Across
- 7. – Rare and mysterious electrical phenomenon
- 9. – Natural formation of caves from melting ice
- 10. – Extremely large hailstones
Down
- 1. – Persistent thunderstorm in Venezuela
- 2. – Phenomenon where animals fall from the sky
- 3. – Cracking noises from rapidly freezing ground
- 4. – Electrical discharges occurring above thunderstorms
- 5. – Optical phenomenon occurring during sunset or sunrise
- 6. – Tornado-like vortices of fire
- 8. – Rainbows occurring at night under moonlight