Across
- 1. An instrument used to measure changes in air pressure.
- 5. Man's best friend
- 8. A sudden spark or electrical discharge formed when a charge jumps from cloud to cloud.
- 9. A thin glass tube with a bulb at one end containing alcohol or mercury which is used to measure temperature.
- 10. Likes to chase mice
- 12. Cut off, as in a front where a warm air mass is caught between two cooler air masses.
- 14. An instrument used to measure wind speed.
- 19. Large marsupial
- 23. surge: A dome of water that sweeps across the coast where the hurricane lands.
- 24. A high-pressure center of dry air.
- 25. A tropical cyclone that has winds of 119 KM/hr. or higher.
- 26. Low pressure warm air mass which forms in the tropics.
- 27. Clouds that form in flat layers and often cover much of the sky.
- 28. A swirling center of low air pressure.
Down
- 2. mass: A huge body of air that has similar temperature, humidity, and air pressure at any given height.
- 3. A small storm often accompanied by heavy precipitation and frequent thunder and lightning.
- 4. Flying mammal
- 6. A violent disturbance in the atmosphere.
- 7. streams: Bands of high-speed winds about 10 kilometers above the Earth’s surface.
- 11. Has a trunk
- 13. Fluffy, white clouds, usually with flat bottoms, that look like rounded piles of cotton.
- 15. The boundary where air masses meet.
- 16. A rapidly whirling, funnel-shaped cloud that reaches down a storm cloud to touch the Earth’s surface.
- 17. House effect: Gases form a blanket around the Earth that holds heat in the atmosphere.
- 18. Whispery, feathery clouds made from ice crystals that form at high levels.
- 20. High pressure cold air mass which forms north of 50o north and south of 50o South.
- 21. Air mass that forms over the ocean.
- 22. Air mass that forms over land.