30 Mar

the primary force which causes all winds is:

Damage to homes, businesses, schools, hospitals, roads, and transportation systems can devastate communities and entire regions.Hurricane Katrina, which blew through the Gulf of Mexico and into the southern U.S. in 2005, is the most expensive hurricane in recorded history. As wind approaches a mountain, it brings moisture with it, which condenses as rain and other precipitation before coming over the crest of the mountain. Figure 27. )Although monsoons impact tropical as well as equatorial regions, the wind itself is created as the ITCZ moves slightly away from the Equator each season. . What best explains the high wind speeds found immediately around the low pressure center (L)? Development is also growing quickly in France and China.Industry experts predict that if this pace of growth continues, by 2050, one-third of the worlds electricity needs could be met by wind. KamikazeLike the Protestant Wind, kamikaze were specific historical winds. This simplified National Weather Service (NWS) map shows an intense event which brought subfreezing temperatures as far south as the Gulf of. Intro to Atmosphere exam 2 Flashcards | Quizlet Geology chapter 6 Flashcards | Quizlet Solved What causes air movements? What is the primary force - Chegg What causes ocean currents? If an object is at rest, can we conclude that no external forces are acting on it? The air sinking towards the surface of the anticyclone not only causes the high pressure but also is associated with general subsidence, which prevents rising air and adiabatic cooling. wind direction What can be said of the airplane? primary force that causes all winds. C) air compression. divergence at the surface Figure 25. The overall strength of a circulation system is determined by: air would move directly from high to low pressure. A) Northern Hemisphere deflection to the right of the wind's original direction ________ are elongated high pressure areas extending towards the poles and are associated with ________. Ocean Currents and Climate - University of Southern California B) false, but only near the poles (t/f), The prevailing wind is defined as the instantaneous direction of the wind at the moment of observation. It probably has to do with the combination of "the conservation of angular momentum" and centrifugal force. Coriolis 2. Which of the following is not a mechanism to lift air to cause condensation, cloud formation, and potentially storms: a. colliding air masses - fronts b. orographic lifting c. convection d. Course Hero is not sponsored or endorsed by any college or university. Rising air undergoes adiabatic cooling, which assists in the formation of clouds. T/F:The sea breeze is a simple thermal circulation that does not involve a pressure gradient. Any interactives on this page can only be played while you are visiting our website. Which type of meteorological instrument is used to collect the necessary data for the production of upper-level weather charts? It can dry your clothes in summer and chill you to the bone in winter. The best explanation for the cause of atmospheric pressure is: The National Weather Service measures air pressure in the unit of a millibar, which is equivalent to: If the National Weather Service converted to the metric system, they would most likely report air pressure in which units? Cloud development is stifled and skies are usually clear. The primary force which causes all winds is a. inertia force. Each of these wind belts represents a "cell" that circulates air through the atmosphere from the surface to high altitudes and back again. High winds are caused when air moves between areas with large differences in air pressure. Because of this, we get pockets of warm air and cold air. Meteorologists convert all atmospheric pressure data to the equivalent sea-level air pressure in order to: If you want to locate the centers of high and low pressure systems, you will need a map that has: A cyclone is generally defined by meteorologists as: in the opposite direction of Earth's rotation. However, the most powerful tornadoes can have wind speeds of more than 482 kph (300 mph) and be more than 3 kilometers (2 miles) across. Module 1: Freshwater Resources - A Global Perspective, Repository of Open and Affordable Materials, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Areas where prevailing winds meet are called convergence zones. The primary force which causes all winds is: air would move directly from high to low pressure. T/F: If pressure gradient was the only force acting on the air, it would move in a curved path. Germany has the most installed wind energy capacity, followed by Spain, the United States, India, and Denmark. That rush of air is the wind we experience. They emanate from the polar highs, areas of high pressure around the North and South Poles. Atmospheric Forces - Mesonet (t/f), Low air pressure zones are associated with cloudy skies and stormy weather. What Causes Wind? - Universe Today (In the Southern Hemisphere, low-pressure systems will be on your right. If air pressure is reduced by one-half for every five-kilometer increase in altitude, what would be the air pressure at a height of 25 kilometers as a fraction of sea-level air pressure? It is strong enough to carry sailing ships across the ocean and rip huge trees from the ground. In Aztec mythology, the four wind gods were Mictlanpachecatl (north wind), Tlalocayotl (east wind), Vitztlampaehecatl (south wind), and Cihuatecayotl (west wind).Other mythologies recognize one supreme god of the wind: Enlil of Sumeria, Amun in ancient Egypt, Fujin in Japan's Shinto culture, Fei Lan of ancient China, and Vayu, the Hindu god of wind. T/F:The main cause of the sea breeze is the unequal heating of land and water. Experts are tested by Chegg as specialists in their subject area. The official name for kamikaze strategy is tokktai. Spanish, Portuguese, and British ships were quick, relatively easy to maneuver, and their large, complex series of sails exploited trade winds and southern westerlies to travel across the ocean. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource. Please send comments or suggestions on accessibility to the site editor. C) Low wind speeds strongest deflection But, because it does rotate, the rotation of the Earth leads to the Coriolis effect. Any two: elevation, temperature, latitude. T/F:Theprevailing windis defined as the instantaneous direction of the wind at the moment of observation. Waves are formed by the wind blowing across the surface of the water. Which of the following would involve the greatest change in atmospheric pressure? This is a high-pressure system. Expert Answer. (t/f). T/F:The Coriolis effect is strongest at the equator and diminishes in strength poleward. How does friction act to change the direction of the wind near the earth's surface? Watch this video to learn about wind! no cloud development, you would expect vertical airflow in an anti cyclone to result in inertia force. This illustrates the fact that: friction is present only close to the ground. The famous summer monsoon, on the other hand, develops over the Indian Ocean, absorbing tremendous amounts of moisture. We review their content and use your feedback to keep the quality high. Ch 6 PG Flashcards by paris reaves | Brainscape If you want to locate the centers of high and low pressure systems, you will need a map that has: A cyclone is generally defined by meterologists as: The addition of water vapor will cause the density of the air to. More than 147 centimeters (58 inches) of snow fell across the region, causing freezing temperatures and massive flooding as the snow melted. (t/f), Anticyclones characteristically have winds blowing toward their center. And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. In nature, regions of excess move toward regions of deficit. Currents are cohesive streams of seawater that circulate through the ocean. Geostrophic Wind Causes & Coriolis Effect - Study.com T/F:Winds flow cyclonically around all areas of low pressure. Note particularly the dry belts near 30 degrees North and South. Without going into detail as to why rotation creates this apparent force, the Coriolis effect causes winds (and all moving objects) to be deflected: The Coriolis effect causes winds to deflect as they travel within circulation cells and results in the two large hypothetical Hadley cells breaking into six smaller cells, which looks something like the diagram below (and the first figure in this series). In fact, the low-pressure doldrums are created as the sun heats the equatorial region and causes air masses to rise and travel north and south. The Gulf Stream brings warm water from the Gulf of Mexico up the East Coast of North America and across the Atlantic to Northern Europe. It does not have much substanceyou cannot see it or hold itbut you can feel its force. The Coriolis force applies to movement on rotating objects. (t/f), The sea breeze is a simple thermal circulation that does not involve a pressure gradient. Coriolis: alteration of wind direction caused by the rotation of the Earth. The labeled lines on the map are called ________ and they represent lines of equal ________. The primary force which causes all winds is a) Coriolis effect b) geostrophic force c) pressure gradient force d) centrifugal force e) inertia force pressure gradient force The geostrophic wind describes a situation where the air moves a) upward b) very slowly c) very fast d) parallel to the isobars e) from pole to equator parallel to the isobars Monsoons are part of the climate of Australia, Southeast Asia, and in the southwestern region of North America.The air over land is heated and cooled more quickly than the air over the ocean. its dense core, the coriolis effect influences the wind by Wind is caused by differences of pressure in the Earth's atmosphere. The Coriolis force is perpendicular to the object's axis. When gases warm up, the atoms and molecules move faster, spread out, and rise. Friction reduces the speed so Coriolis is weakened. The eye is surrounded by a violent circular eye wall. This is where the storms strongest winds and rain are.Hurricane Ethel, the strongest hurricane in recorded history, roared across the Gulf of Mexico in September 1960. Air from a high pressure area will move towards an area of low pressure. The Coriolis effect, also known as the Coriolis force, is the outcome of the earth's rotation. The Coriolis Effect: Earth's Rotation and Its Effect on Weather In areas of high pressure, the gases in the air are more crowded. Strong headwinds can cause flight delays.HurricaneA hurricane is a giant, spiraling tropical storm that can pack wind speeds of over 257 kph (160 mph) and unleash more than 9 trillion liters (2.4 trillion gallons) of rain. . )Wind ZonesThe Earth contains five major wind zones: polar easterlies, westerlies, horse latitudes, trade winds, and the doldrums.Polar EasterliesPolar easterlies are dry, cold prevailing winds that blow from the east. They can help you get to your destination more quickly. When people get onto a bus, do they all sit on the same side of the bus first? T/F:Cyclones are characterized by converging surface winds and rising air. 78 The primary force which causes all winds is A inertia ANSWER: Most of the water on Earth is stored ___. The Coriolis effect occurs because of this characteristic of the earth: A plane takes off from City A headed for City B, located directly to the north. The main cause of wind is a little surprising. in the ocean as salt water in the atmosphere as water vapor, A surface weather map for 7 a.m. EST, December 22, 1989. What statement can you make about the weather Albany is likely to experience soon? Tornadoes can occur individually or in multiples, as two spinning vortexes of air rotating around each other. Wind is the name for this occurrence. It takes satellite imagery to see atmospheric motion and improve our ability to forecast weather. Do strangers sit next to each other when there are plenty of open seats? (t/f), If you're cooking pasta for your big romantic date, you'd better allow a few extra minutes for it to cook once it comes to a boil if you're at a high altitude. T/F:The speed of the wind at a place is primarily determined by the barometric pressure at that place. The pressure gradient force is directed from higher to lower pressure: lines connecting points of equal air pressure. In addition to tropical depressions and tropical storms, there are five categories of hurricanes. . (t/f), Air pressure is exerted in all directions. The primary force which causes ALL winds is: Neglecting friction, the speed and direction of the horizontal wind are determined by: The pressure gradient force is directed from higher to lower pressure: change in pressure along a horizontal surface, lines connecting points of equal air pressure. Their empires in Africa, eastern Asia, and the "New World" of North and South America blossomed in the 16th-19th centuries. Age of SailThe ability of ships to sail with powerful trade winds helped determine the political and engineering history of the Age of Exploration, sometimes nicknamed the Age of Sail. This force only occurs when there is a difference in air pressure across the surface of the earth. D2=Asin(kx+t)D_2=A \sin (k x+\omega t)D2=Asin(kx+t), When a hurricane reaches land, it often produces waves that can reach 6 meters (20 feet) high and be pushed by high winds 161 kilometers (100 miles) inland. The westerlies of the Roaring Forties were very important to sailors during the Age of Exploration, when explorers and traders from Europe and western Asia used the strong winds to reach the spice markets of Southeast Asia and Australia.Westerlies have an enormous impact on ocean currents, especially in the Southern Hemisphere. The overall strength of a circulation system is determined by: air would move directly from high to low pressure. (t/f), The speed of the wind at a place is primarily determined by the barometric pressure at that place. Winds can stay above hurricane strength well inland. Heavy rains contribute to floods and landslides, which may occur many kilometers inland. (t/f), A southwest wind blows toward the northeast. As the dense, moist winds of the storm encounter the drier winds of the coast, the storm can increase in intensity.Strong trade winds are associated with a lack of precipitation, while weak trade winds carry rainfall far inland. The Earth spins on its axis from west to east. Without going into detail as to why rotation creates this apparent force, the Coriolis effect causes winds (and all moving objects) to be deflected: do not influence surface weather, in the northern hemisphere, cyclonic winds flow: Subway StormThe Great Blizzard of 1888 shut down roads and rails along the East Coast of the United States. (t/f), An elongated region of low pressure is called a ridge. D) wind force. Britain had just become a Protestant nation. The tornado thins out into the rope-like stage and dissipates a few minutes later.Most tornadoes have wind speeds of less than 177 kph (110 mph), and are about 76 meters (250 feet) across. In the upper atmosphere, there is almost no friction, which allows for greater wind speed. Secondary Forces- -influence where the currents flow 1. Damage to buildings, vehicles, roads, and shipping facilities is estimated at about $133.8 billion (adjusted for inflation). Like Hurricane Katrina, the Bhola Cyclone was a Category 3 storm. T/F:The mercury barometer is larger and less portable than an aneroid barometer. Riding with jet streams saves time and fuel. The islands of the Philippines, China, Vietnam, and Japan are the most affected. Horizontal variations in air pressure cause a force which makes the wind blow. List two corrections that are commonly made for a mercurial barometer reading. are not influenced. If the winds are in front of the plane, pushing it back, they are called headwinds. It tracks clouds, temperature changes, flows of water, fire, smoke, and wind. When representing wind direction numerically, winds from the north are associated with: Of the various elements of weather and climate, changes in air pressure are probably the most easily perceived by people. Why are clouds and precipitation associated with surface low pressure systems? A gradient of pressure (high to low) is formed that causes air to flow away from the high and towards the low pressure at the surface. NWS JetStream - Origin of Wind - National Weather Service