mean?

Brown smoke is usually a sign that untreated wood is burning, meaning the fire has grown from being a room and contents type event to a structural event where the rafters and building itself are burning, Dodson said.

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Correspondingly, why are fire flames usually yellow or orange?

Orange and Yellow Flames Indicate Unburned Carbo. Carbon is typically burned through combustion, but trace amounts may linger. As the fire burns, some of these unburned carbon compounds are released into the flame rather than fully igniting. The end result is an orange- or yellow-colored flame. Are colored smoke bombs illegal? It's not illegal to buy them, it's not illegal to use them, provided you're over 18, you can pull that pin. Just use them on your own land or seek permission. If you cause panic or a disturbance then you most certainly will be breaking a law, so you must use discretion.

Can smoke be colored?

Colored smoke is a kind of smoke created by an aerosol of small particles of a suitable pigment or dye. Do smoke bombs stain grass? While the bombs shouldn't stain the ground, they might leave a residue that will wash away over time. It's always best to consult your venue before using them on the property.

Moreover, what does grey smoke mean?

White smoke can often mean material is off-gassing moisture and water vapor, meaning the fire is just starting to consume material. Grey smoke can indicate that the fire is slowing down and running out of materials to burn.