What are the geographical processes that cause storms
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Hurricanes, Tropical Cyclones, and Typhoons The winds spin counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. The physical processes that power a hurricane. Hurricanes/tropical cyclones cause torrential rain. As a tropical storm approaches land, it also pushes a wall of water called a storm surge onto the shore.Flooding results, which can go inland for several miles.urricanes/tropical cyclones cause torrential rain. As a tropical storm approaches land, it also pushes a wall of water called a storm surge onto the shore. Flooding results, which can go inland for several miles.
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- Many of the hurricanes and tropical storms in this area move around the western periphery of the Bermuda high taking them east of the U.S. east coast. Most U.S. landfalling hurricanes occur when the Bermuda high is stronger allowing for the hurricanes to take a farther west track.ome hurricane formation basins are much more active than others. Some tropical cyclone basins also have conditions in which tropical cyclones may occur over longer periods during the year. Most tropical cyclones form from a disturbance in the monsoon trough.
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- Hurricanes lose strength as they move over land. Coastal regions are most at danger from hurricanes. As well as violent winds and heavy rain, hurricanes can also create tornadoes, high waves and widespread flooding. Hurricanes are regions of low atmospheric pressure (also known as a depression).
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- Winter storms derive their energy from the clash of two air masses of different temperatures and moisture levels. Winter storms usually form when an air mass of cold, dry, Canadian air moves south and interacts with a warm, moist air mass moving north from the Gulf of Mexico. The point where these two air masses meet is called a front.
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- Weathering is the breaking up of surfaces by forces such as the air and water of the atmosphere. Weathering processes cause the breakup of rock materials in the Earth's uppermost layer. Some of these processes are mechanical, for example the expansion and contraction caused by sudden, large changes in temperature, the expansive force of water freezing in cracks, the splitting caused by plant roots, and the impact of running water.
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Mesoscale convective system For this reason, coastal regions are particularly vulnerable to damage from a tropical cyclone as compared to inland regions. Heavy rains, however, can cause significant flooding inland, and storm surges can produce extensive coastal flooding up to 40 kilometres (25 mi) from the coastline.
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- Story Highlights. Scientific research indicates that climate change will cause hurricanes and tropical storms to become more intense — lasting longer, unleashing stronger winds, and causing more damage to coastal ecosystems and communities.s sea surface temperatures rise, developing storms will contain more energy. At the same time, other factors such as rising sea levels, disappearing wetlands, and increased coastal development threaten to intensify the damage caused by hurricanes and tropical storms.
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- Weathering & Erosion - Introduction to Geomorphological Processes. Geomorphology is the study of the nature and origin of landforms, particularly of the formative processes of weathering and erosion that occur in the atmosphere and hydrosphere. These processes continually shape the Earth's surface, and generate the sediments that circulate in the Rock Cycle.
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Weathering Two important classifications of weathering processes exist – physical and chemical weathering; each sometimes involves a biological component. Mechanical or physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions, such as heat, water, ice and pressure.n pressure release, also known as unloading, overlying materials (not necessarily rocks) are removed (by erosion, or other processes), which causes underlying rocks to expand and fracture parallel to the surface. Intrusive igneous rocks (e.g. granite) are formed deep beneath the Earth's surface.
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Geology: Facts Weathering is the process that breaks rocks down into smaller pieces. Weathering can be caused by: wind, rain, ice, running water, plant roots, chemicals, freezing and thawing. Erosion is the movement of rock pieces from place to place. Erosion can be caused by: wind, rain, running water, waves, gravity, and moving ice.
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- Intense low pressure systems generate strong winds because of tight pressure gradients surrounding the centre of the system. Intense low pressure systems and their associated cold fronts can generate strong winds and heavy rain over large areas, causing local flash flooding and riverine flooding. The main wind damage from these low pressure systems is often in coastal areas and adjacent mountain ranges. The systems can also cause coastal erosion through the combined effect of large waves and an increase in sea level known as storm surge. Severe winds can also contribute to extreme bushfire activity.
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Precipitation types Orographic or relief rainfall is caused when masses of air pushed by wind are forced up the side of elevated land formations, such as large mountains. The lift of the air up the side of the mountain results in adiabatic cooling, and ultimately condensation and precipitation.n meteorology, precipitation types can include the character or phase of the precipitation which is falling to ground level. There are three distinct ways that precipitation can occur. Convective precipitation is generally more intense, and of shorter duration, than stratiform precipitation.
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- Hurricanes (Tropical Cyclones). Tropical Cyclones are massive tropical cyclonic storm systems with winds exceeding 119 km/hr (74 miles/hour). The same phenomena is given different names in different parts of the world. In the Atlantic Ocean and eastern Pacific ocean they are called hurricanes.In the western Pacific they are called typhoons, and in the southern hemisphere they are called cyclones. But, no matter where they occur they represent the same process.n the Atlantic Ocean and eastern Pacific ocean they are called hurricanes. In the western Pacific they are called typhoons, and in the southern hemisphere they are called cyclones. But, no matter where they occur they represent the same process.
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How Do Winter Storms Form, and Where? How do winter storms form? Winter storms derive their energy from the clash of two air masses of different temperatures and moisture levels. Winter storms usually form when an air mass of cold, dry, Canadian air moves south and interacts with a warm, moist air mass moving north from the Gulf of Mexico. The point where these two air masses meet is called a front.
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- storms occur when 2 different masses of air meet. For example cold dry air form the north may be pushed southward. when these 2 air masses meet they push against each othe … r On the Wallaby
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- Seasonal shifts in the location of the ITCZ drastically affects rainfall in many equatorial nations, resulting in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. Longer term changes in the ITCZ can result in severe droughts or flooding in nearby areas. This image is a combination of cloud data from NOAAs newest Geostationary Operational Environmental Satellite (GOES-11) and color land cover classification data.
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- Effects of drought on wind erosion. Wind erosion is a natural process that commonly occurs in deserts and on coastal sand dunes and beaches. During drought, it can also occur in agricultural regions where vegetation cover is reduced. If the climate becomes drier or windier, then wind erosion is likely to increase. Climate change forecasts suggest that wind erosion will increase over the next 30 years due to more droughts and more variable climate.
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- and may not flow at all for many years.  those where wind is the main agent of erosion. Coastal landscapes: An environment in which water is the main geomorphic agent. Water, in the. form of waves, can either gently lap or violently crash against the coastline. Wind can also be a.geomorphic agent in this environment.nd may not flow at all for many years.  those where wind is the main agent of erosion. Coastal landscapes: An environment in which water is the main geomorphic agent. Water, in the. form of waves, can either gently lap or violently crash against the coastline. Wind can also be a.
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Aeolian processes Although water is a much more powerful eroding force than wind, aeolian processes are important in arid environments such as deserts. The term is derived from the name of the Greek god Aeolus, the keeper of the winds.
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Play Whirlwind Disaster! Hurricanes are the most awesome, violent storms on Earth. They form near the equator over warm ocean waters. Actually, the term hurricane is used only for the large storms that form over the Atlantic Ocean or eastern Pacific Ocean.The generic, scientific term for these storms, wherever they occur, is tropical cyclone.hey form near the equator over warm ocean waters. Actually, the term hurricane is used only for the large storms that form over the Atlantic Ocean or eastern Pacific Ocean. The generic, scientific term for these storms, wherever they occur, is tropical cyclone.
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Earth Science Chapter 9 Describe ways in which moving water can carve a landscape. Runoff moving downslope can carve chanels. A stream carrying particles causes rubing and weathering also known as abrasion. A flood can deposit soils in the floodplane, changing the landscape.akes form in a variety of ways when a natural depression fills with water. The lake must have a source of water that is greater than the outflow and evaporation. It must be on earth that does not allow too much water to infiltrate.
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GEOGRAPHICAL PROCESSES RESPONSIBLE FOR CAUSING FLOODS 1 Storm surges that are caused by a tropical or extratropical cyclone are included in this category of floods. 2  Coastal floods are caused by severe sea storms, or at the hands of another hazard such as a tsunami or a hurricane.3  Storm surges, as mentioned before, are also included in coastal floods. Coastal floods are caused by severe sea storms, or at the hands of another hazard such as a tsunami or a hurricane. 2  Storm surges, as mentioned before, are also included in coastal floods.
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Where do cyclones occur? Best Answer: Cyclones are huge revolving storms caused by winds blowing around a central area of low atmospheric pressure. In the northern hemisphere, cyclones are called hurricanes or typhoons and their winds blow in an anti-clockwise circle.In the southern hemisphere, these tropical storms are known as cyclones, whose winds blow in a clockwise circle.s the cyclone builds up it begins to move. It is sustained by a steady flow of warm, moist air. The strongest winds and heaviest rains are found in the towering clouds which merge into a wall about 20-30 km from the storm's centre.
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- Transportation is the movement of material in the sea and along the coast by waves. The movement of material along the coast is called longshore drift. Longshore Drift. Longshore drift is the movement of material along the shore by wave action. Longshore drift happens when waves moves towards the coast at an angle.here are four main processes which cause coastal erosion. These are corrasion/abrasion, hydraulic action, attrition and corrosion/solution. Corrasion/abrasion is when waves pick up beach material (e.g. pebbles) and hurl them at the base of a cliff. When waves hit the base of a cliff air is compressed into cracks.
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- These forces also move bits of rock and earth to new places. This movement changes the shape of the land. These processes are called erosion. The process by which soil and rock is removed from one area of the Earth through natural causes such as wind, water, and ice and transported elsewhere is called erosion. In the broadest sense of the word, erosion means the general wearing down and molding of all landforms on the Earth’s surface.
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Unit 2 Section C - Causes and effects of tropical storms and responses to them There are several stages in the formation of a tropical storm. These storms occur over water in areas where the sea surface temperature is at least 27 degrees. Essentially, this means that they form between the Tropic of Cancer and the Tropic of Capricorn (hence the name 'tropical' storm).They rarely occur within 5 degrees either side of the equator because the Coriolis force is too weak here. Tropical cyclones use warm, moist air as fuel.e have already seen that the effects of earthquakes and volcanoes can be classified into primary and secondary effects. The same is true of the effects of tropical storms. Primary effects are those that result directly from the event itself. Secondary effects are those that result from the primary effects.