Weather Maps


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Weather Maps

  1. 1. Weather Maps Investigation 5-4
  2. 2. Weather Forecasting <ul><li>How do we know what the weather is like today? </li></ul><ul><ul><li>Weather is the condition of the atmosphere right now </li></ul></ul><ul><li>What will the weather be tomorrow? </li></ul><ul><li>How can we get some idea of what will be going on with the atmosphere tomorrow? </li></ul><ul><li>Predicting weather is called forecasting . </li></ul><ul><li>Meteorologists study and measure weather data </li></ul><ul><li>Weather forecasting </li></ul><ul><ul><li>How do you think meteorologists are able to forecast the weather? </li></ul></ul>
  3. 3. Weather Maps <ul><li>Tool used by forecasters </li></ul><ul><li>Information about weather variables </li></ul><ul><li>Meteorologists study variables and the patterns they make </li></ul><ul><li>Able to predict weather tomorrow </li></ul><ul><ul><li>Based on today and yesterday </li></ul></ul><ul><ul><li>Look for patterns of change </li></ul></ul>
  4. 4. 3-Day Weather Map Study <ul><li>Look for information you recognize on the map </li></ul><ul><li>Look for changes from one day to the next </li></ul><ul><li>See if you can predict what the weather map for the next day might look like </li></ul>
  5. 5. Weather Maps <ul><li>The end product of data gathering and organizing </li></ul><ul><li>Includes: </li></ul><ul><ul><li>Weather variables - temperature, wind, pressure, moisture </li></ul></ul><ul><ul><li>Surface measurements </li></ul></ul><ul><ul><li>Atmospheric measurements with radiosondes </li></ul></ul><ul><ul><li>Satellite imagery </li></ul></ul><ul><ul><li>Structure of cold, warm, and stationary fronts </li></ul></ul><ul><ul><li>High- and low-pressure centers </li></ul></ul><ul><ul><li>General weather trends: major systems move west to east, air flows from high- to low-pressure, high-pressure centers are colder than low-pressure centers </li></ul></ul>
  6. 6. Weather Maps Questions <ul><li>What weather variables do meteorologists measure when preparing weather forecasts? </li></ul><ul><li>Describe three kinds of fronts and the weather they produce. </li></ul><ul><li>What causes wind? </li></ul><ul><li>Where do you think it is raining on the sample weather map? Where will it rain tomorrow? </li></ul><ul><li>Where do you think the wind is blowing on the sample weather map? </li></ul><ul><li>Where is it likely to be cold and dry? </li></ul>
  7. 7. Weather Prediction <ul><li>Review your set of three weather maps. </li></ul><ul><li>Use the data and changes seen from day to day to forecast the weather for the next day again. </li></ul><ul><li>Where will the fronts be? Where will the wind and precipitation be? </li></ul><ul><li>Check your prediction against map 4. </li></ul><ul><li>What predictions were correct? What were you unable to anticipate? </li></ul>
  8. 8. Global Trends in Weather <ul><li>Weather systems tend to move from west to east in North America </li></ul><ul><li>Wind tends to blow from areas of high pressure to areas of low pressure </li></ul><ul><li>Air tends to be cool and dry in high-pressure areas; warm and moist in low-pressure areas </li></ul>
  9. 9. Vocabulary <ul><li>Surface measurements </li></ul><ul><ul><li>weather data collected at Earth’s surface with weather instruments. </li></ul></ul><ul><li>Atmospheric measurements </li></ul><ul><ul><li>weather data collected in the atmosphere with radiosondes attached to balloons. </li></ul></ul><ul><li>Weather map </li></ul><ul><ul><li>a picture of weather data displayed on a map of part of Earth’s surface </li></ul></ul>
  10. 10. Vocabulary <ul><li>Cold front </li></ul><ul><ul><li>occurs when a mass of cold air collides with a mass of warm air and pushes the warm air high into the upper atmosphere </li></ul></ul><ul><li>Warm front </li></ul><ul><ul><li>occurs when a mass of warm air collides with a mass of cold air and slides up over the cold air mass </li></ul></ul>
  11. 11. Content <ul><li>How are weather data obtained? </li></ul><ul><ul><li>Weather instruments on the ground </li></ul></ul><ul><ul><li>Radiosondes on balloons </li></ul></ul><ul><ul><li>Satellite images </li></ul></ul><ul><li>What kinds of data are displayed on weather maps? </li></ul><ul><ul><li>Atmospheric pressure </li></ul></ul><ul><ul><li>Weather fronts </li></ul></ul><ul><ul><li>Precipitation </li></ul></ul><ul><li>I-check 5 on Wednesday/Thursday (3/23-24) </li></ul><ul><li>Unit Test on Wednesday/Thursday (3/30-31) </li></ul>