Weather

7. The warming of the Earth's surface and the air above it caused by gases in the air that trap energy from the sun
8. A narrow, variable band of very strong, predominantly westerly air currents encircling the globe several miles above the earth.
9. The forward edge of an advancing mass of warm air that rises over and replaces a retreating mass of cooler air. Warm fronts often cause steady precipitation.
11. Is a large volume of air in the atmosphere that is mostly uniform in temperature and moisture.
13. Cloud type that appears feathery or wispy, ¨curl of hair¨, from in very high altitude and made of ice crystals
14. An instrument measuring atmospheric pressure.
15. An instrument used to measure humidity

1. The force exerted onto a surface by the weight of the air
2. A device that measure wind direction
3. The change in pressure measured across a given distance
4. Fog or haze combined with smoke and other atmospheric pollutants
5. A storm with thunder and lighting and typically also heavy rain of hail
6. Cloud type that forms in flat layers when air cools over a large area, ¨spread out¨, tend to produce steady,light precipitation
10. Clouds that produce precipitation
12. A violent, tropical, cyclone storm of the North Atlantic, having wind speeds of or in excess of 72 miles per hour.