1. weather

2. forecast

3. The state of the atmosphere: considering wind, temperature, cloudiness, moisture, pressure, and other factors.

4. A prediction of what the future weather will be like.

5. atmosphere

6. temperature

7. The layer of air that surrounds the earth.

8. A measurement of the amount of heat something contains.

9. weather pattern

10. climate

11. When the weather repeats itself several days in a row.

12. The average weather over a long period of time.

13. almanac

14. water cycle

15. A book that contains weather data and forecasts.

16. The journey water takes as it circulates from the land to the sky and back again.

17. water vapor

18. condensation

19. Water in its gaseous state- instead of liquid or solid. It is totally invisible.

20. When a gas becomes a liquid.

21. evaporation

22. precipitation

23. When a liquid becomes a gas.

24. Any liquid or solid form of water that falls from the atmosphere. For example: rain, snow, hail, or sleet.

25. stratus

26. cirrus

27. Flat, featureless clouds low in the atmosphere that cover the sky like a blanket. They indicate rain.

28. High level clouds made mostly of ice crystals. They indicate fair weather.

29. cumulonimbus

30. cumulus

31. Clouds that bring summer storms, usually with thunder, lighting, and strong winds.

32. Mid-level, puffy clouds. They indicate fair weather.

33. fog

34. wind isobars

35. Clouds that form at ground level.

36. Air flowing from high pressure to low pressure.

37. beaufort scale

38. prevailing winds

39. A scale that relates the wind speed to its effects, classified from force 0 to force 12.

40. The speed and direction of wind over a particular point on the earth's surface.

41. Westerlies

42. Easterlies

43. The global winds that carry weather over the United States, traveling from West to East.

44. Global winds at the poles of the earth. These global winds sometimes affect our weather during the winter months.

45. air mass

46. air pressure

47. A massive bubble of air that has the same temperature and pressure throughout.

48. The force of air pushing down on Earth.

49. barometer

50. aneroid barometer

51. A device used to measure air pressure.

52. A barometer that uses liquid.

53. isobar

54. front

55. A line drawn on a weather map that connects locations with the same air pressure.

56. Where air masses meet, but do not mix and rain or storms occur.

57. cold front

58. warm front

59. The leading edge of a moving mass of cold air, brings thunderstorms, and leaves behind cooler air.

60. The leading edge of a moving mass of warm air, brings rain showers, leaves behind warmer air.

61. occluded front

62. stationary front

63. Where a cold front catches up to and overtakes a warm front.

64. When a cold and a warm air mass meet, but neither moves.

65. tornado

66. hurricane

67. A narrow, violent funnel cloud that may form during a thunderstorm with winds greater than 65 kph.

68. A large rotating windstorm with a calm central eye and winds greater than 75 mph.

69. meteorologist isobars

70. meteorology

71. A person who studies the weather.

72. The study of the earth’s atmosphere and what happens in it.

73. station model

74. rain gauge

75. A weather symbol that represents the state of the weather at a particular place.

76. A device used to measure the amount of precipitation in a given area.