Download (Concept Of Humidity In Meteorology Questions Flashcards) Flashcard

Choose a format below:

TEXT Format (.txt) MS-Excel Format (.xls)

Select delimiter » Comma Semicolon Tab New Line Custom

Preview »

Side A ------ Side B
Relative humidity in cities is usually _____ compared to rural areas.  ------ lower
What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size? ------ condenation is too slow
Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be... ------ about equal to the dew point
The _______ cloud may have an "anvil head" ------ cumulonimbus
A ________ consists of two compartments each capable of holding 0.025 cm of water. ------ tipping-bucket gauge
When warm moist air moves over a cold surface, _______ fog may result. ------ advection
Clouds, dew, and frost all form because air has become saturated. This condition of saturation is usually caused by... ------ the air being cooled
If ice crystals form in this cloud, they will experience the cloud environment as having a relative humidity of... ------ more than 100%
A halo around the Sun or Moon indicates the cloud _______ is present. ------ cirrostratus
The necessary conditions for hail formation include strong upward vertical motion and... ------ large numbers of supercooled droplets
Of the following cloud types, which is most likely to produce the most rain? ------ nimbostratus
A cloud type that develops as a consequence of local convection is... ------ cumulus
A wintertime form of precipitation that consists of small ice particles is called... ------ none of these
The most common way for air to be cooled in order that a cloud may form is by... ------ rising and expanding
Freezing rain (ice storm) or sleet occurs when... ------ upper air is warm and surface air is cold
Which type of cloud is most likely to form a halo around the Sun or Moon? ------ cirrostratus
This cloud sometimes produces mare's tails. ------ cirrus
This growth from cloud droplet to raindrop occurs mainly because of... ------ collision and coalescence
The intensity of rainfall can be calculated with data from a... ------ weighing gauge
The cloud form that is best described as sheets or layers that cover much or all of the sky is termed: ------ alto
Wind speeds in the city, compared to rural areas,  are... ------ about 25% less
Why are high altitude clouds always so thin? ------ very little water vapor is present
A cumulus cloud is recognized mainly by its... ------ obvious vertical dimension
Atmospheric electricity is believed to play an important role in... ------ collision-coalescence process
This fog results from adiabatic cooling ------ none of these (upslope)
The ______ may result in snow or rain. ------ Bergeon process
The word 'radiation' in the term radiation fog refers to... ------ radiant energy lost by the ground
Supercooled water is water which is... ------ still liquid at temperatures below 0degreeC
In order for water condensation to occur, ------ a and b
Clouds are classified and named according to their altitude and... ------ form or appearance
Clouds that form in air that is very stable will usually be... ------ stratus
Which one of the fogs listed below may be categorized as an evaporation fog? ------ steam fog
The conditions that persist along the West Coast of the US that are conducive to fog formation are, ------ moist air moving over a cold surface
Clouds and precipitation form in the air primarily due to... ------ air being cooled as it rises 
Which of the following is not generally true of urban climates? ------ higher relative humidity
One aspect of the _______ theory relies on the fact that different-sized cloud droplets fall at different speeds. ------ collision-coalescence process
Which of the following does not contribute to urban-induced precipitation increases?  ------ higher relative humidity in cities
Thunder and lightning are associated with the _______ cloud. ------ cumulonimbus
A _______ is a layer of dark gray clouds that produces precipitation. ------ nimbostratus
The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly inflenced by... ------ electrical charges on the droplets
Clouds which have extensive vertical dimensions are... ------  cumulus
The most common source of cloud condensation nuclei is... ------ combustion by-products (pollution)
Condensation nuclei may be formed from... ------ all of the above
The _______ makes use of a spring balance. ------ weighing gauge
A ________ magnifies rainfall ten times. ------ standard rain gauge
"Anvil head" is a term applied to: ------ cumulonimbus clouds
The most important process for cloud formation in the atmosphere is... ------ cooling by expansion of the air
This fog is found in valleys at night and in the early morning: ------ radiation fog
Cumulus clouds... ------ all of these
The water content or volume of a raindrop is approx. ____ times that of a typical cloud droplet. ------ 1 million
The cloud droplets in a cloud are formed by water vapor molecules and... ------ condensation nuclei
Dew is most likely to form on... ------ clear calm nights
Hail is most commonly associated with... ------ cumulonimbus clouds
The _______ cloud is confined to the middle height range. ------ altostratus
Hail suppression: ------ relies primarily on cloud seeding with silver iodine
Pollutants may: ------ all of the above
The important difference between liquid droplets and ice crystals in a supercooled cloud is that ice crystals... ------ grow much more rapidly
Cloud seeding is used: ------ in all of the ways listed above
Which of these is a mid-level cloud? ------ none of these
The process by which a cloud droplet first forms is ------ condensation
Fog is usually a result of an air having been... ------ either a) or c)
Why do clouds represent a source of heat for the atmosphere? ------ cloud formation releases latent heat to the air
This method of frost prevention relies heavily on the release of latent heat of fusion: ------ sprinklers
Which of these clouds is least likely to produce precipitation that reaches the ground? ------ cirrostratus
Cloud seeding experiments have yielded the result of... ------ all of the above
Freezing nuclei are part of the... ------ Bergeon process
Cloud seeding with silver iodine is based on the... ------ Bergeon process
On which day of the week would someone living in or downwind of a city expect the least precipitation ( on averagre)? ------ Sunday
The _______ is associated with supercooled clouds.  ------ Bergeon process

Side A ------ Side B
Relative humidity in cities is usually _____ compared to rural areas.  ------ lower
What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size? ------ condenation is too slow
Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be... ------ about equal to the dew point
The _______ cloud may have an "anvil head" ------ cumulonimbus
A ________ consists of two compartments each capable of holding 0.025 cm of water. ------ tipping-bucket gauge
When warm moist air moves over a cold surface, _______ fog may result. ------ advection
Clouds, dew, and frost all form because air has become saturated. This condition of saturation is usually caused by... ------ the air being cooled
If ice crystals form in this cloud, they will experience the cloud environment as having a relative humidity of... ------ more than 100%
A halo around the Sun or Moon indicates the cloud _______ is present. ------ cirrostratus
The necessary conditions for hail formation include strong upward vertical motion and... ------ large numbers of supercooled droplets
Of the following cloud types, which is most likely to produce the most rain? ------ nimbostratus
A cloud type that develops as a consequence of local convection is... ------ cumulus
A wintertime form of precipitation that consists of small ice particles is called... ------ none of these
The most common way for air to be cooled in order that a cloud may form is by... ------ rising and expanding
Freezing rain (ice storm) or sleet occurs when... ------ upper air is warm and surface air is cold
Which type of cloud is most likely to form a halo around the Sun or Moon? ------ cirrostratus
This cloud sometimes produces mare's tails. ------ cirrus
This growth from cloud droplet to raindrop occurs mainly because of... ------ collision and coalescence
The intensity of rainfall can be calculated with data from a... ------ weighing gauge
The cloud form that is best described as sheets or layers that cover much or all of the sky is termed: ------ alto
Wind speeds in the city, compared to rural areas,  are... ------ about 25% less
Why are high altitude clouds always so thin? ------ very little water vapor is present
A cumulus cloud is recognized mainly by its... ------ obvious vertical dimension
Atmospheric electricity is believed to play an important role in... ------ collision-coalescence process
This fog results from adiabatic cooling ------ none of these (upslope)
The ______ may result in snow or rain. ------ Bergeon process
The word 'radiation' in the term radiation fog refers to... ------ radiant energy lost by the ground
Supercooled water is water which is... ------ still liquid at temperatures below 0degreeC
In order for water condensation to occur, ------ a and b
Clouds are classified and named according to their altitude and... ------ form or appearance
Clouds that form in air that is very stable will usually be... ------ stratus
Which one of the fogs listed below may be categorized as an evaporation fog? ------ steam fog
The conditions that persist along the West Coast of the US that are conducive to fog formation are, ------ moist air moving over a cold surface
Clouds and precipitation form in the air primarily due to... ------ air being cooled as it rises 
Which of the following is not generally true of urban climates? ------ higher relative humidity
One aspect of the _______ theory relies on the fact that different-sized cloud droplets fall at different speeds. ------ collision-coalescence process
Which of the following does not contribute to urban-induced precipitation increases?  ------ higher relative humidity in cities
Thunder and lightning are associated with the _______ cloud. ------ cumulonimbus
A _______ is a layer of dark gray clouds that produces precipitation. ------ nimbostratus
The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly inflenced by... ------ electrical charges on the droplets
Clouds which have extensive vertical dimensions are... ------  cumulus
The most common source of cloud condensation nuclei is... ------ combustion by-products (pollution)
Condensation nuclei may be formed from... ------ all of the above
The _______ makes use of a spring balance. ------ weighing gauge
A ________ magnifies rainfall ten times. ------ standard rain gauge
"Anvil head" is a term applied to: ------ cumulonimbus clouds
The most important process for cloud formation in the atmosphere is... ------ cooling by expansion of the air
This fog is found in valleys at night and in the early morning: ------ radiation fog
Cumulus clouds... ------ all of these
The water content or volume of a raindrop is approx. ____ times that of a typical cloud droplet. ------ 1 million
The cloud droplets in a cloud are formed by water vapor molecules and... ------ condensation nuclei
Dew is most likely to form on... ------ clear calm nights
Hail is most commonly associated with... ------ cumulonimbus clouds
The _______ cloud is confined to the middle height range. ------ altostratus
Hail suppression: ------ relies primarily on cloud seeding with silver iodine
Pollutants may: ------ all of the above
The important difference between liquid droplets and ice crystals in a supercooled cloud is that ice crystals... ------ grow much more rapidly
Cloud seeding is used: ------ in all of the ways listed above
Which of these is a mid-level cloud? ------ none of these
The process by which a cloud droplet first forms is ------ condensation
Fog is usually a result of an air having been... ------ either a) or c)
Why do clouds represent a source of heat for the atmosphere? ------ cloud formation releases latent heat to the air
This method of frost prevention relies heavily on the release of latent heat of fusion: ------ sprinklers
Which of these clouds is least likely to produce precipitation that reaches the ground? ------ cirrostratus
Cloud seeding experiments have yielded the result of... ------ all of the above
Freezing nuclei are part of the... ------ Bergeon process
Cloud seeding with silver iodine is based on the... ------ Bergeon process
On which day of the week would someone living in or downwind of a city expect the least precipitation ( on averagre)? ------ Sunday
The _______ is associated with supercooled clouds.  ------ Bergeon process