Weather Phenomena SOL 4.6 Follows along with Interactive Notebook notes.
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Transcript of Weather Phenomena SOL 4.6 Follows along with Interactive Notebook notes.
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Weather Phenomena
SOL 4.6SOL 4.6Follows along with
Interactive Notebook notes
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Weather Includes:
Temperature
Wind
Precipitation
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Weather Instruments (Tools)
TemperatureTemperature- the measure of the amount of - the measure of the amount of heat energy heat energy in the atmospherein the atmosphere
Measured using a Measured using a
THERMOMETERTHERMOMETER
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Additional Weather Instruments
Wind Speed is measured using an Wind Speed is measured using an ANEMOMETERANEMOMETER
Wind Direction is Wind Direction is measured using a measured using a
WEATHER VAINWEATHER VAIN..
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Additional Weather Instruments
A A RAIN GAUGE RAIN GAUGE is is used to measure used to measure the amount of the amount of precipitationprecipitation..
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Precipitation Includes:
RainRain
SnowSnowFormed by ice crystals*
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More types of Precipitation:
SleetSleet
HailHailFormed by ice crystals*
Mixture of snow and rain
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Air Masses and Fronts
Air MassesAir Masses: formed when air in the atmosphere : formed when air in the atmosphere is heated at the equator and cooled at the is heated at the equator and cooled at the poles.poles.
FrontsFronts: formed when two air masses of : formed when two air masses of different temperatures and humidity* bump different temperatures and humidity* bump
into each other.into each other.
*Humidity *Humidity is the amount of water vapor is the amount of water vapor
in the air.in the air.
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Types of Fronts
Cold frontCold front
Warm frontWarm front
Cold air mass pushes into a warm air mass.
Warm air mass pushes into a cold air mass.
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Additional Weather Tools
Air pressure Air pressure is the result of the mass/weight is the result of the mass/weight of the air and temperature pushing on its of the air and temperature pushing on its surroundings. (atmospheric pressure)surroundings. (atmospheric pressure)
Measured using Measured using
a a BAROMETERBAROMETER
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Do weather forecasters use air pressure to predict the weather?
High pressure High pressure areas are formed when areas are formed when air is air is cooled.cooled.
Low pressure Low pressure is formed when is formed when air is warmedair is warmed. . Weather associated with low pressure areas Weather associated with low pressure areas
are: clouds, rain, and wind.are: clouds, rain, and wind.
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Storms
Thunderstorms
Tornadoes
Hurricanes
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Thunderstorms
Strong winds, heavy rain, thunder, and lightning.
Most common in
Virginia, but when?
How are they formed?
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Hurricanes
Form over warm water
Largest Storm on Earth!
How do they begin?
What are some of the characteristics of a hurricane?
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TornadosColumn of warm air begins to spin upward forming a funnel cloud.
What types of wind speed and what can
they do?
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CLOUDS
Clouds are formed when warm air Clouds are formed when warm air carrying carrying water vapor rises water vapor rises from the from the Earth and the water vapor Earth and the water vapor cools down cools down and and connectconnect to each other. to each other.
Are all clouds the same?Are all clouds the same?
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Cumulus Fluffy, white Fluffy, white
clouds with clouds with flat bottoms. flat bottoms. Cumulus Cumulus clouds usually clouds usually indicate fair indicate fair weather. weather. (Middle)(Middle)
Resemble?
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Cirrus Feathery, wispy, Feathery, wispy,
clouds; associated clouds; associated with fair weather. with fair weather. They often indicate They often indicate that rain or snow that rain or snow will will fall within fall within hourshours. . (High)(High)
Made from?
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Stratus
Flat, smooth, Flat, smooth, gray clouds that gray clouds that blanket/cover blanket/cover the whole sky. the whole sky. (low)(low)
What type of weather?
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• Foul weather Foul weather storm clouds that storm clouds that bring heavy bring heavy rains and rains and thunderstorms.thunderstorms.
Cumulo-nimbus
How are they formed?
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Spot the cloud!
Low and flat …..Low and flat …..
Stratus
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Spot the cloud!Middle level, Middle level,
fluffy …..fluffy …..
Cumulus
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Spot the cloud!
High level, High level, wispy …..wispy …..
Cirrus
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Spot the cloud!
Rain bearing, Rain bearing, storm clouds …..storm clouds …..
Cumulo-Nimbus
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Let’s Review
It’s time to play the…It’s time to play the…
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Cirrus CloudsCirrus Clouds Cold FrontCold Front Wind/Weather Wind/Weather VaneVane
ThermometerThermometer HurricaneHurricane
High pressureHigh pressure SnowSnow Air MassesAir Masses Cumulous Cumulous CloudsClouds
Low pressureLow pressure
PrecipitationPrecipitation BarometerBarometer SleetSleet Cumulo-nimbus Cumulo-nimbus CloudsClouds
HailHail
Rain GaugeRain Gauge Warm FrontWarm Front Air pressureAir pressure CloudsClouds ThunderstormThunderstorm
TornadoTornado AnemometerAnemometer Stratus CloudsStratus Clouds WeatherWeather MeteorologistsMeteorologists
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The ABC’s of Weather
Draw a letter from the bag. Share a word or phrase Draw a letter from the bag. Share a word or phrase that begins with the letter to summarize weather.that begins with the letter to summarize weather.
Tara Moore, Elementary Lead Science TeacherTara Moore, Elementary Lead Science TeacherSuffolk Public SchoolsSuffolk Public SchoolsOctober 2005October 2005Some cloud slides adapted from John Harris, Radley College, UKSome cloud slides adapted from John Harris, Radley College, UK