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2 tgisone






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2 tgisone 2 tgisone Presentation Transcript

  • ByTim Gisone
  •  Temperatures changes that happen even though heat isn’t added or taken away are called adiabatic temperature changes.
  •  It is another way of saying wind word. Occurs when elevated terrains, such as mountains, act as barriers. www.waterencyclopedia.com
  •  It occurs between colliding masses of warm and cold air. Frontal wedging is the process where cold air acts as a barrier for warmer air.
  •  Lifting air from the lower atmosphere flowing together.
  •  Unequal heating of surface warms pockets of air more then the air that surrounds it.
  •  It tends to stay in its original position, while the air that is unstable is rises. When the air is most stable conditions happen like air temperatures increase with height, this is called temperature inversion.
  •  The air must be saturated for any condensations to form like dew, fog, or clouds to form. Tiny bits of particulate matter called condensation nuclei occurs in the air above ground, and they serve as water vapor for the surface.
  •  Cirrus clouds are clouds are high, white, and thin, they occur as patches or delicate veil-like sheets. Cumulus clouds are rounded individual masses, they normally have flat bases and the form around rising domes, or towers.
  •  Cirrocumulus clouds are mad up of fluffy masses, and cirrostratus clouds are flat. High clouds are thin and white and mostly made up of ice crystals. This is because of the low temperatures and small quantities of water vapor.
  •  Altocumulus clouds are made up of rounded masses that differ from cirrocumulus clouds in that altocumulus clouds are larger and denser.
  •  There are 3 types of low clouds one is stratus, stratocumulus, and nimbostratus, occasionally these clouds produce light precipitation.
  •  These clouds have their bases in the low height range but often extend upward into the middle or high altitudes.
  •  Fog can form on cool, clear, calm nights progresses, a earths surface cools rapidly by radiation. When cool air moves over warm water, enough moisture may evaporate from the water surface to produce satuation.
  •  The Bergeron process is a theory of precipition of supercooled clouds, freeing nuclei, and different levels of saturation of ice and liquid water. Liquid water below 0 is supercooled.
  •  When air gets saturated with water it is supersaturated with ice. The collision-coalescence process is raindrop formations in warm clouds, and large cloud droplets collide together with smaller droplets to become raindrop.
  •  When surface temperatures is above 4 degrees C, snowflakes usually melt and continue their decent ad rain before they reach the ground. Rain means drops of water that fall from a cloud and have a diameter of at least 0.5 mm.
  •  Sleet is the fall of small particles of clear-to- translucent ice. For sleet to form, a layer of air with temperatures above freezing must overlie a subfreezing layer near the ground. Hail is made in cumulonimbus clouds, hail begins as small ice pellets that grow by collecting supercooled water droplets as they fall through a cloud.