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FOREST FIRES

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Forest fires
The main forest’s enemy
Forests have many enemies, but
the greatest one is fire.
What do forest fires mean?
Forest fires are large uncontrolled
fires that take place in the forest.
The greater is the proportion of
pine and fir in the forest, the
greater is the possibility of
inflammation
The main causes of forest fires
Human activities
•It can be carelessness such as
not putting out a campfire or
dropping a lit cigarette.
•It may also be arson, which is
setting a fire on purpose and is
against the law.
Natural causes
•There are fires that are started
by natural causes, for example.
by lightning or even high
temperatures.
•Other natural causes include
volcanic eruptions and sparks
from falling rocks.
Carelessness of people
•Pranks with matches in a
forested area.
•Burning of dry grass near
the forest.
How do forest fires spread?
Weather
Fuel
The weather has a large impact on how a Fires need fuel to burn. The type of
fire will spread. Fires are much more likely fuel will impact how quickly the
to start and spread during droughts when the fire will spread as well as how
grass and plants are dry. A strong wind can intense it will be. In a forest there
help a fire to spread and move quickly. The can be plenty of fuel including
high temperature and dry air will also
trees, leaves, shrubs and grasses.
impact how well the fire will spread.
Topography
The topography is the shape
and features of the land where
the fire is burning. Fire tends to
move faster uphill. Fires may
spread quickly up steep slopes
on the sides of mountains.
How do firefighters put fires out?
Forest fires can be extremely difficult to put out or control.
Forest fires can be enormous in size and may quickly
change directions. They can move over 7 miles per hour and
can jump over natural gaps such as rivers and roads. That
being said, modern firefighters are well trained and know
how to control forest fires.
Two main techniques for controlling forest fires
The firebreak
The air drop
One of the best ways to stop a fire is to get rid of the Sometimes firefighters will use airplanes and
fuel (trees, grass, etc.) that is helping it to burn.
helicopters to drop water or special
Firefighters will often remove the fuel in a long
firefighting chemicals on fires from the air.
line ahead of the where the fire is advancing. This These aircraft can carry thousands of gallons
line is called a firebreak. When the fire reaches of liquid or gel to drop on hard to reach areas
the firebreak, it runs out of fuel and stops
of the fire.
spreading.
REMEMBER:
Do not drop to the
ground burning
matches or
cigarette!
Do not kindle fires
in fire period!
Do not burn trash
in the woods!
RUSSIA
The greatest number of fires was recorded in the republics of Komi,
Sakha (Yakutia) and Karelia, Arkhangelsk region: there were
registered 16 major forest fires. On the lands, which are under
special state protection, fires were recorded. The main cause of
fires began to dry thunderstorms.
Thanks!
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