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Analyze: Forecast the Weather

Choose which weather-related topic you would like to delve into, and start preparing your own expert forecast!



Winter Storm


How the Experts Do It
When making a forecast about the weather, a meteorologist starts off by studying the current conditions. There are many ways that forecasters gather the data they need:

  • There are weather stations all around the world — at airports, on ships, and on ocean buoys. At least once an hour, these stations record different weather conditions such as pressure, temperature, winds, and humidity.
  • Satellites positioned in outer space can measure temperature, cloud cover, and wind.
  • Twice a day weather balloons are launched into the atmosphere from locations around the world. Balloon soundings, or readings, provide data on pressure, temperature, winds, and humidity in the upper atmosphere. Forecasters use this information to draw maps showing current weather conditions.