Weather Crossword

1. describing a warm, moist air mass.
3. generally brings clear skies and calm air or gentle breezes
7. Located near the poles, winds that blow from East to West between 60 and 90 degrees latitude in both hemispheres.
10. Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink.
13. Cold dry air. Forms usually over northern Canada and Alaska.
14. winds that blow steadily from specific directions over long distances
17. A frequently windless area near the equator
18. are uniform grayish clouds that often cover the entire sky. Light mist or drizzle sometimes falls out of these clouds.
19. Describing a cold, moist air mass that is formed over the ocean in polar areas
20. The movement of air caused by cool air over the ocean moving toward the land.

2. a weather system that usually brings cloudiness and stormy weather
4. Global winds that flow toward the equator, turning west as they go. Used frequently by early sailors.
5. Hot, dry air masses mostly in Southwest and northern Mexico
6. Concentration of trace substances, such as carbon monoxide, sulfur dioxide, nitrogen oxides, hydrocarbons, and solid particulates, at a greater level than occurs in average air
8. Winds that mostly affect the weather in the US and are located between 30 and 60 degrees latitude. Move West to East.
9. the movement of air caused by differences in air pressure
11. Winds that mostly affect the weather in the US and are located between 30 and 60 degrees latitude. Move West to East.
12. An area of calmer winds. Located where most of the world's deserts are located.
15. Rain with a slightly lower pH than regular rain water. It is caused from sulfur oxides from burning coal mixing into rainwater.
16. A line on a weather map that joins places that have the same air pressure