Across
- 1. a mass of snow, ice, and rocks falling rapidly down a mountainside
- 3. the amount of moisture in the air
- 8. the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain
- 11. a loud rumbling or crashing noise heard after a lightning flash due to the expansion of rapidly heated air.
- 12. a storm with thunder and lightning and typically also heavy rain or hail.
- 14. the layer of gases surrounding Earth
- 16. a long period of unusually dry weather
- 17. an instrument for measuring temperature
- 18. the process where water vapour becomes liquid
Down
- 2. pellets of frozen rain which fall in showers from cumulonimbus clouds
- 4. the kind of weather experienced by a place over a long period
- 5. the branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather
- 6. a severe snowstorm with high winds.
- 7. a fire in scrub or a forest, especially one that spreads rapidly
- 9. an overflow of water that covers land that is usually dry
- 10. vapour, water in the form of gas
- 13. a series of waves caused by earthquakes or undersea volcanic eruptions
- 14. pressure, the downward force caused by the weight of the air pressing on the surface of Earth
- 15. a tropical storm over the north Atlantic ocean, the Caribbean sea, the Gulf of Mexico, or the Northeast Pacific Ocean
- 19. to change from liquid into vapour