Weather
description
Transcript of Weather
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Weather
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Storm chasers1. How did the stormchaser know a tornado
was forming? Use observations to explain.
2. List 2 benefits of using videography to capture extreme weather.
3. List 2 limitations of using videography to capture extreme weather.
Introductory Journal
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It is 1765. You are a scientist that has been asked by Laurent Lavoisier (first scientist to measure weather) to be a member of the first official meteorology team.
The team has been given the directions for how to make the following pieces of weather equipment: barometer, rain gauge, hygrometer, weather vane & anemometer. Your team’s assignment is to collect weather data for 5 days, keep a weather journal (observations & actual), and use this information to answer the following questions:
What patterns are there between the measurements collected when using the equipment and the weather?
How can future scientists use this equipment to predict the weather?
Were there any pieces of equipment that you would like to improve? If so, how would you improve them?
Weather Forecasting: Meteorology Team
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Team Name: ________________________________________________
Recorder: responsible for keeping weather journal (including actual)____________________________________________________________
Analyst: responsible for making data tables & keeping data after each outing____________________________________________________________ Manager: responsible for overseeing project & final meeting (answering questions)___________________________________________________________
Writer: responsible for overseeing the creation of the final report to be submitted___________________________________________________________
Meteorology Teams
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Team Name:________________________________________________ Recorder: responsible for keeping weather journal (including actual)____________________________________________________ Analyst: responsible for making data tables & keeping data after each outing________________________________________________ Engineers: responsible for organizing the construction of the equipment & ensuring readings (to complete readings if a member is absent) Member’s Assignments:Anemometer: ________________________________________________Hygrometer: _________________________________________________Barometer: __________________________________________________Weather Vane: _______________________________________________Rain Gauge: _________________________________________________ Manager: responsible for overseeing project & final meeting (answering questions)________________________________________________ Writer: responsible for overseeing the creation of the final report to be submitted
Meteorology Teams
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13.8 – Hydrosphere 13.9 – Major Ocean Currents
Please complete each of the following tasks to share with a partner during our next class:
A. Read and write summary notes
B. Create a visual (i.e. word web, flow chart, labeled diagram, etc.) that represents the main points discussed in your section
C. Write 3 original questions to ask you partner so that you can check her/his understanding of your summary & diagram
Hydrosphere & Ocean Currents
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Global Wind Patterns
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Currents are caused by: Convection currents Wind Earth’s rotation Heat capacity of water Shapes of Continents Salt in water
Ocean Currents
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Ocean Currents
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Water, land & plants gain energy from sun & surroundings
Energy gain = faster water molecules
Faster water molecules = rising water vapour
At high altitude, temp. is colder & water vapour liquid (condensation)
Energy & Condensation
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Clouds: Fine droplets of water Light Carried by wind
Cloud Formation: Convective – moist air near ground rises &
cools Frontal – moving air masses meet; cold & warm Orographic – warm, moist air moves up
mountain & cools
Energy & Condensation
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Clouds
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Droplets accumulate & cool Heavy, larger droplets = falling condensation
(rain) Types:1. Drizzle – fine drops2. Rain – larger drops3. Freezing rain – cold rain hits cold surface4. Snow – water vapour crystallizes on tiny solid
particles (below 0˚C)5. Hail – cumulonimbus clouds; frozen, layered
drops
Condensation (p. 556):
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1. Explain one thing that common about the causes of condesation and wind.
Wind: Moves in predictible pattern Leads to movement of condensation Creates predictable weather patterns
(hurricane path)
Condensation & Wind
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Global Weather Model
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1. In your own words, describe severe weather.
2. Explain how condensation is formed.
3. Describe what wind is.
4. Explain how the absorption of the sun’s energy (heat) affects wind and precipitation.
Reflection – Weather Patterns
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5. Outline the pattern of wind currents on the global scale.
6. Outline the pattern of ocean currents on the global scale.
7. Base on all that you have learned, what would you say is the main cause of extreme weather on Earth? Support your response with ideas learned during this unit.
Reflection – Weather Patterns
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1. What patterns are there between the measurements collected when using the equipment and the weather?
2. How can future scientists use this equipment to predict the weather?
3. Were there any pieces of equipment that you would like to improve? If so, how would you improve them?
Meterology Questions