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New York State Earth Science August 2008 - Question 08 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 1 – temperature of the air above the landmasses is greater

The sea and land breeze is typically found along coastlines adjacent to large bodies of water and results from differences between the heating or cooling of the water and the adjacent land. Water has a higher heat capacity than the materials on the land, and this means that solar radiation heats the land more than the water. As a result, the land transfers more heat to its overlying air mass and thus induce a circulation cell with surface winds moving from the water toward the land. At night, the land cools more rapidly than the water. Thus, the cooler landmass causes a circulation cell with air movement opposite to that during the day. This air flow from land to water is a land breeze

Hence, options 2, 3 and 4 are incorrect.
Last Updated on Wednesday, 12 August 2009 12:08
 
New York State Earth Science August 2008 - Question 11 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 3

The dew point is the temperature to which a given parcel of air must be cooled, at constant barometric pressure, for water vapor to condense into water. The condensed water is called dew. The dew point is a saturation point. Hence, the difference in temperature of the dry bulb and the wet bulb will give the dew point temperature.

T = 22o C = Temperature of dry bulb

Tw = 14o C = Temperature of wet bulb

Td = Dew point = T – Tw = 8o C

Relative Humidity, RH = 100 - 5 * (T - Td) = 100 - 5 * (14) = 30% (online calculator gives 40.63%)

Last Updated on Wednesday, 12 August 2009 12:09
 
New York State Earth Science August 2008 - Question 12 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 4

Because fronts are based on temperature, pressure, and humidity, since the low pressure is in Buffalo, that front in Detroit will move toward Buffalo eastward. The reason is because high pressure tries to accumulate in to lower pressure areas.

High pressure systems are associated with sunny and clear weather. Low pressure systems are associated with storms and colder weather.
Last Updated on Wednesday, 12 August 2009 16:48
 
New York State Earth Science August 2008 - Question 13 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 3

A weather front is defined as the boundary between two air masses of different temperatures and densities.   When two air masses meet, the warmer air rises above the cooler denser air.  The transition region between the two air masses is known as a front.

Weather fronts generally travel from west to east, unless affected by geographic features such as mountains and large bodies of water, particularly if they form in the lower levels of the atmosphere. Fronts are always accompanied by clouds, rain, changes in wind speed and direction, atmospheric pressure and the moisture content of the air.

Last Updated on Wednesday, 12 August 2009 16:50
 
New York State Earth Science August 2008 - Question 14 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 3

Air rises near low-pressure areas. As air rises, it cools and often condenses into clouds and precipitation. A steady rain or snow can fall to the north of the warm front as warm moist air from the south rises up and over the cold air ahead of the warm front. Showers and thunderstorms often fire up ahead of the cold front in the warm, unstable air. Usually, showers and thunderstorms ahead of the cold front are much shorter in duration than the precipitation ahead of the warm front. Due to the counterclockwise circulation around low-pressure areas in the northern hemisphere, cold air will likely be found to the north and west of low-pressure areas while warm air is most often found to the south and east of low-pressure areas.

Last Updated on Wednesday, 12 August 2009 16:52
 
New York State Earth Science August 2008 - Question 16 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 3

B is in the direction downwind from the point of reference side of the mountain where drier air sinks compresses and warms up creating desert-like regions. Hence, the temperature and humidity at point B is usually warmer and drier.

Last Updated on Wednesday, 12 August 2009 12:11
 
New York State Earth Science August 2008 - Question 59 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: 1009.6mb

Standard air pressure is 1013.25mb. The air pressure at station A is 1009.6mb as depicted in the diagram.
Last Updated on Wednesday, 12 August 2009 16:41
 
New York State Earth Science August 2008 - Question 60 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: maritime tropical (mT or MT)

Maritime tropical is the symbol used to represent air mass.

Last Updated on Thursday, 13 August 2009 13:16
 
New York State Earth Science August 2008 - Question 61 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Rain

The weather condition at station C is rainy as per the diagram represented by a dark circle with high temperature and pressure.


Last Updated on Wednesday, 12 August 2009 16:44
 
New York State Earth Science August 2008 - Question 66 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer:

Because of the prevailing winds or the planetary winds, being in that direction, moved them towards the northeast.

Last Updated on Wednesday, 12 August 2009 16:58
 
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