Quick Answer
Damp green branches can create a visible smoke column for signaling, but only if they are green and have a high water content. The smoke will be thicker and more visible when burning damp green branches. This technique is most effective in dry, humid environments.
Choosing the Right Branches
When selecting green branches for signaling, look for ones with a high water content. These branches are typically lighter in color, and the leaves may still be attached. Aim for branches that are between 1/4 to 1 inch in diameter, as these will burn more consistently and produce a thicker smoke. Avoid branches with a high resin content, as they can produce less smoke and more soot.
Preparing the Branches
To prepare the branches for burning, find a dry spot and break the branches into smaller pieces. This will help them dry faster and burn more easily. You can also strip the leaves from the branches, but this is not necessary. The goal is to create a smoldering fire that will produce a thick smoke.
Creating the Signal Fire
To create a visible smoke column, build a small fire using your prepared branches. Use dry tinder and kindling to get the fire started, and then add your green branches to the fire. The key is to create a smoldering fire that will produce a thick, white smoke. To achieve this, you can add a small amount of green leaves or pine needles to the fire, as these will help to produce a more intense smoke. Once the fire is burning steadily, you can adjust the size of the flames to control the amount of smoke produced.
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