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Weather and Climate Vocabulary

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Weather and Climate Vocabulary Weather Climate Climate Zones Atmosphere Humidity Humidity is the amount of water vapor in the air. – PowerPoint PPT presentation

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Title: Weather and Climate Vocabulary


1
Weather and Climate
Vocabulary
2
Weather
Weather is the atmosphere at a certain time and
place.
3
Climate
Climate is similar weather for a long period of
time, such as summer or winter temperatures.
4
Climate Zones
Climate zones are areas of the country that have
the same kind of weather.
5
Atmosphere
Atmosphere is a blanket of gas around the earth.
6
Humidity
  • Humidity is the amount of water vapor in the air.

7
Humid
  • Humid means having a lot of moisture in the air.

8
Fog
Fog is a cloud of small water droplets close to
the ground. Fog makes driving dangerous.
9
Precipitation
Precipitation is any form of water that falls
from the sky. Rain, sleet, snow, hail, or
freezing rain are kinds of precipitation
10
thermometer
  • Thermometer is a tool used for measuring
    temperature.

11
Temperature
Temperature is how warm or cold it is outside.
Temperature depends on the position of the
sun. Temperature is measured in Fahrenheit and
Celsius. Temperature determines the type of
precipitation that occurs.
12
hygrometer
  • Hygrometer is an instrument that measures
    humidity in the air as well as other gases.

13
Rain
Rain is water that falls from the clouds to Earth.
14
Hail
Hail or hailstones are balls or lumps of ice that
fall from the clouds. We usually have
hail during thunderstorms, mostly in summer.
15
Sleet
First, snowflakes pass through a layer of warm
air. Next, the snowflakes melt and turn into
raindrops. Then, the raindrop goes through more
cold layers of air. Finally, the snowflakes turn
into tiny pieces of ice called sleet. When
sleet lands on the ground it is slippery.
16
Snow
Snow is frozen water vapor.
17
Snow
18
Freezing Rain
19
Air Pressure
Air Pressure is the force put on earth by the
weight of air.
20
Cloud
A cloud is a group of water droplets pressed
together in the atmosphere.
21
Stratus Cloud
Stratus Clouds are clouds that form in layers..
22
Cumulus Cloud
Cumulus Clouds are puffy clouds that rise from a
flat bottom.
23
Cirrus Cloud
Cirrus Clouds are made of ice crystals and shaped
like feathers.
24
Nimbus Clouds
Nimbus clouds are dark with many layers. They
produce precipitation.
25
Air Mass
Air Mass is a large area of weather that is the
same.
26
El NiÑO
  • El NiÑO is irregular weather pattern with
    unusually warm temperatures in the Pacific Ocean

27
Forecast
  • A forecast is a prediction of expected weather
    conditions.

28
Front
The boundary between two air masses is called a
front. A Front is the area where 2 types of air
masses meet.
29
Cold Front
A cold front happens when cold air pushes under
warm air.
30
Warm Front
A warm front happens when warm air slides up over
cold air.
31
Stationary Front
Stationary Front is the part where two different
air masses meet. The front doesnt move.
Usually it rains for a few days.
32
Air
Air is all around us. Air is what we breathe.
Air is made up of gases such as oxygen, nitrogen
and carbon dioxide.
33
Wind
As the sun warms the Earth's surface, the
atmosphere warms too. Some parts of the Earth
receive rays from the sun all year and are always
warm. Other places receive less of the suns
rays, so the climate is colder. Warm air, which
weighs less than cold air, rises. Then cool air
moves in and replaces the rising warm air. This
movement of air is what makes the wind blow.
34
anemometer
  • Anemometer is an instrument that measures wind
    speed or pressure.

35
Breeze
A breeze is a gentle wind. It has speeds between
4 and 31 miles per hour.
36
Gale Winds
A gale is a very strong windstorm. A gale wind
has speeds between 32 and 63 miles per hour.
37
Thunder
Thunder happens when hot air in clouds expand and
make a loud noise. When there is lightning there
is usually thunder.
38
Thunderstorm
A thunderstorm is a heavy storm that has rain,
strong winds, lightning, and thunder.
39
Lightning
Lightning happens when electricity builds up and
bursts through a cloud and flashes. Lightning is
very hot. Lightning heats the air around it.
40
Tornado
A tornado is a spinning funnel cloud that touches
the ground it may cause a lot of damage. The
differences in air pressure causes the winds to
blow in a spiral pattern.
41
Hurricane
A hurricane is a storm that forms over a warm
ocean. The wind blows faster than 74 miles an
hour.
42
Hurricane
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