MET1010 Exam 2 Study Guide CHAPTER 5 1 Dew is most likely to form on nights that are clear and calm than on nights that are cloudy and windy 2 The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is frozen dew 3 The cooling of the ground to produce dew is mainly radiational cooling the result of 4 For frozen dew to form 5 Suppose it is a winter night and at about 10 p m the air cools to the dew point temperature and a thick radiation fog develops If the air continues to cool during the night in 5 hours the dew point temperature will probably all of the above the air temperature needs to drop to freezing or below decrease as the air becomes drier 6 Particles that serve as surfaces on which water vapor condensation nuclei may condense are called 7 Frost forms when all of the above when the dew point temperature is at or below freezing 8 On a humid day the causes salty potato chips left outside in an uncovered bowl to turn soggy the attraction of water by hygroscopic condensation nuclei 9 Frost typically forms on the inside of a windowpane rather than the outside because there is more water vapor touching the inside of the pane 10 Condensation nuclei may be particles of dust 11 Condensation nuclei are important in the atmosphere because without them condensation would not occur easily in atmosphere 12 Under what circumstances could the relative humidity there are no condensation nuclei present exceed 100 percent without producing fog 13 Wet haze forms when the relative humidity is less than 100 14 On a cold winter morning the air near the surface is full of smoke particles If fog should form in this air it will probably be fog that forms in cleaner air be thicker than fog 15 High fog is also called stratus 16 When radiation fog burns off the fog tends to from bottom up dissipate 17 When fog burns off it evaporates 18 On a clear night the minimum temperature drops to 34 F The following night fog forms early in the evening It is a good bet the minimum temperature will not be as low because of the enhancement of the greenhouse effect by the fog cloud 19 Winter fog in the Central Valley region of California radiational cooling is mainly due to 20 On a cold winter morning the most likely place for in a valley radiation fog to form is 21 The fog that forms along the Pacific coastline of advection fog North America is mainly which type 22 Fog that forms off the coast of Newfoundland is advection fog mainly a form of 23 Along an irregular coastline advection fog is more likely to form at the headlands than at the beaches because of the surface winds and air converging rising 24 If fog is forming at Denver Colorado and the wind is blowing from the east then the fog is most likely upslope fog 25 Exhaled breath from your mouth can condense when it is very cold 26 When you see your breath on a cold morning the air can be above or below freezing temperature 27 The use of helicopters to mix the air and disperse radiation fog at airports is effective provided that the fog is a shallow radiation fog with a relatively low liquid water content 28 On a cold calm autumn morning the formation of fog above a relatively warm lake would most likely be steam fog 29 Which fog does not necessarily form in air that is Evaporation fog cooling 30 Frontal fog most commonly forms as raindrops Warm colder fall into a layer of air 31 Fog that most often forms as warm rain falls into a Evaporation cold layer of surface air is called 32 Clouds are classified by their Appearance 33 A reasonably successful method of dispersing cold Seed the fog with dry ice fog is to 34 Fog is a major hazard to aviation True 35 Which association below is NOT correct Altrostratus high cloud 36 At which city might you be able to observe cirrus Barrow Alaska clouds at an altitude of 3 000 m 10 000 feet above the surface 37 Even at high elevations where cirrus clouds are found False liquid water still exists in the clouds 38 Which association below is not correct Altocumulus castellanus resemble little castles 39 Which cloud is LEAST likely to produce precipitation Cirrocumulus that reaches the ground 40 In middle latitudes which cloud will have the highest cirrostratus base 41 A halo around the moon means that cirrostratus clouds are present and the clouds overhead are high clouds 42 Which cloud type is composed of ice crystals and can cirrostratus cause a halo to form around the sun or moon 43 Which of the following associations is not correct cumulus congestus anviltop 44 Light or moderate but steady precipitation is most nimbostratus often associated with clouds 45 In middle latitudes which cloud will have the lowest stratocumulus 46 Which of the following cloud types would be found at cirrocumulus the highest elevation above the earth s surface 47 Which of the following pairs of cloud types could be altocumulus and cirrocumulus very similar in appearance 48 Which clouds often appear in parallel waves or altocumulus base bands 49 A mackerel sky describes what type of cloud cirrocumulus 50 When viewed from the surface the smallest cirrocumulus individual cloud elements puffs are observed with which cloud 51 Cirrus clouds are composed primarily of ice particles 52 Detached clouds of delicate and fibrous appearance cirrus clouds without shading usually white in color and sometimes of a silky appearance are 53 Suppose the sky is completely covered with a thin cirrostratus white layered type cloud You look at the ground and see that objects cast a distinct shadow From this you conclude that the cloud type must be 54 At middle latitudes the base of an altostratus or 6500 and 23000 feet altocumulus cloud would generally be found between 55 A middle cloud that sometimes forms in parallel altocumulus waves or bands is 56 A dim watery sun visible through a gray sheet like cloud layer is often a good indication of clouds altostratus 57 The name given to ragged looking clouds that rapidly drift with the wind beneath a rain producing cloud is scud 58 An anvil shaped top is most often associated with cumulonimbus 59 If you hold your hand at arm s length and cloud stratocumulus elements appear to be about the size of your fist the cloud type is probably 60 The name given to a towering cloud that has NOT cumulus congestus fully developed into a thunderstorm is 61 A low lumpy cloud layer that appears in rows patches or rounded masses would be classified stratocumulus 62 Hail is usually associated with what
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