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wind blows in the northern hemisphere

wind blows in the northern hemisphere

wind blows in the northen hemisphere

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wind blows in the northern hemisphere
wind blows in the northern hemisphere

 

Wind The energy that drives wind originates with the sun, which heats the Earth unevenly, creating warm spots and cool spots. Two simple examples of this are sea breezes and land breezes.

 

Sea breezes

 

occur when inland areas heat up on sunny afternoons. That warms the air, causing it to rise. Cooler air rushes in from the ocean to take its place and presto, a wind is born. By late afternoon, a strong breeze can be blowing dozens of miles inland. A similar effect can occur near big lakes, where the wind is referred to as a lake breeze.

Land breezes

 

come at night, when inland temperatures drop enough that the ocean is now warmer than the land, reversing the effect.

Global Patterns

Similar forces produce global wind patterns that affect climate. The tropics, for example, are always hot. Air rises here and spreads north and south, high above the land. Lower down, air is pulled in from the north and south. The coriolis effect, an offshoot of the Earth‘s rotation, makes moving air masses curve, so that the winds converging on the Equator come from the northeast in the Northern Hemisphere and the southeast in the Southern Hemisphere. These winds are called the trade winds.

Farther from the Equator, the surface winds try to blow toward the Poles, but the coriolis effect bends them the opposite direction, creating westerlies. This is why so many weather events in the United States come from the west.

At latitudes higher than about 60°, cold surface winds try to blow toward the Equator, but, like the trade winds, they are bent by the coriolis effect, producing polar easterlies.

Highs and Lows

Within the mid-latitudes, weather effects create high- and low-pressure zones, called highs and lows, respectively. Air moves from areas of high pressure to low pressure. As it moves, however, it spirals due to the coriolis effect, producing the shifting winds we experience from day to day, as highs and lows drift under the influence of the prevailing westerlies.

Which wind blows north east in the northern hemisphere?

A. Westerlies
B. Trade winds
C. Polar winds
D. Seasonal winds

Answer
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wind blows in the northern hemisphere
wind blows in the northern hemisphere

Hint: In the Northern Hemisphere, air is blown in an anticlockwise direction around low pressure, and in a clockwise direction around high pressure. Wind blows just above the equator, winds blow from east to west. With them the winds draw surface water, producing currents that drift westwards due to the Coriolis effect.

Complete Answer:

In the northern hemisphere, as the winds blow towards the equator, the rotation of the planet shifts to the west. These winds are called trade winds. Such winds blow at a latitude of 0 degrees to 30 degrees, which is very close to the equator. That’s because of the Coriolis effect.
Now lets see all the options :
Westerlies : The western, anti-trade or prevailing western winds prevail from the west to the east in the middle latitudes between 30 and 60 degrees latitude. They emerge from the high-pressure areas in the latitudes of the horse and the inclination towards the poles, and they execute extratropical cyclones in this general manner. Thus this is the wrong option(A).

Trade winds : Trade winds or easterlies are constant east-to-west prevailing winds that flow in the equatorial region of the Earth (between 30°N and S). Trade winds blow primarily from the north-east of the Northern Hemisphere and from the south-east of the Southern Hemisphere, strengthening during the winter and when the Arctic oscillation is in its warm phase. Thus this is the right option(B).

Polar winds : A polar wind or plasma fountain is a permanent plasma outflow from the polar regions of the magnetosphere of the Planet, induced by the interaction between the solar wind and the atmosphere of the Earth. Thus this is the wrong option(C).

Season winds : With the start of various seasons, the winds shift their course. These are called Seasonal Winds. In low-latitude climates, a monsoon is a form of seasonal wind which changes direction between winter and summer seasonally. Thus this is the wrong option(D).

 

Hence the correct answer is option B.

 

Note:
– The Northern Hemisphere has more land than the Southern Hemisphere. Believe it or not, the Northern Hemisphere is about 68 percent of all the land on Earth!
– The pressure and temperature variations between the two sides of the Pacific are caused by trade winds.
– The trade winds were named after the crews of sailing ships that relied on the winds during the western ocean crossings.

The rotation of the Earth forces winds into clockwise and counterclockwise motions, depending on air pressure.

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