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Weather Phenomena. SOL 4.6. Follows along with Interactive Notebook notes. Temperature. Weather Includes:. Precipitation. Wind. Weather Instruments (Tools). Temperature - the measure of the amount of heat energy in the atmosphere Measured using a THERMOMETER.

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weather phenomena

Weather Phenomena

SOL 4.6

Follows along with Interactive Notebook notes

weather instruments tools
Weather Instruments (Tools)

Temperature- the measure of the amount of heat energy in the atmosphere

Measured using a

THERMOMETER

additional weather instruments
Additional Weather Instruments

Wind Speed is measured using an ANEMOMETER

Wind Direction is measured using a

WEATHER VAIN.

additional weather instruments5
Additional Weather Instruments

A RAIN GAUGE is used to measure the amount of precipitation.

precipitation includes
Precipitation Includes:

Rain

Snow

Formed by ice crystals*

more types of precipitation
More types of Precipitation:

Mixture of snow and rain

Sleet

Hail

Formed by ice crystals*

air masses and fronts
Air Masses and Fronts

Air Masses: formed when air in the atmosphere is heated at the equator and cooled at the poles.

Fronts: formed when two air masses of different temperatures and humidity* bump into each other.

*Humidity is the amount of water vapor

in the air.

types of fronts
Types of Fronts

Cold front

Warm front

Cold air mass pushes into a warm air mass.

Warm air mass pushes into a cold air mass.

additional weather tools
Additional Weather Tools

Air pressureis the result of the mass/weight of the air and temperature pushing on its surroundings. (atmospheric pressure)

Measured using

a BAROMETER

do weather forecasters use air pressure to predict the weather
Do weather forecasters use air pressure to predict the weather?

High pressure areas are formed when air is cooled.

Low pressure is formed when air is warmed. Weather associated with low pressure areas are: clouds, rain, and wind.

storms

Thunderstorms

Storms

Tornadoes

Hurricanes

thunderstorms

Strong winds, heavy rain, thunder, and lightning.

Thunderstorms

Most common in Virginia, but when?

How are they formed?

hurricanes

Largest Storm on Earth!

Hurricanes

Form over warm water

How do they begin?

What are some of the characteristics of a hurricane?

tornados

Tornados

Column of warm air begins to spin upward forming a funnel cloud.

What types of wind speed and what can they do?

clouds
CLOUDS

Clouds are formed when warm air carrying water vapor rises from the Earth and the water vapor cools down and connect to each other.

Are all clouds the same?

cumulus
Cumulus

Fluffy, white clouds with flat bottoms. Cumulus clouds usually indicate fair weather. (Middle)

Resemble?

cirrus
Cirrus

Feathery, wispy, clouds; associated with fair weather. They often indicate that rain or snow will fall within hours. (High)

Made from?

stratus
Stratus

Flat, smooth, gray clouds that blanket/cover the whole sky. (low)

What type of weather?

cumulo nimbus
Cumulo-nimbus
  • Foul weather storm clouds that bring heavy rains and thunderstorms.

How are they formed?

spot the cloud
Spot the cloud!

Low and flat …..

Stratus

spot the cloud22
Spot the cloud!

Middle level,

fluffy …..

Cumulus

spot the cloud23
Spot the cloud!

High level,

wispy …..

Cirrus

spot the cloud24
Spot the cloud!

Rain bearing,

storm clouds …..

Cumulo-Nimbus

let s review
Let’s Review 

It’s time to play the…

Flyswatter Game

the abc s of weather
The ABC’s of Weather

Draw a letter from the bag. Share a word or phrase that begins with the letter to summarize weather.

Tara Moore, Elementary Lead Science Teacher

Suffolk Public Schools

October 2005

Some cloud slides adapted from John Harris, Radley College, UK