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So… How’s the Weather?

So… How’s the Weather?. Weather and Climate, and why they matter. How do we describe weather?. Temperature-how hot or cool the air is Measured in degrees ˚ Fahrenheit: F (used in the United States) Celsius: C (metric system, used in most of the world)

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So… How’s the Weather?

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  1. So… How’s the Weather? Weather and Climate, and why they matter

  2. How do we describe weather? • Temperature-how hot or cool the air is • Measured in degrees ˚ • Fahrenheit: F (used in the United States) • Celsius: C (metric system, used in most of the world) • Every temperature measurement in F or C can be “translated” into the other “language” • tiempo = weather • clima = climate • 1 Mexican peso = 0.0857 US dollars • 0˚C = 32˚ F (thefreezingtemperature of water • 100˚ C = 212˚C (theboilingtemperature of water

  3. How do we describe weather? • Precipitation: How much water falls in a certain area • Rain: water in liquid form • measured by a rain gauge in centimeters (metric) or inches • Snow: water in solid form… measured by a snow gauge • measured by a rain gauge in centimeters (metric) or inches (U.S. customary system Q1: How do the ski areas know how much snow to report? Q2: Why do some mountains report different amounts of snow than others nearby? Q3: After it rains, does it matter how soon you check a rain gauge?

  4. How do we describe weather? • Wind direction: What direction the wind is going • Measured by a wind vane • Wind speed: How fast the wind is going • Measured by an anemometer • Humidity: How much water vapor is in the air • Measured by a hygromoter (or humidity gauge) • Atmospheric (air) pressure: How heavy air is • Measured by a barometer • Why measure these things? • How do they change the way you feel when you’re outside? • What else do they affect?

  5. Weather Stations around the world • The colors show when the stations started being used

  6. Where are our local stations? • http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=KCORIFLE

  7. The When and Where of weather • Is there anywhere that doesn’t have weather? • Weather happens everywhere all the time • But it’s very different … • in different places at the same time • At different times in the same place • It can be measured • It can be predicted based on patterns • but predictions are not always right. Why not?

  8. So What’s Climate? • Weather: what conditions (like temperature and precipitation) are like at a certain place and time • “It’s raining in Kansas” • “Temperatures were below zero last night” • “The humidity tonight will make it feel even hotter than usual” • Climate: A pattern over time of what weather is like in a certain area. It includes average temperatures and precipitation, along with extreme temperature and precipitation. • “The Rocky Mountains get a lot of snow” • “The tropics have a rainy season and a dry season” • “Deserts are really dry” • “The average temperature in July in Denver is 82˚F”

  9. In other words…. • In the words of a scientist: • Climate is what you expect • Weather is what you get • In the words of a middle school student: • Climate tells you what clothes to buy • weather tells you what clothes to wear • Any other analogies? (comparisons)

  10. Weather…. vs……Climate

  11. Climate or Weather? • If you were planning a party in your backyard, would you want to know about climate or weather? • If you were Marty, would you want to know about climate or weather? • If you and your family are going camping for a weekend, what would you want to know about? • If you were going to another state or country what would you want to know about in order to pack?

  12. What kind of climate…. • Do you like? • Do you dislike? • Can you survive in? • Can’t you survive in? • What about plants and animals? • What about Marty?

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