The document discusses different types of weather including wind, lightning, storms, hurricanes, tornadoes, rain, hail and snow. It describes weather as short term changes in the atmosphere compared to climate which refers to typical weather patterns over longer periods. Key causes of different weather mentioned include varying amounts of heat from the sun in different parts of the Earth and warmer air rising. Measurement of weather factors like wind speed, direction, temperature and pressure are also summarized.

1. EducationAbout Weather
Amkera Presentation
Weather can make the same place look very different at different times. Climate tells
us what kinds of weather usually happen in an area at different times of the year.
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2. Weather is the day-to-day or hour-to-hour change in
the atmosphere.Weather includes wind,lightning,
storms,hurricanes,tornadoes,rain,hail,snow,and
lots more.Energy from the Sun affects the weather.
Climate tells us what kinds of weather usually
happen in an area at different times of the year.
What is the Weather?
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3. Types of
Weathers
Wind
Lightning
Storm
Hurricanes
Tornadoes
Rain
Hail
Snow

4. Causes of the Weather
Weather happens because different parts of the Earth get different amounts
of heat from the Sun. This makes different climates. The tropics get the most
heat because the Sun shines straight down on them, while the poles get the
least heat because the Sun shines on them from a low angle.Warmer air is
lighter than cooler air and rises higher in the sky.

5. A Way To Meassure
The Weather
Wind Speed
Wind Direction
Temperature
Barometric Pressure
Humidity

6. Same Example
The Bad Weather
Tropical Cyclones
Rainstorms
Drought
Heat Waves
Frost
Fog
Tornadoes

7. Definition of
Tropical Cyclones
A tropical cyclone is a circular air movement over the warm
ocean waters in the warm part of Earth near the equator.
Most tropical cyclones are storms with strong winds and
heavy rains. While some tropical cyclones stay out in the
sea, others pass over land.This can be dangerous because
the winds and floods can break things and drown people.
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8. Tropical cyclones form when warm, moist ocean air rises. They
begin as a group of storm winds when the water gets as hot as
80 °F (27 °C) or hotter. The Cyclones effect causes the winds
to rotate. These storms usually move westward in the tropics,
and later move north or south into the temperate zone.
Formation of
Tropical Cyclones
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9. In the past these storms sank many ships. Better weather
forecasting in the 20th century let most ships avoid them.
When tropical cyclones reach land, they may break things.
Sometimes they kill people and destroy cities. In the last
200 years,about 1.5 million people have been killed by
tropical cyclones.
The Impact of
Tropical Cyclones
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10. Rain is when water falls from clouds in droplets that are
bigger than 0.5 mm.Droplets of water that are about 0.2mm
to 0.45mm big are called drizzle. Rain is a kind
of precipitation. Precipitation is any kind of water that falls
from clouds in the sky, like rain, hail, sleet and snow. It is
measured by a rain gauge. Rain is part of the water cycle.
Definition of
Rain Storm

11. When the Sun heats the Earth's surface, the ground heats the air above it. Convection makes
the air rise and cool. When it cools to the dew point, clouds form and rain follows.
Conventional Rains
Relief rain usually occurs along coastal areas where a line of hills runs along the coast. When
wet onshore wind from the sea meets a mountain, hill or any other sort of barrier, it is forced
to rise along the slope and cools.
Relief Rains
Frontal rain happens when cooler and warmer, humid air meet in a weather front. The less
dense warm air rises and condenses forming clouds.
Frontal Rains/Cyclonic Rains
TypesofRainstorms

12. Drought is a continuous period of dry weather, when an area gets less than it’s normal amount of rain, over
months or even years.Crops and other plants need water to grow, and land animals need it to live. It can
become dangerous to people and other animals; causing famine and even creating deserts.
Definition of Drought
A drought is a natural event,caused by other weather events like El Niño and high-
pressure systems.Drought can also be triggered by deforestation (people cutting
down forests), by global warming, and by diverting rivers or emptying lakes.

13. Causes of Drought
Lack of Rain Dry Season El Nino Erosion Climate Change

14. Types of Drought
Meteorological
Brought about when there
is a prolonged time with
less than the average on
then precipitation. Usually
precedes the other kinds.
Agricultural
This condition can also
arise independently from
any change in precipitation
levels when soil conditions
and erosion triggered
Hydrological
Brought about when the
water reserves available in
sources such as aquifers,
lakes and reservoirs fall
below the statistical.

15. How to Handle
Drought
Diminished crop growth or yield productions and
carrying capacity for livestock.
Dust bowls, themselves a sign of erosion, which
further erode the landscape.
Dust storms, when drought hits an area suffering
from desertification and erosion.
Habitat damage, affecting both terrestrial and
aquatic wildlife.

16. Causes of Drought
1900 India killing between 250,000 and3.25 million.
1921–22 Soviet Union in which over 5 million perished from starvation
1928–30 Northwest China resulting in over 3 million deaths by famine.

17. How to Handle Drought
Dams
Cloud Seeding
Desalination
Drought Monitoring
Land Use

18. Break for 30 minutes
It’s Time
to Break
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19. A heat wave is a long period of extremely hot weather, which may be the
followed by high humidity. There is no definition of a heat wave in which
everyone agrees; the term depends on the usual weather in this good area.
Temperatures that people from a hotter climate consider normal can be
called a heat wave in a cooler area if they are outside the normal climate
pattern for that area.
Definition of Heat Waves

20. Frost is ice that is formed when water vapor freezes onto
a surface.It has a white, powdery appearance.It forms on
cold surfaces when the temperature of the air is very low.
It can destroycrops.
Definition of Frost

21. If a solid surface is chilled below the dew point of
the surrounding humid air and the surface itself is
colder than freezing, ice will form on it. If the
water deposits as a liquid that then freezes, it
forms a coating that may look glassy, opaque, or
crystalline,depending on its type. Depending on
context, that process also may be called
atmospheric icing.
Formation
of Frost

22. Types of Frost Hoar Frost
Advection Frost
Window Frost
While Frost
Rime
Black Frost

23. Many plants can be damaged or killed by freezing temperatures or frost. This varies with the
type of plant, the tissue exposed, and how low temperatures get: a "light frost" of −2 to 0 °C
(28 to 32 °F) will damage fewer types of plants than a "hard frost" below −2 °C (28 °F).
Consequenses of Frost for Plant

24. Fog is mist when it is very thick. It may appear on land or sea. It
usually lowers visibility (makes it hard to see very far). When fog
forms at high levels it creates a cloud called stratus. When the air
chills,moisture will turn to fog.
Definition of Fog
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25. Fog begins to form when water vapor condenses into tiny liquid water
droplets suspended in the air. Six examples of ways that water vapor is
added to the air are by wind convergence into areas of upward motion;
precipitation or virga falling from above; daytime heating evaporating
water from the surface of oceans, water bodies, or wet land; transpiration
from plants; cool or dry air moving over warmer water; and lifting air over
mountains. Water vapor normally begins to condense on condensation
nuclei such as dust, ice, and salt in order to form clouds.
Formation of Fog

26. Types of Fog
Radiation Fog
Ground Fog
Advection Fog
Evaporation Fog
Frontal Fog
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27. A tornado is a tube of violently spinning air that touches
the ground.Wind inside the tornado spins fast,but the
actual 'circle'of wind around them is huge.This makes
tornadoes very dangerous.
Definition of
Tornadoes
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28. Safety Tips When Tornadoes
Go to the lowest floor of the building
Find a piece of strong furniture or a mattress
to go under or hide in a closet and wait until
it is over.
If you are in a school, do not go to the gymnasium
or any other place that has a high ceiling
If you cannot find shelter, find the lowest, most
protected ground and cover your head with your
hands.

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30. Thanksfor watching
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