Across
- 5. a swirling center of low pressure
- 6. winds that blow over short distances
- 9. the horizontal movement of air from an area of high pressure to an area of lower pressure
- 10. a funnel shaped cloud that reaches down to earth’s surface
- 11. the continual movement of the water among Earth’s atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
- 12. the amount of water vapor in a given volume of air
- 13. the flow of cooler air from over an ocean or lake toward land
- 18. a high pressure center of dry air
- 19. the process by which molecules at the surface of a liquid absorb enough energy to change to a gas
- 20. the pressure caused by the weight of a column of air pushing down on an area
- 21. an instrument used to measure relative humidity
- 23. a cold air mass that forms north of 50 north latitude or south of 50 south latitude and has high air pressure
- 24. an instrument that measures changes in air pressure without using a liquid
- 26. a measure of cooling combining temperature and speed
- 27. a dry air mass that forms over land
- 29. the flow of air from land to a body of water
- 30. bands of high speed winds about 10 kilometers above earth’s surface
- 31. a small storm often accompanied by heavy rain and frequent thunder and lightning
- 33. the change of state from a gas to a liquid
- 34. an instrument used to measure changes in air pressure
- 35. a huge body of air that has a similar temperature, humidity, and air pressure at any given height
- 37. elevation above sea level
- 40. a violent disturbance in the atmosphere
- 41. move away temporarily from an area about to be affected by severe weather
Down
- 1. the ratio of the mass of a substance to its volume
- 2. the boundary where unlike air masses meet but do not mix
- 3. winds that blow steadily from specific directions over long distances
- 4. cut off, as in a front where a warm air mass is caught between two cooler air masses
- 7. a sudden spark, or energy discharge, caused when electrical charges jump between parts of a could, nearby clouds, or between a cloud and the ground.
- 8. a warm air mass that forms in the tropics and has low air pressure
- 14. the distance in degrees north or south of the equator
- 15. the effect of the earth’s rotation on the directions of winds
- 16. a dome of water that sweeps across the coast where a hurricane lands
- 17. a scientist who studies the causes of weather and tries to predict it
- 22. an instrument that measures changes in air pressure, consisting of glass tube partially filled with mercury, with its open end resting in a dish of mercury
- 25. the percentage of water vapor in the air compared to the maximum amount of water vapour that the air can contain at a particular temperature
- 28. an instrument used to measure wind speed
- 32. a tropical storm with winds 119 km/h or up
- 36. a humid air mass that forms over oceans
- 38. a line on a weather map that joins places that have the same temperature
- 39. a line on a weather map that joins places that have the same air pressure