Across
- 3. wind scale
- 4. happens when ice falls
- 7. the circle of water
- 12. brings bad weather
- 14. 5000m in the sky
- 17. masses of water
- 18. used to gather data
- 20. brings sowers
Down
- 1. steady blow of wind
- 2. stream of air
- 5. moving air
- 6. 4000m in the sky
- 8. 2000m in the sky
- 9. when things evaporate
- 10. low altitude
- 11. altitude
- 13. produces light
- 15. gas
- 16. 8000m in the sky
- 19. tropical air mass
