Across
- 3. ring of light around moon or sun due to light passing through ice crystals
- 4. rapid flow of ice, snow, and rocks down a mountain slope
- 6. emission of light by living organisms due to chemical reactions
- 9. intense, rotating column of air
Down
- 1. giant wave in the ocean triggered by an underwater earthquake
- 2. boom after lightning
- 5. precipitation of ice pellets
- 6. intense winter storm with strong wind and heavy snow
- 7. optical illusion from atmospheric bending on rays of light on hot days
- 8. a thick low-lying cloud on the earth's surface