Across
- 4. an revolving pointer to show the direction of the wind,
- 6. an instrument that meauseres wind speed
- 9. a device used to measure rainfall
- 11. any liquid or frozen water that forms in the atmosphere and falls back to the earth. I
- 14. the conversion of a vapor or gas to a liquid.
- 15. an overflow of water onto normally dry land.
Down
- 1. a device used to measure temperature
- 2. prolonged period of abnormally low rainfall, leading to a shortage of water.
- 3. an instrument that measures atmospheric pressure
- 5. the process of turning from liquid into vapor.
- 7. an advancing mass of warm air
- 8. the temperature at which water condenses and dew forms
- 10. pellets of frozen rain
- 12. an advancing mass of cold air,
- 13. water vapor frozen into ice crystals