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General Knowledge
Verbal Reasoning
Computer Science
Interview
Take Free Test
Climatology Questions
In climatology and meteorology, how is atmospheric pressure formally defined at a point in the atmosphere?
In climatology, why is mean sea level commonly used as a standard reference when expressing atmospheric pressure values?
On a synoptic weather map, what do isobars represent?
Which statement best describes the standard atmospheric pressure at mean sea level under average conditions?
How does atmospheric pressure generally change with increasing altitude in the troposphere?
If pressure decreases by 10 millibars for every 10 metres of ascent in the lower atmosphere, by how much would pressure change on ascending 200 metres from sea level?
In climatology, which reference level is commonly treated as the standard zero for altitude measurements in many atmospheric contexts?
At the Earth's surface, winds generally move in response to which pressure-direction rule?
Why are pressure values often adjusted to a common reference level on isobar maps used for large-area comparison?
Why is the Northern Hemisphere generally colder during January compared with other times of the year?
In climatology, what is the general relationship between atmospheric pressure and altitude in the troposphere?
In a strongly heated area near the Earth's surface, what usually happens to the surface air pressure, and why does this change occur?
When air over a region cools, becomes denser, and descends toward the surface, which type of surface pressure condition is most likely to form, and why?
Consider the following statements about a heated and a cooled column of air over adjacent regions: 1. Over a strongly heated surface, surface air pressure tends to fall and a low-pressure area develops. 2. Over a strongly cooled surface, surface air pressure tends to rise and a high-pressure area develops. 3. Surface winds generally blow from the nearby high-pressure area toward the low-pressure area. Which of the above statements are correct?
Why do surface winds blow from a high-pressure area toward a nearby low-pressure area in the lower atmosphere?
In the context of atmospheric circulation, consider the following statements about heating, density and vertical movement of air parcels: 1. When an air parcel near the surface is heated, its density decreases and it tends to rise. 2. When an air parcel aloft is cooled, it becomes denser and tends to sink. 3. Rising warm air is commonly associated with convergence at the surface and divergence aloft. Which of the above statements are correct?
With reference to air movement between pressure areas, consider the following statements: 1. Air tends to move horizontally from regions of higher pressure toward regions of lower pressure. 2. The greater the pressure gradient between two places, the stronger the resulting wind speed tends to be. 3. If the pressure at two locations is the same, there is no horizontal pressure gradient force between them. Which of the above statements are correct?
Regarding the seasonal distribution of surface pressure over Northern Hemisphere land and oceans, consider the following statements: 1. During the Northern Hemisphere winter, cold continental interiors tend to develop high-pressure centers, while adjacent oceans often have relatively lower pressure. 2. During the Northern Hemisphere summer, heated continental interiors tend to develop low-pressure centers, while surrounding oceans often maintain comparatively higher pressure. 3. These seasonal land–sea pressure contrasts help drive large scale seasonal wind systems such as the Asian monsoon. Which of the above statements are correct?
On a synoptic weather map, what does an isobar represent and how is it defined?
In synoptic weather charts, what does it mean when pressure values are shown as reduced to sea level, and why is this done?
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