Surviving a forest fire by starting another fire
Awhile back I heard on CBC radio about a man who got trapped in a forest fire (surrounded on all sides) and survived. The way he survived was so ridiculous that he was brought to court and almost fined/put in jail: He fought the fire with another fire.
He was in the thick bush with white hot fire closing in the distance. He lit a tree on fire where he was and let it spread. He hit the floor and let his fire blackened all the surrounding trees. Afterwards when the real fire was approaching, it couldn't get to him because of his pocket of burnt trees.
The man claimed back in the day, this was common knowledge.
Does this have any validity / is this the thing to do if surrounded by a forest fire ?
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This sounds like an "escape fire" (Wikipedia); see also the Mann Gulch Fire for a real life example.
One of the The Gods Must Be Crazy movies had this technique used in a wildfire in the African savannah.
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A vivid description of this is described in "Young Men & Fire"
https://en.wikipedia.org/wiki/Young_Men_and_Fire
Early 50's Forest service is developing smoke jumpers. At the time teams didn't train together as a team. They drop into the Mann Gulch fire, above it. Their plan was to come down the gulch opposite the fire, cross over and fight it from below.
Fire crowned, and jumped the valley. Both sides of the Missouri River end of the gulch were burning.
Dodge, the crew chief, order a retreat. If they could get above timberline the fire would only have grass and small brush to burn.
The fire wasn't moving that fast. Maybe 3-4 mph. But timberline is at 8,000 some feet. Keeping ahead while climbing, dressed in boots, tin-pants, cotton plaid shirt isn't quite the same as doing a beach jog in Malibu, CA.
Dodge lit a book of paper matches, and torched a meadow of grass, stepped across the flame, and waited. Once the fire was a few feet out, he lay down, and waited.
Fire passed him by.
A very vivid song that, within the limited scope of a folk song, is pretty accurate, was done by James Keelaghan, "Cold Missouri Waters"
https://www.youtube.com/watch?v=Dztj4X3fQps
If you want the book:
Also available as an Audible book. https://www.audible.ca/pd/Young-Men-and-Fire-Audiobook/B072FDXGHR
In passing: The flame front in a grass fire is very narrow, often only being a few feet wide. (Dodges crew were caught above tree line in a dry meadow) While intensely hot, it's not unreasonable to run through it. I've read about this done by natives and settlers on the great plains. The key issue is to not inhale when passing through the flame. You will lose exposed hair, and have burns on any exposed skin.
McLean in the book describes the fire as moving at a fast walk on level ground. 3-4 mph. Flames ranging from 10 to 25 feet high. If you have been running in terror, however, you are at the ragged edge of what you can breath. Catching your wind enough to run back is daunting, probably requiring descending while going forward.
A grass fire isn't a forest fire. But even forest fires come in different grades and speeds. Ground fires move slowly, and often aren't very hot. There is more material to burn, so the flame front is deeper, and the ground hotter. With smoke it's hard to maintain a consistent direction. Crown fires are roast everything in their path.
If you wanted to test these ideas:
- Start small.
- Dress well.
- Have someone on the other side with a wet blanket if you emerge with your clothing on fire.
I used to sing ballads as part of the entertainment on long canoe expeditions with teens. Keelaghan's song was a hit.
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This does have a basis in a known technique, back burning, but by your description the application wasn't orthodox.
From Wikipedia:
Back burning is a way of reducing the amount of flammable material during a bushfire by starting small fires along a man made or natural firebreak in front of a main fire front. It is called back burning because the small fires are designed to 'burn back towards the main fire front'. The basic reason for back burning is so that there is little material that can burn when the main fire reaches the burnt area. The firebreaks that may be used to start a line of fires along could be a river, road or a bulldozed clearing etc.
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