Across
- 5. an instrument for measuring the speed of the wind, or of any current of gas.
- 10. a device that shows the cardinal directions used for navigation and geographic orientation.
- 11. an expert in or student of meteorology; a weather forecaster.
- 13. an instrument for measuring and indicating temperature.
- 14. a map showing the state of the weather over a large area.
- 15. a mechanical device attached to an elevated structure; rotates freely to show the direction of the wind.
- 17. balloon that carries instruments aloft to send back information on atmospheric pressure, temperature, humidity and wind speed.
- 18. the transition zone where a warm air mass is replacing a cold air mass.
- 20. a whirling mass of cool, dry air that generally brings fair weather and light winds.
Down
- 1. an instrument for measuring the humidity of the air or gas.
- 2. a whirling mass of warm, moist air that generally brings stormy weather with strong winds
- 3. the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.
- 4. a psychrometer that can be whirled in the air until the reading of the wet-bulb thermometer reaches a constant value.
- 6. the weather conditions prevailing in an area in general or over a long period.
- 7. an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
- 8. the envelope of gases surrounding the Earth
- 9. a type of satellite that is primarily used to monitor the weather and climate of the Earth.
- 12. the transition zone where a cold air mass is replacing a warm air mass.
- 16. a unit of speed equal to one nautical mile per hour.
- 19. a device for collecting and measuring the amount of rain that falls.