Across
- 1. low clouds that block out sun
- 3. process in which liquid turns to vapor
- 6. this type of cloud can produce hail
- 8. person who collects data from the atmosphere
- 10. when the air is at 100% humidity
- 11. thin high clouds made of ice crystals
- 12. device that measures wind speed
Down
- 2. large body of air that has the same temperature and humidity
- 4. this device measures relative humidity
- 5. flat bottomed fluffy clouds
- 7. the temperature to which air must cool to be saturated
- 9. this kind of front often brings many days of wet weather