Weather Vocabulary

6. Exchange of heat or moisture with surface over which an air mass moves.
8. Stream High-altitude, high speed, narrow, westerly wind belt.
12. Easterlies Global wind stream that lies between 60 degrees latitude and the poles.
13. Forecast Weather forecast that uses numerical data to determine how atmospheric variables change over time.
14. Model A record of weather data for a specific place at a specific time, using meteorological symbols.
15. Effect Change in the wave frequency that occurs when that wave moves toward or away from an observer.
16. Effect The deflection of air particles caused by Earth's rotation.
18. Winds Global wind system that flows between 30 degrees latitude and the equator.
20. Forecast Weather forecast that compares current weather patterns to patterns that occur in the past.
22. Weather instrument used to measure air pressure.
23. A line on a weather map that connects points of equal temperature.

1. Weather instrument used to measure wind speed.
2. Weather instrument used to measure relative humidity.
3. Westerlies Global wind system that lies between 30 degrees and 60 degrees north and south latitude.
4. The average weather of a particular area over a long period of time.
5. Mass Large body of air that takes on the characteristics of the area over which it forms.
7. Weather instrument used to measure temperature.
9. Balloon-borne weather package whose sensors measure air pressure, humidity, temperature, wind speed, and wind direction at high altitude.
10. The study of the atmospheric phenomena.
11. A line drawn on a weather map that connects points of equal or constant values.
17. Weather instrument used to measure the height of cloud layers.
19. A line on a weather map that connects points of equal pressure.
21. The boundary between two air masses of differing densities.