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Grievous

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Causing grief or sorrow, hurtful

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Another name for visible white frost

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hoarfrost

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These particles serve as surfaces on which water vapor may condense

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condensation nuclei

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Fog that forms as moist air flows upward along an elevated surface

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upslope fog

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Arctic sea smoke and :steam devils" are a form of this type of fog

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steam fog

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A tiny liquid drop of dew that freezes when the air temperature drops below freezing

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frozen dew

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A positive benefit of fog for fruit and nu trees

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winter chilling

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Fog that most often forms as warm rain falls into a cold layer of surface air

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frontal fog

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When fog "burns off" it does this

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evaporates

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Satellite that provides a vertical view of cloud properties including precipitation intensity

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CloudSat

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The most common type of fog along the Pacific coast of North America

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advection fog

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Beads of water that have condensed onto objects near the ground

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dew

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Fog that most commonly forms on clear nights, with light or calm winds

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radiation fog

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A "mackerel sky" describes this cloud

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cirrocumulus

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A low, lumpy cloud layer that appears in rows, patches, or rounded masses

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stratocumulus

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A towering cloud that has not fully developed into a thunderstorm

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cumulus congestus

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Hail is usually associated with this cloud type

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cumulonimbus

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The sun or moon are dimly visible or appear watery through this gray, sheetlike cloud

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altostratus

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A halo around the sun or moon often identifies the presence of this cloud

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cirrostratus

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Wispy, high clouds

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cirrus

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Light of moderate but steady precipitation that covers a broad area is most often associated with this cloud

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nimbostratus

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This cloud's elements should be about the size of your thumbnail when your hand is extended to arm's lenght

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altocumulus

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Lighting and thunder are associated with this cloud

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cumulonimbus

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A cloud of vertical development that resembles a small piece of floating cotton

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cumulus

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A middle cloud that occasionally forms in parallel waves or bands

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altocumulus

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The cloud with the smallest elements or puffs as viewed from the surface

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cirrocumulus

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A low, uniform, grayish cloud, whose precipitation is most commonly drizzle

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stratus

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This cloud's elements should be about the size of your fist when your hand is extended to arm's lenght

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stratocumulus

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When fog lifts above the surface it forms this gray, sheetlike cloud

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stratus

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Cloud with the greatest vertical growth

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cumulonimbus

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Cirrus clouds are composed primarily of

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ice crystals

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Fog that forms as relatively warm air moves over a colder surface is called

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advection fog

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The cooling of the grounds to produce dew and frost is mainly the result of

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radiational cooling

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Clouds that appear as bag-like sacks hanging from beneath a cloud are called

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mammatus

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A cloud-like steam seen forming behind a jet aircraft is called

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contrail or condensation trail

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Another name for "Water-seeking" condensation nuclei is

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hygroscopic

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Clouds with a lens shape that often form over and downwind of mountains are called

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lenticular

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Another name for a "luminous night cloud" is

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noctilucent cloud

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A cloud that sometimes resembles a silken scarf capping the top of a developing cumulus cloud is the

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pileus or cap cloud

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Clouds that form in the stratosphere and are also called mother-of-pearl clouds

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nacreous

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Ragged-looking clouds that drift rapidly with the wind, often beneath a nimbostratus cloud, are called

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scud

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Condensation nuclei are important in the atmosphere because

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without them, condensation would not occur naturally in the atmosphere

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The fog most likely to form on a clear, calm autumn morning above a cold lake is

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evaporation (mixing) fog

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A cloud that resembles :little castles in the sky" is called

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castellanus

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A reasonably successful method of dispersing cold fog is to

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seed the fog with dry ice

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Of the different types of fog listed below, which one does not necessarily form in air that is cooling

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evaporation (mixing) fog

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If you are standing outside and notice that the sky is covered with a high, white layered cloud, and you look at the ground and observe your shadow, you may conclude that the cloud overhead is

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cirrostratus

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The highest clouds in our atmosphere are called

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noctilucent clouds

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If a cloud appears white in a visible satellite image and gray in an infrared image, the the cloud most likely is a

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low cloud

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The wintertime fog that often occurs in the central valley of California is mainly

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radiation fog

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The satellites that are positioned at the highest level above Earth's surface are

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geostationary satellites

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Which of the clouds least likely to produce previpitation that reaches the ground

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cirrocumulus

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A cloud that forms in descending air is

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mammatus

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Which of the statements below is correct about polar orbiting satellites

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on each successive orbit, the cover an area to the west of the previous orbit

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The relative humidity could well exceed 100 percent without producing fog when

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there are no condensation nuclei present

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Fog can be compose of ice crystals(T/F)

answer

T

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In middle latitudes, high clouds are typically observed above altitudes of 20,000 ft(T/F)

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T

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Advection fog is more likely to form at the headlands, rather than at the beaches of an irregular coastline because at the headlands surface winds then to converge and rise.(T/F)

answer

T

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Cirrus clouds appear white in a visible satellite picture and gray in an infrared satellite picture(T/F)

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F

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Frost forms when water vapor changes directly into ice without first becoming a liquid (T/F)

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T

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Dew is most likely to form on clear, windy nights(T/F)

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F

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When clouds are viewed near the horizon, the individual cloud elements often appear farther apart than they actually are(T/F)

answer

F

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Infrared satellite images are computer enhanced to increase contrast between specific features in the picture(T/F)

answer

T

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Valleys are most susceptible to radiation fog than are hilltops(T/F)

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T

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The largest concentration of condensation nuclei is usually observed at cloud level(T/F)

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F

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On a winter night the air cools to the dewpoint temperature and a thick layer of radiation fog forms around midnight. If the air continues to cool during the night, in 5 hours or so the dew point temperature will probably be higher than it was at midnight

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F

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With the same water vapor sat_flash_1, fog that forms in clear air is usually thicker (more opaque) than fog that forms in dirty air(T/F)

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F

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Dry haze usually restricts visibility more than wet haze(T/F)

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F

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Instruments that measure the height of a cloud's base above the ground are called ceilometers(T/F)

answer

T

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