Across
- 4. An isolated lowering of cloud
- 9. A sound wave produced by lightning
- 12. Flat base and cauliflower bulge
- 14. Ridge moving from east to west
- 15. Area below surface that never thaws
- 17. Line of constant wind speed
- 18. Air that rises easily
- 20. When hot air meets cold ground
- 23. Clockwise change in wind direction
- 24. Ocean wave created by large seismic activity
- 26. Water from the heavens
- 28. Transition between two air masses
- 30. Air that flows out from a thunderstorm
- 31. How hot it feels
- 32. Many, strong downbursts
- 33. Optical phenomenon involving refracted light
Down
- 1. Violently rotating column of air
- 2. Consisting of polluted droplets
- 3. Showers over 54% of an area
- 5. Wind from land to water
- 6. Wind along the local parallel of latitude
- 7. Persistent seasonal wind
- 8. A strong downdrift of air
- 10. Measuring device, atmospheric pressure
- 11. Water vapor condenses here
- 13. Progressive wave with lower air pressure
- 16. Thin ice crystals on the ground
- 19. Increased tide due to lunar cycle
- 21. Brief, sudden increase in wind speed
- 22. Between 6 and 9 tenths of the sky
- 25. Air streams, moving two dimensionally
- 27. Ring of light circling the sun or moon
- 29. Gravity-bound air