Across
- 3. the amount of water vapor in the air
- 4. a type of cloud that are thick and puffy, fair weather clouds
- 5. rapidly moving air that vibrates and releases sound waves and is caused by lightning
- 7. the condition of Earth's atmosphere at a certain place and time
- 8. any form of water that falls to Earth's surface from the clouds
- 9. the study of weather and Earth's atmosphere
- 10. a boundary that forms between two air masses
- 13. the analysis of scientific data to predict future weather conditions
- 15. a type of cloud that are thin and flat, a grey blanket across the sky
- 17. measure of transparency of the atmosphere
- 18. a collection of small water droplets or ice crystals that are suspended in the air
Down
- 1. the force of air molecules pushing on an area
- 2. a tropical low-pressure system with very high winds
- 4. a type of cloud that are high in the atmosphere and look feathery.
- 5. a destructive, rotating column of air that has very high wind speeds and is sometimes visible as a funnel-shaped cloud
- 6. an electric discharge that happens between a positively and negatively charged area
- 10. water vapor that condenses near Earth's surface.
- 11. the temperature at which more condensation than evaporation occurs
- 12. air that moves horizontally
- 14. an intense local storm that forms strong winds, heavy rain, lightning, thunder
- 16. a large volume of air with a similar temperature and moisture content