Across
- 1. An electrical discharge from a thunderstorm
- 3. A visible mass of condensed watery vapour floating in the atmosphere
- 4. An overflow of a large amount of water beyond its normal limits, especially over what is normally dry land
- 5. Light, fine rain
- 7. Strong winds, heavy rain and possibly thunder and lightning
- 8. Very strong winds
- 9. A thick cloud at or near the ground
- 10. A seasonal wind that can bring heavy rainfall
- 11. A sudden, brief increase in the speed of the wind
- 14. Large liquid water particles falling from the sky
- 15. The amount of water vapour in the atmosphere
- 16. Air in motion relative to the surface of the earth
- 18. Optical phenomenon when light is refracted and reflected by moisture in the air into concentric arcs of colour
Down
- 2. The sound wave produced as a lightning stroke heats the air
- 3. A temperature scale in which zero is the freezing point of water
- 5. A prolonged period of abnormally low rainfall
- 6. The process of a liquid changing into a vapour or gas
- 12. A source of light and heat on the earth
- 13. The formation of thin ice crystals on the ground
- 17. Moisture that has condensed on objects near the ground