THE WEATHER

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.

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.