Weather and Climate

• Weather


  The day-to-day changes in the atmosphere
• Climate


  The average atmospheric conditions found in a given area
• Weather differs from climate
• Atmosphere


  • The air surrounding us
  • The air that we breathe
  • The place where our weather happens
• Weather forecasts


  Predictions about what the weather is likely to be in the upcoming days and weeks
• How weather forecasts are put together

  1. Collect data from ground level, aeroplanes, weather buoys, radar and satellites

  2. Use supercomputers to analyse the complex and ever-changing atmosphere

  3. Forecasts are becoming more accurate over time
• Weather data is collected on the land, in the sea, in the air, and from space
• Instruments used to measure weather

  • Thermometer
  • Rain gauge
  • Barometer
  • Anemometer
  • Weathervane
• Thermometer


  A device used to measure temperature in degrees Celsius (°C) and/or degrees Fahrenheit (°F)
• Rain gauge


  A device used to measure rainfall in millimetres (mm)
• Barometer


  A device used to measure air pressure in millibars (mb)
• Anemometer


  A device used to measure wind speed in miles per hour (mph)
• Weathervane


  An instrument used to indicate wind direction