Across
- 3. A condition occurring over a large area when the surface air temperature remains below 32F.
- 6. A unit of electrical charge which is equal to 1 ampere-second
- 7. Generally, a measure of the water vapor content of the air.
- 9. In general, the relationships between heat,temperature, pressure, density, etc
- 11. Wispy, light clouds found in the highest parts of the atmosphere
- 15. The summer form of ice pellets found in the winter months
- 17. Relatively strong winds concentrated in a narrow stream in the atmosphere
- 18. White ice crystals that have combined in a complex branched hexagonal form
- 19. A boundary or transition zone between two air masses of different density
Down
- 1. Precipitation in the form of liquid drops
- 2. The word used to describe any type of fall from clouds
- 4. The layer of the atmosphere which planes fly through
- 5. Generally, any forces that produce motion or affect change
- 8. A line connecting points of equal temperature
- 10. The star in the centre of our solar system which undergoes nuclear fusion
- 12. A line connecting points of equal pressure
- 13. The flat, spreading top of a cumulonimbus cloud
- 14. Intermittent rainfall of short duration that falls from a cumulus cloud
- 16. A unit of force equal to 1 kg/m s 2.
- 19. A covering of ice on exposed surfaces when the air temperture falls
