0
The causality is the other way round: air spirals upwards and BECAUSE of that there is low pressure on the ground. The question should be WHY does the air rises upwards and WHY does it spiral?
The spiralling comes from the coriolis effect. The rising comes from differences in mass density (lower density rises above higher density). That density difference may come from temperature differences.
High pressure areas have the contrary effect: air falls down and causes high pressure on the ground.
Low pressure air spirals upwards due to the Coriolis effect, which is caused by the Earth's rotation. As air moves from high to low pressure areas, it veers to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, creating a spiraling motion. This is known as the geostrophic wind pattern.
Add your answer:
Earn +20 pts
Why is precipitation heavier in the presistent low-pressure zones of the world?
Persistent low-pressure zones can lead to uplift of warm, moist air, causing it to cool and condense, resulting in heavier precipitation. Additionally, the convergence of air towards low-pressure centers can enhance cloud formation and rainfall.
What are the characteristics of a low pressure system?
A low-pressure system typically brings unsettled weather with clouds, precipitation, and sometimes stormy conditions. Winds circulate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere around the center of the low-pressure system. Low-pressure systems are associated with rising air and can lead to cooler temperatures.
How do convection cells in earths atmosphere cause high-and low- pressure belts?
The convection cells radiate heat.
Is a tornado a violent windstorm that spirals around a rotating column of air of intense low pressure and moves in a narrow path over land?
Yes, a tornado is indeed a violent windstorm characterized by a rotating column of air with intense low pressure. It forms a narrow, rapidly spinning vortex that moves over land, causing significant destruction in its path.
Does wind occurs as air moves from a place of low air pressure to a place of high air pressure?
Winds occur as air moves from high pressure to low pressure.Wind occurs as air moves from a place of low air pressure to a place of high air pressure is a true statement.
How does air pressure change from high to low and from low to high?
Air pressure decreases from high to low as one moves upwards in the atmosphere due to a decrease in air density. Conversely, air pressure increases from low to high as one moves closer to the Earth's surface where more air molecules are compressed together, creating higher pressure.
Why is precipitation heavier in the presistent low-pressure zones of the world?
Persistent low-pressure zones can lead to uplift of warm, moist air, causing it to cool and condense, resulting in heavier precipitation. Additionally, the convergence of air towards low-pressure centers can enhance cloud formation and rainfall.
What happens when air rushes into a low pressure region in the northern hemisphere?
In the northern hemisphere, air rushes from higher pressure areas towards lower pressure areas due to the Coriolis effect and pressure gradient force. This movement creates winds that rotate counterclockwise around low pressure regions.
Describe the pressure flow and condensation level of tornado?
The pressure inside a tornado is lower than the surrounding air, causing a decrease in pressure. The condensation level is where the water vapor in the air cools and condenses to form a visible funnel cloud or tornado.
What is the difference between high pressure and low pressure?
about 40 lbs. Answer Improvement. Low pressure tires are used on farm equipment and vehicles like ATVs and the like. High pressure tire are used in industrial situations and autos and trucks. Basically because they are used on very hard or firm surfaces. Low pressure tires are used on soft and wet or marshy surfaces.
Does warm air and high pressure causes rising air?
No, warm air and high pressure typically create sinking air, as warm air is less dense than cooler air. Rising air is more commonly associated with areas of low pressure, where air is being drawn in and lifted upwards.
Why does a piece of paper blow upwards when you blow on the top?
When you blow on the top of a piece of paper, the air you blow creates a region of low pressure above the paper. This low-pressure area draws the paper upwards, causing it to rise. Additionally, the fast-moving air you blow creates momentum that lifts the paper.
What are the characteristics of a low pressure system?
A low-pressure system typically brings unsettled weather with clouds, precipitation, and sometimes stormy conditions. Winds circulate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere around the center of the low-pressure system. Low-pressure systems are associated with rising air and can lead to cooler temperatures.
How does a tornado get its speed?
Tornadoes have very low pressure at their centers, this draws air inward through the pressure gradient force. The air spirals inward and accelerates due to the conservation of angular momentum, reaching great speeds as it approaches and enters the tornado.
What direction do winds associated with a low-pressure system blow in the northern hemisphere?
In the northern hemisphere, winds associated with a low-pressure system blow counterclockwise around the center of the low-pressure system.
What does high pressure move towards?
Air always flows from High Pressure towards Low Pressure. Wind is caused by the pressure gradient difference. In a high pressure system, within the Northern Hemisphere, air flows clockwise, outwards and downwards; in a low pressure system (in the NH), air flows anti-clockwise, inwards and upwards.
Why does the air pressure go down when a tornado is near?
Air pressure drops near a tornado due to the strong updrafts within the storm. The low pressure in the center of the tornado causes air from the surroundings to be drawn in, leading to a drop in air pressure in the immediate vicinity of the tornado.
