Cyclones, Anticyclones and Volcanoes

Kalyan Kumar

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Atmospheric pressure

Cyclones

Anticyclones

Instruments for measuring

Volcanoes

Conclusion

Overview

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Force exerted by the weight of the air above

Weight of the air at sea level

14.7 pounds per square inch

1 kilogram per square centimeter

Units of measurement

Millibar (mb) – standard sea level pressure is 1013.2 mb

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Atmospheric pressure

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A center of low pressure

Pressure decreases toward the center

Winds associated with a cyclone

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Cyclones

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A center of high pressure

Pressure increases toward the center

Winds associated with a cyclone

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Anticyclones

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Airflow Associated with cyclones

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Instruments for measuring

BarometerBarograph

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The outer crust is made of rocks

Underneath the crust is the mantle

The gases push these melted rocks called ‘magma’

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Earth Structure

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A Volcano is a special kind of mountain that builds itself

There are several thousand volcanoes in the world

Most of them are extinct

Some are dormant

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Volconoes

Arenal, Near Panama, Central America

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Prevention of formation of cyclones or volcanoes are not

in the realm of possibility. One of the mitigation measure

against disaster is the efficient warning system.

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Conclusion

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Thank you