WeatherWeather

What is Weather?What is Weather?

• WeatherWeather is the condition of the Earth’s is the condition of the Earth’s Atmosphere at a given time.Atmosphere at a given time.

• It can change drastically in a 24 hour period.It can change drastically in a 24 hour period.

What causes Weather?What causes Weather?

• All elements of weather are the All elements of weather are the direct result of energy from the sun. direct result of energy from the sun.

• The sun’s rays hit earth and the land The sun’s rays hit earth and the land absorbs the heat unevenly. absorbs the heat unevenly.

• This uneven heating causes changes This uneven heating causes changes in weather.in weather.

The Water CycleThe Water Cycle

Read Drippy and the Water Cycle

Check it out (video and quiz)

http://teacher.scholastic.com/activities/studyjams/water_cycle/

The Water CycleThe Water Cycle• The sun heats up the water- The sun heats up the water-

evaporationevaporation• The water vapor (gas) The water vapor (gas)

condensescondenses into clouds into clouds• The clouds become The clouds become

saturated and saturated and precipitationprecipitation is the result. is the result.

• The precipitation pools in The precipitation pools in lakes, oceans and rivers. lakes, oceans and rivers. Waiting to evaporate again.Waiting to evaporate again.

• Act out the water cycle with Act out the water cycle with instruments and danceinstruments and dance

• Lable the Water Cycle on Lable the Water Cycle on page 16 and pg 295page 16 and pg 295

CloudsClouds

• Clouds come in many shapes and forms.Clouds come in many shapes and forms.

• Some are high in the sky, while others are Some are high in the sky, while others are so low they touch the ground. so low they touch the ground.

• No matter what shape or elevation, clouds No matter what shape or elevation, clouds form the same way, by having water vapor form the same way, by having water vapor condense onto small solid particles like condense onto small solid particles like dust, sea salt, and pollution dust, sea salt, and pollution

• Make A Cloud in A bottleMake A Cloud in A bottle

Types of CloudsTypes of Clouds

Two videos Clouds then type of clouds

CloudsClouds

• Clouds serve several important functions.Clouds serve several important functions.

• They provide rain and snow. They provide rain and snow.

• They also help retain heat, so it doesn’t They also help retain heat, so it doesn’t escape quickly back into space. escape quickly back into space.

• On hot days, clouds provide shade On hot days, clouds provide shade

Types of CloudsTypes of Clouds

• There are There are Four Four main main types of cloudstypes of clouds

• Cirrus-Cirrus- found high in found high in the atmospherethe atmosphere

• Cumulus-Cumulus- found in found in mid-atmospheremid-atmosphere

• Stratus-Stratus- found in the found in the low atmospherelow atmosphere

• Nimbus-Nimbus- storm clouds. storm clouds.

CirrusCirrus

• They are thin, They are thin, wispy clouds blown wispy clouds blown by high winds into by high winds into long streamers.long streamers.

• They usually mean They usually mean fair to pleasant fair to pleasant wheather. wheather.

CumulusCumulus

• They are puffy clouds They are puffy clouds that sometimes look that sometimes look like pieces of floating like pieces of floating cotton cotton

• They can develop They can develop into a giant into a giant cumulonimbus, cumulonimbus, which is a which is a thunderstorm cloud thunderstorm cloud

Nimbus (Cumulonimbus)Nimbus (Cumulonimbus)

• They are thunderstorm They are thunderstorm clouds that form if clouds that form if cumulus clouds cumulus clouds continue to grow continue to grow vertically. vertically.

• Lightning, thunder, and Lightning, thunder, and even violent tornadoes even violent tornadoes are associated with the are associated with the cumulonimbus. cumulonimbus.

StratusStratus

• are uniform grayish clouds are uniform grayish clouds that often cover the entire that often cover the entire sky.sky.

• They resemble fog that They resemble fog that does not reach the ground. does not reach the ground.

• Usually no precipitation Usually no precipitation falls from stratus clouds, falls from stratus clouds, but sometimes they may but sometimes they may drizzle. drizzle.

Can you identify these Can you identify these clouds?clouds?

Matching Game http://eo.ucar.edu/webweather/cloudmatch.html

DO page 13 and Create a cloud poster using cotton balls and labels

See the clouds

PrecipitationPrecipitation

• When there is too much moisture, the water When there is too much moisture, the water will fall as precipitation. will fall as precipitation.

• Precipitation will fall in two main forms: rain Precipitation will fall in two main forms: rain or snow depending on the temperature of or snow depending on the temperature of the air through which the moisture will fall. the air through which the moisture will fall.

• Other forms of precipitation are sleet and Other forms of precipitation are sleet and hail.hail.

Forms of PrecipitationForms of Precipitation

RainRain

• When droplets of When droplets of moisture join moisture join together becoming together becoming heavy enough to heavy enough to fall to the ground.fall to the ground.

SnowSnow

• If the air is cooled If the air is cooled below the freezing below the freezing point of water, the point of water, the condensing moisture condensing moisture is quickly freeze into is quickly freeze into ice crystals.ice crystals.

• The ice crystals join The ice crystals join to make snowflakesto make snowflakes

• Snowflakes are Snowflakes are always six sided.always six sided.

HailHail

• Formed in Formed in cumulonimbus cumulonimbus (storm) clouds. (storm) clouds. They are frozen They are frozen droplets of droplets of moisture.moisture.

• BLM #9BLM #9

SleetSleet

• When falling rain When falling rain starts off in warmer starts off in warmer air, but passes air, but passes through air below through air below freezing, the rain freezing, the rain drops cool and drops cool and freeze onto freeze onto surfaces when they surfaces when they hit the ground.hit the ground.

FogFog

• Some clouds do not form in the sky. Some clouds do not form in the sky. They form closer to the earth and They form closer to the earth and then everything looks grey.then everything looks grey.

Make it Rain ActivityMake it Rain Activity • LLarge, wide-mouth container, such as a mayonnaise arge, wide-mouth container, such as a mayonnaise

jarjar• HHot water ot water • IIce cubes ce cubes • SSmall plate to hold ice cubes mall plate to hold ice cubes • IIndex card ndex card 11. Pour two inches of very hot tap water . Pour two inches of very hot tap water

into the glass container and cover with the plate. into the glass container and cover with the plate. Allow water to sit for a few minutes. Allow water to sit for a few minutes.

• 22. Place ice cubes on the plate.. Place ice cubes on the plate.• 33. Watch what happens. The cold plate causes the . Watch what happens. The cold plate causes the

moisture in the warm air to condense and form moisture in the warm air to condense and form water droplets. This is the same thing that happens water droplets. This is the same thing that happens in the atmosphere as warm, moist air rises and in the atmosphere as warm, moist air rises and meets colder temperatures high in the atmosphere. meets colder temperatures high in the atmosphere. Water vapor condenses and forms precipitation that Water vapor condenses and forms precipitation that falls to the Earth as rain, sleet, hail, or snow.falls to the Earth as rain, sleet, hail, or snow.

What does weather include?What does weather include?

• Air temperatureAir temperature• Cloud cover Cloud cover • Amount of sunlightAmount of sunlight• Relative humidity: The amount of water vapor in the air is Relative humidity: The amount of water vapor in the air is

referred to as humidity. The more water that is in the air referred to as humidity. The more water that is in the air there is, the higher we say that the humidity has risen. there is, the higher we say that the humidity has risen.

• Precipitation: The amount of water that falls to the earth in Precipitation: The amount of water that falls to the earth in the form of rain, sleet, hail or snowthe form of rain, sleet, hail or snow

• Wind speedWind speed• Wind directionWind direction• Air Pressure :The force that is applied on everything on the Air Pressure :The force that is applied on everything on the

Earth caused by the weight of the air.Earth caused by the weight of the air.

• Make Your Own Weather Activity (change humidity and temp)Make Your Own Weather Activity (change humidity and temp)http://www.scholastic.com/kids/weather/http://www.scholastic.com/kids/weather/

Weather Network (Short and Long Term Predictions)Weather Network (Short and Long Term Predictions)http://www.theweathernetwork.com/?http://www.theweathernetwork.com/?

ref=topnav_weather_news_homepageref=topnav_weather_news_homepage

• Look at Canadian Weather(Very Cool!!!!) Look at Canadian Weather(Very Cool!!!!) http://www.weatheroffice.gc.ca/canada_e.htmlhttp://www.weatheroffice.gc.ca/canada_e.html

• Reading A Forecast Tip Reading A Forecast Tip http://eo.ucar.edu/webweather/forecasttips.htmlhttp://eo.ucar.edu/webweather/forecasttips.html

• Read a Weather Report and Complete the Weather MapRead a Weather Report and Complete the Weather Map– http://www.edheads.org/activities/weather/http://www.edheads.org/activities/weather/

• Weather Maps as Homework (see handouts)Weather Maps as Homework (see handouts)• Create a Weather Report (fill out outline at home and use Create a Weather Report (fill out outline at home and use

powerpoint to present)powerpoint to present)

WeatherWeather ToolsToolsWhat are they? What are they?

What do they do?What do they do?

The Most Common Weather The Most Common Weather Tools Are:Tools Are:

• ThermometerThermometer• Wind VaneWind Vane

• AnemometerAnemometer• BarometerBarometer• Rain GaugeRain Gauge

•Create your own tool at homeCreate your own tool at home

ThermometerThermometer• A thermometer is a A thermometer is a

weather tool used weather tool used to measure the to measure the temperature.temperature.

Wind VaneWind Vane• By observing wind By observing wind

vanes, we can know vanes, we can know the direction of the the direction of the wind. Knowing the wind. Knowing the direction of the direction of the wind is an wind is an important part in important part in predicting the predicting the weather.weather.

• M a k e   Y o u r   O w n  M a k e   Y o u r   O w n  W e a t h e r   V a n eW e a t h e r   V a n e

•   • • You'll need these materials: You'll need these materials:

– a long wooden dowel (about the size of a broom stick) a long wooden dowel (about the size of a broom stick) – an aluminum pie plate an aluminum pie plate – a 12 inch long piece of wood (A sturdy ruler would work) a 12 inch long piece of wood (A sturdy ruler would work) – nails nails – a metal washer a metal washer – hammer hammer – glue glue – small saw (or serrated knife) small saw (or serrated knife) – wire (for mounting) wire (for mounting) – scissors (strong enough to cut aluminum) scissors (strong enough to cut aluminum)

• Begin with the 12 inch piece of wood. Use the small saw (or serrated knife) to cut a vertical slit at Begin with the 12 inch piece of wood. Use the small saw (or serrated knife) to cut a vertical slit at each end of the stick. The slit should be about one half inch deep. At the midpoint (exactly halfway) each end of the stick. The slit should be about one half inch deep. At the midpoint (exactly halfway) of the top of the stick, hammer one nail all the way through the stick. Then turn the wood around of the top of the stick, hammer one nail all the way through the stick. Then turn the wood around the nail several times until the stick turns easily around the nail. the nail several times until the stick turns easily around the nail.

• Refer to the pattern picture and cut the head and tail from the aluminum plate. Glue the head into Refer to the pattern picture and cut the head and tail from the aluminum plate. Glue the head into the slot at one end of the wooden stick. Glue the tail into the other end. Allow time for the glue to the slot at one end of the wooden stick. Glue the tail into the other end. Allow time for the glue to dry before you take the vane outside. dry before you take the vane outside.

• Attach the weather vane to the long wooden dowel by placing the metal washer on the end of the Attach the weather vane to the long wooden dowel by placing the metal washer on the end of the dowel and then hammering the nail through the wooden stick and into the wooden dowel. (Refer to dowel and then hammering the nail through the wooden stick and into the wooden dowel. (Refer to the picture.) Make sure that the vane moves freely and easily around the nail. the picture.) Make sure that the vane moves freely and easily around the nail.

• Now you are ready to mount your weather vane outside. If you mounted your rain gauge on a fence, Now you are ready to mount your weather vane outside. If you mounted your rain gauge on a fence, you may want to mount your weather vane near it. Position the wooden dowel beside the fence and you may want to mount your weather vane near it. Position the wooden dowel beside the fence and secure it with wire. Try to get the vane as high above the fence as you can while still keeping the secure it with wire. Try to get the vane as high above the fence as you can while still keeping the dowel steady and secure. dowel steady and secure.

• The head of the pointer will always point to the direction from which the wind is blowing. For The head of the pointer will always point to the direction from which the wind is blowing. For example, if the head points to the NorthEast, then the wind is blowing from the NorthEast. It's as example, if the head points to the NorthEast, then the wind is blowing from the NorthEast. It's as simple as that. (A common mistake is to think that the wind is blowing toward the NorthEast.) simple as that. (A common mistake is to think that the wind is blowing toward the NorthEast.) Record your wind direction readings in your weather journal.Record your wind direction readings in your weather journal.

AnemometerAnemometer

• Wind speed is an Wind speed is an important part of important part of weather.weather.

• An anemometer An anemometer is a weather tool is a weather tool that measures that measures wind speed.wind speed.

BarometerBarometer

• Barometers are Barometers are important to important to measuring air measuring air pressure. Air pressure. Air pressure can pressure can help you predict help you predict good or bad good or bad weather.weather.

• Make a simple barometerMake a simple barometer

Make a BarometerMake a BarometerDo you know what the air pressure is today? You can find out for yourself by measuring Do you know what the air pressure is today? You can find out for yourself by measuring the air pressure on a the air pressure on a barometerbarometer..

  MaterialsMaterialssmall coffee can small coffee can plastic wrap plastic wrap scissors scissors straw straw index card index card rubber band rubber band

InstructionsInstructionsCOVER the top of the can with plastic wrap. USE a rubber band to hold the plastic wrap in COVER the top of the can with plastic wrap. USE a rubber band to hold the plastic wrap in place. The cover should be taut making the can airtight. place. The cover should be taut making the can airtight. PLACE the straw horizontally on the plastic wrap so that two-thirds of the straw is on the PLACE the straw horizontally on the plastic wrap so that two-thirds of the straw is on the can. can. TAPE the straw to the middle of the plastic wrap. TAPE the straw to the middle of the plastic wrap. TAPE the index card to the can behind the straw. TAPE the index card to the can behind the straw. Carefully RECORD the location of the straw on the index card. Carefully RECORD the location of the straw on the index card. After 15 minutes, RECORD the new location of the straw on the index card. After 15 minutes, RECORD the new location of the straw on the index card. Continue CHECKING and RECORDING the straw location as often as desired. Continue CHECKING and RECORDING the straw location as often as desired. Be careful not to place your barometer near a window, as the barometer is sensitive to Be careful not to place your barometer near a window, as the barometer is sensitive to temperature as well as air pressure. temperature as well as air pressure.

What's happeningWhat's happeningHigh pressure will make the plastic wrap cave in, and the straw go up. Low pressure will High pressure will make the plastic wrap cave in, and the straw go up. Low pressure will make the plastic wrap puff up, and the straw go down. Check your measurements with a make the plastic wrap puff up, and the straw go down. Check your measurements with a real barometer.real barometer.What happens to your barometer when a big storm comes? Can you use your barometer What happens to your barometer when a big storm comes? Can you use your barometer to predict a storm? to predict a storm?

Rain GaugeRain Gauge

• A rain gauge is a A rain gauge is a weather tool used weather tool used to collect rain. to collect rain.

• Using Using measurements on measurements on the side of the rain the side of the rain gauge, you can see gauge, you can see how many inches it how many inches it rained.rained.

TemperatureTemperature

• TemperatureTemperature is amount of heat in a is amount of heat in a substance. Expressed in degrees substance. Expressed in degrees Fahrenheit or Centigrade (Celsius)Fahrenheit or Centigrade (Celsius)

• Temperature is measure by an instrument Temperature is measure by an instrument called a called a thermometerthermometer..

• BLM#1-measuring temperature around the room.BLM#1-measuring temperature around the room.

AssignmentAssignment

• Keep track of the weather using the Keep track of the weather using the forecast forecast (http://www.theweathernetwork.com/(http://www.theweathernetwork.com/weather/cancitiesmb_en?weather/cancitiesmb_en?ref=homeprovince) and compare ref=homeprovince) and compare that to what your tools saythat to what your tools say

• Pg 319Pg 319

Forecasting the WeatherForecasting the Weather

• You have keep track of the weather You have keep track of the weather for ten days.for ten days.

• Was the weather forecast accurate?Was the weather forecast accurate?

• Why is it so difficult to predict the Why is it so difficult to predict the weather?weather?

Factors that influence weather Factors that influence weather in different areas.in different areas.

• Land ElevationLand Elevation

• Location- lattitude and longitudeLocation- lattitude and longitude

• The sunThe sun

• Cloud coverCloud cover

• Air pressureAir pressure

• Earth’s orbit (seasons)Earth’s orbit (seasons)

Weather FolkloreWeather Folklore• Weather FolkloreWeather Folklore • If crows fly low, winds going to blow; If crows fly high, winds going to die. If crows fly low, winds going to blow; If crows fly high, winds going to die. • Whether it’s cold or whether it’s hot; We shall have weather, whether or Whether it’s cold or whether it’s hot; We shall have weather, whether or

not!not!• No weather is ill, if the wind is still. No weather is ill, if the wind is still. • NEWS and weather; they travel together. NEWS and weather; they travel together. • A sunshiny shower won’t last half an hour. A sunshiny shower won’t last half an hour. • Rain, rain go away; come back another day.Rain, rain go away; come back another day.• Clear moon, frost soon. Clear moon, frost soon. • The moon and the weather may change together, but change of the moon The moon and the weather may change together, but change of the moon

does not change the weather. does not change the weather. • From twelve ‘til two tells what the day will do. From twelve ‘til two tells what the day will do. • The more rain, the more rest; fair weather’s not always best. The more rain, the more rest; fair weather’s not always best. • When sea birds fly to land there truly is a storm at hand. When sea birds fly to land there truly is a storm at hand. • To talk of the weather is nothing but folly; when it rains on the hill, it suns To talk of the weather is nothing but folly; when it rains on the hill, it suns

in the valley.in the valley.• It rains as long as it takes rain to come. It rains as long as it takes rain to come. • The sharper the blast, the sooner it’s past. The sharper the blast, the sooner it’s past. • Yellow streaks in sunset sky, wind and daylong rain is nigh. Yellow streaks in sunset sky, wind and daylong rain is nigh. •

• Year of snow, fruit will grow. Year of snow, fruit will grow. • The chill is on, near and far, in all the months that have an ‘R’. The chill is on, near and far, in all the months that have an ‘R’. • Rainbow at noon, more rain soon. Rainbow at noon, more rain soon. • The south wind brings wet weather...the north wind, wet and cold The south wind brings wet weather...the north wind, wet and cold

together; the west wind always brings us rain…the east wind blows it back together; the west wind always brings us rain…the east wind blows it back again. again.

• When a cow tries to scratch her ear it means a shower is very near. When a cow tries to scratch her ear it means a shower is very near. • Onionskin is very thin, mild winter is coming in. Onionskin is thick and Onionskin is very thin, mild winter is coming in. Onionskin is thick and

tough winter will be cold and rough. tough winter will be cold and rough. • Ice in November to walk a duck, the winter will be all rain and muck. Ice in November to walk a duck, the winter will be all rain and muck. • Rain before seven, quit by eleven. Rain before seven, quit by eleven. • When the stars begin to huddle the earth will soon begin to puddle. When the stars begin to huddle the earth will soon begin to puddle. • Evening red and morning gray speed the traveler on his way. Evening gray Evening red and morning gray speed the traveler on his way. Evening gray

and morning red bring down rain upon his head. and morning red bring down rain upon his head. • Rainbow in the east, sailors at peace. Rainbow in the west, sailors in Rainbow in the east, sailors at peace. Rainbow in the west, sailors in

distress. distress. • Pale moon doth rain, red moon doth blow, white moon doth neither rain Pale moon doth rain, red moon doth blow, white moon doth neither rain

nor snow. nor snow. • When the dew is on the grass, rain will never come to pass. When the dew is on the grass, rain will never come to pass. • Rainbow in the morning, shepherds take warning; rainbow at night, Rainbow in the morning, shepherds take warning; rainbow at night,

shepherds’ delight.   shepherds’ delight.  

A Bunch of Hot Air.A Bunch of Hot Air.

• Cold air contracts or sinks.Cold air contracts or sinks.

• The air molecules get closer together, The air molecules get closer together, which makes the air heavier or more dense.which makes the air heavier or more dense.

• Hot air expands or rises. The molecules get Hot air expands or rises. The molecules get further apart, become less dense and they further apart, become less dense and they get lighter.get lighter.

• Do experiment with 2 paper bags and a Do experiment with 2 paper bags and a light sourcelight source

Warm and Cold FrontsWarm and Cold Fronts

Wild WeatherWild Weather

Hurricanes

Thunderstorms

Tornadoes

Research ProjectResearch Project• Pick A Wicked WeatherPick A Wicked Weather

– FloodFlood– Tornado(make a twister- Tornado(make a twister- http://eo.ucar.edu/webweather/tornact4.htmlhttp://eo.ucar.edu/webweather/tornact4.html

– HurricaneHurricane– TsunamiTsunami– Thunderstorm make a thunderstorm Thunderstorm make a thunderstorm http://eo.ucar.edu/webweather/tornact2.htmlhttp://eo.ucar.edu/webweather/tornact2.html

Your ProjectYour Project– TitleTitle– Describe itDescribe it– Where does this weather generally occur?Where does this weather generally occur?– Effects on Earth, humans and other living thingsEffects on Earth, humans and other living things– SafetySafety– ResourcesResources– 5 pictures5 pictures– Worksheet for studentsWorksheet for students– Bonus: experiment or hands-on activityBonus: experiment or hands-on activity

OutlineOutline

• Research It using these sitesResearch It using these sites– http://www.wartgames.com/themes/weather/dangerous-weather.htmlhttp://www.wartgames.com/themes/weather/dangerous-weather.html

FloodFlood

• Flood Simulator Flood Simulator http://library.thinkquest.org/C003603/sims/flooding/index.htmlhttp://library.thinkquest.org/C003603/sims/flooding/index.html

Flood of the Century

Brandon Flood 2011

Weather vs. ClimateWeather vs. Climate• Sort cards from page 290 into Sort cards from page 290 into

weather and or climate zonesweather and or climate zones

• Class ActivityClass Activity

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Water Cycle CloudsWeather

VocabularyStormy Weather

TornadoSafety and

Trivia

Nature’s way Nature’s way of recycling of recycling waterwater

What is the What is the water cycle?water cycle?

The process The process of water of water changing changing into an into an invisible gas invisible gas called water called water vaporvapor

What is What is evaporation?evaporation?

Amount of Amount of water vapor water vapor in the airin the air

What is What is humidity?humidity?

The process The process of water of water vapor turning vapor turning into water into water dropletsdroplets

What is What is condensationcondensation??

Water that is Water that is found found undergroundunderground

What is What is groundwatergroundwater??

Gray clouds Gray clouds that cover that cover the lower the lower part of the part of the sky; rain or sky; rain or snow falls snow falls from themfrom them

What are What are stratus stratus clouds?clouds?

White, puffy White, puffy clouds that look clouds that look like piles of like piles of cotton; they are cotton; they are known as fair-known as fair-weather cloudsweather clouds

What are What are cumulus cumulus clouds?clouds?

Thin, feathery Thin, feathery clouds that clouds that appear high in appear high in the sky; they are the sky; they are a sign that rain or a sign that rain or snow is on the snow is on the wayway

What are What are cirrus cirrus clouds?clouds?

Cloud that Cloud that forms at the forms at the earth’s earth’s surfacesurface

What is fog?What is fog?

Tall, dark clouds Tall, dark clouds that mean that mean thunderstorms thunderstorms with heavy rain with heavy rain and strong and strong windswinds

What are What are cumulonimbcumulonimbus clouds?us clouds?

The state of The state of the air at a the air at a certain time certain time and placeand place

What is What is weather?weather?

Scientists Scientists who study who study weatherweather

Who are Who are meteorologismeteorologists?ts?

Instrument Instrument that shows that shows wind wind directiondirection

What is a What is a wind vane?wind vane?

Measures Measures wind speedwind speed

What is an What is an anemometeranemometer??

The weather The weather of a place of a place over a long over a long timetime

What is What is climate?climate?

Most Most common common type of stormtype of storm

What is a What is a thunderstorthunderstorm?m?

Spinning Spinning cloud with a cloud with a funnel shapefunnel shape

What is a What is a tornado?tornado?

Large, Large, powerful powerful storm that storm that occurs over occurs over large bodies of large bodies of waterwater

What is a What is a hurricane?hurricane?

Water Water overflow that overflow that is caused by is caused by a large a large amount of amount of rainfallrainfall

What is a What is a flood?flood?

Another Another name for a name for a hurricanehurricane

What is a What is a typhoon?typhoon?

Where you Where you should go should go during a during a tornado if tornado if you are in a you are in a househouse

What is the What is the basement?basement?

Where you Where you should go should go during a during a tornado if you tornado if you are in a school are in a school or public or public buildingbuilding

What is the What is the lowest level lowest level of the of the building?building?

April through April through JuneJune

What are the What are the months that months that the most the most tornadoes tornadoes occur?occur?

What you What you should do if should do if you’re in a you’re in a car during a car during a tornadotornado

What is pull What is pull over and get over and get out of the out of the vehicle?vehicle?

Scale used Scale used rate the rate the damage and damage and speed of speed of tornadoestornadoes

What is What is the Fujita the Fujita scale (F-scale (F-scale)?scale)?