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NRM
Chapter 5
20
Science
Undergraduate 1
10/30/2008

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Cards

Term
Alto
Definition
middle (2-8km) never used by itself
Term
Cumulus
Definition
verticle clouds. Showery precipitation (short) because in unstable atmosphere, lots of lift and convention, going up fast so drops form quickly, few form but big size so falls very fast
Term
Stratus
Definition
(blanket) low clouds (horizontal development. Steady precipitation (long) more stable atmosphere rising gently, drops much smaller (fall shower, longer period of time)
Term
Cirrus
Definition
High Cloud (5km and up)
Term
Nimbus (Nimbo)
Definition
a rain cloud or very dark cloud (darker it is more matter it has, which means a lot of water)
Term
Contrails
Definition
condensation trails created by jets, the exhaust from jets (mositure in exhaust)if there is a lot of mositure in the air contrails will last, but if the air is dry then the contrails will not last
Term
Halo
Definition
(ring around the moon or sun) created by cirrus clouds with red on inside
Term
Corona
Definition
(bright whitish disk centered on the moon or sun) created by a thin layer of altostratus or altocumulus clouds with red on the outside and blue on the inside when color is present
Term
fog
Definition
cloud in contact with the ground formed by reaching dew point by cooling
Term
Advection fog
Definition
When warm and moist air is blown over a cold surface, it becomes chilled and may form a blanket of fog
Term
Upslope Fog
Definition
with elevation change, air moves up and cools, reaching dew point, thus forming fog
Term
Radiation or Ground Fog
Definition
cooling by heat loss at night from earth (creating 100% sat) --> fog
Term
Steam Fog
Definition
water evaporates into the air
Term
Frontal Fog
Definition
water evaporates over a front
Term
Cloud dispersal
Definition
warm it up, evaporate water
Term
Fog dispersal
Definition
warm it up (sun). sun energy is absorbed into ground and then radiates from the ground and the fog dispersates from the ground up. air starts desending (gets commpressed and warm)and fog is warm enough it then disperts which is called Adiabatic heating.
Term
Hail
Definition
more apt to happen in the summer time not winter, formation does not have to do with temperature down at earth, comes out of thunder head clouds.
Term
Graupel
Definition
little chunks of soft ice, wisks up, temperature goes down and freezes harder, then settles back down where air is more saturated, then water collects on it then up draft swips it up and freezes (repeats until it falls to earth) has consentric layers of ice
Term
Prevention of Frost Damage
Definition
Heaters (warm ground), smug fires (smokey fires create lot of particles of carbon, absorb heat then release heat thus area around plant warmer), covering (with paper or cloth, keeps evergy in coming off the plant and ground from escaping), sprinkling (1. heat in water 2. latent heat of fusion gets released when ice forms)
Term
Mixing of Air
Definition
earth is radiating heat from the surface on a clear night cooling ground and bottom of atmosphere but warmer air high up if enough warm air can mix --> inversion (windmills, helicopter)
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