Across
- 5. rain/Cloud or rain droplets containing pollutants.
- 6. boundary between two different air masses.
- 9. the speed of the wind.
- 11. to sunset
- 12. visible energy discharges
- 13. vane/shows the direction of the wind.
- 14. from rain.
Down
- 1. amount of water vapor in the atmosphere.
- 2. atmospheric pressure.
- 3. to sunset.
- 4. the weather is 7 degrees Celsius lower than usual in winter.
- 7. point/when the temperature is below 32F
- 8. 0 is freezing point and 100 is boiling point.
- 10. the sky is at least 60% covered in clouds.