Across
- 2. very cloudy and dark.
- 6. Meteorologya brilliant flash in the sky, caused by an electric spark in the atmosphere, occurring within one thundercloud, between clouds, or between a cloud and the ground.
- 9. a brief fall of rain, hail, or snow.
- 11. an extended shortage of water
- 12. a heavy continuous fall of rain
- 13. a covering of tiny ice crystals.
- 14. grey or dark day.
- 15. a violent tropical storm, having very high wind speeds.
- 17. a very light and thin rain.
Down
- 1. an unusually large sea wave produced by a seaquake or volcanic eruption under water.
- 3. a loud, rolling noise produced by the expansion of air heated by lightning.
- 4. a storm with a heavy fall of snow
- 5. very windy and cold day.
- 7. a great flowing or overflowing of water, esp. over land not usually submerged.
- 8. a mixture of rain and snow.
- 10. the light of the sun.
- 15. iced rain.
- 16. Nongovernmental Organization, a charitable organization.