3 Flashcards

1
Q

Because the temperature of the night air depends primarily on the length of the night, the moisture content of the air, cloudiness, and wind, one would expect the lowest temp to be found next to the ground on a __?

A

Clear, dry, calm night.

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2
Q

The most important reason why summers in the Southern Hemisphere are not warmer than summers in the northwest hemisphere is that:

A

80% and more of the Southern Hemisphere is covered with water

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3
Q

In a hilly region, the best place to plant crops that thrive in nighttime low temps is:

A

On the valley floor

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4
Q

In the northern hemisphere, which day has the most hours of daylight?

A

/summer solstice

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5
Q

When it is January and winter in the northern hemisphere, it is ____ and ____ in the Southern Hemisphere.

A

January,
Summer

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6
Q

At what time during a 24 hr day would radiation temperature inversion best be developed?

A

Near sunrise

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7
Q

At any given time, _____ of the earth is illuminated by the sun

A

One - half

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8
Q

On the summer solstice, the highest position of the noonday sun is located:

A

In the midlands of the northern hemisphere

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9
Q

During the afternoon, the smallest temperatures difference between surface air and the air several meters above occurs on a :

A

Cloudy, windy afternoon

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10
Q

Our seasons are caused by:

A

The angle at which sunlight reaches earth

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11
Q

Over earth as a whole, in which locations would one expect to observe the smallest variation in temperature from day to day and from month to month due to the contributing factors of latitude, elevation, relative humidity, and length of days and nights?

A

On a small island near the equator

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12
Q

Where the air is humid, haze and cloudiness lower the maximum temp by preventing some of the suns rays from reaching the ground. T or F?

A

True

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13
Q

Which of the following latitudes is farthest from earths axis?

A

0 degrees N

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14
Q

The daily (diurnal) range of temp is greatest next to the ground. T or f?

A

True

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15
Q

On a clear, calm night, particularly in high elevation desert locations such as winnemucca, Nevada, when the summer air is dry and thin, the ground and air above cool dramatically by which process?

A

Radiation

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16
Q

When in danger of a hard freeze, citrus farmers often spray a mist of water that will freeze and create a protective coating if ice over the fruit. T or F?

A

True

17
Q

Which latitude would experience the most hours of daylight on December 22nd?

A

60 degrees s

18
Q

Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temp reported in the news was only 35 degrees Fahrenheit. The most likely reason is?

A

Temperature readings are taken in instrument shelters more then 5 ft above the ground