the primary force which causes all winds is:

________ are elongated high pressure areas extending towards the poles and are associated with ________. But, because it does rotate, the rotation of the Earth leads to the Coriolis effect. Want to know more about wind? (t/f), An isobar is a line connecting points of equal humidity. Winds of a Category 5 blow at 252 kph (157 mph).Hurricanes spin around a low-pressure (warm) center known as the eye. Sinking air inside the eye makes it very calm. Explain. The strongest winds in the solar system, however, belong to its outermost planet, Neptune. both wind speed and latitude, true or false: is stronger at the equator and deminishes as you move toward the poles, upper air winds: Their industrial economies, as well as their baseball teams, were fiercely competitive. The more the pressure changes over a . C) Low wind speeds strongest deflection B) false, but only near the poles A) horizontal airplane flight of 200 miles The maximum pressure range of the atmosphere is between: The addition of water vapor will cause the density of air to: Which of the following has the smallest impact on winds? Expert Answer. As the Sun unevenly heats the surface of the Earth, air rises and sinks, resulting in high and low regions of air pressure. Identify the choice above that represents a low pressure center (in either hemisphere). Text on this page is printable and can be used according to our Terms of Service. New Orleans, as well as Mobile, Alabama, and Gulfport, Mississippi, took years to recover from the damage done to their structures and infrastructure.The best defense against a hurricane is an accurate forecast that gives people time to get out of its way. Valuable topsoil is blown away and visibility can drop to almost zero. You might think that the warm air would lead to a higher pressure area, but actually the opposite is true. Trade winds are generally very predictable. Describe the surface wind direction and the winds aloft direction for the Northern Hemisphere on a Click Here for Text Alternative of Figure 27. In 2007, the Enhanced Fujita Scale was established in the U.S.; it provides more specific effects of the tornado to determine its destructive power. Dust from the Sahara crosses the Atlantic to create hazy sunsets in the Caribbean.Winds transport volcanic ash and debris for thousands of kilometers. would be depicted by widely spaced isobars, the overall strength of a circulation system is determined by The second was westward winds across the English Channel, allowing Protestant William of Orange to invade England and depose James II, the last Catholic monarch. is only possible in the tropics They have been instrumental in the history of exploration, communication, and trade. T/F:The mercury barometer is larger and less portable than an aneroid barometer. 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. T/F: An elongated region of low pressure is called a ridge. 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. List two corrections that are commonly made for a mercurial barometer reading. Europe endured years of cold, damp summers and pink sunsets.Winds ability to move earth can erode the landscape. Because warm air rises, it leaves behind an area of low pressure behind it. Atmospheric Forces - Mesonet (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. starting the air motion, which of the influences the magnitude of the coriolis force: The strongest winds in the solar system, however, belong to its outermost planet, Neptune. its rotation Monsoons are part of a yearlong cycle of uneven heating and cooling of tropical and mid-latitude coastal regions. The rotation of the Earth is responsible for the Coriolis Effect which breaks the two large Hadley Cells into six smaller ones displayed as six red circles in this figure. In the 20th century, kamikaze became the informal name for suicide attacks during World War II. The Enhanced Fujita Scale has 28 categories, with the strongest cataloging damage to hardwood and softwood trees.Hurricanes are measured using the Saffir-Simpson scale. The Beaufort scale has 17 levels of wind force. NWS JetStream - Origin of Wind - National Weather Service Even strong winds are often short in duration.Trade WindsTrade winds are the powerful prevailing winds that blow from the east across the tropics. A rising pressure indicates fine, settled weather, while a falling pressure indicates unstable and cloudy weather. The pressure gradient force (Pgf) is a force that tries to equalize pressure differences. Step-by-step explanation. T/F:The sea breeze is a simple thermal circulation that does not involve a pressure gradient. (This warm, low-pressure equatorial wind descends again around the horse latitudes. If an object is at rest, can we conclude that no external forces are acting on it? These pressure variations are often caused by: Circulations in the earth's atmosphere are fundamentally caused by: temperature contrasts between different locations. You would expect vertical airflow in a cyclone to result in: You would expect vertical airflow in an anticyclone to result in: High air pressure zones are usually associated with: If "fair" weather is approaching, the pressure tendency would probably be: Consider the pressure data recorded at Albany International Airport on September 27, 2011. Winds carried ash from the 2010 eruption of Eyjafjallajkull, a volcano in Iceland, as far west as Greenland and as far east as Great Britain. Hurricane Frances had a region of 80-kmph wind 500 km wide on September 4. Many deserts, from the rainless Atacama of South America to the arid Kalahari of Africa, are part of the horse latitudes.The prevailing winds at the horse latitudes vary, but are usually light. Because the sun hits different parts of the Earth at different angles, and because Earth has oceans, mountains, and other features, some places are warmer than others. The air at a warm temperature rises, but the air in a cold temperature is denser and travels lower, replacing the warm air. In Minnesota, for example, tall towers throughout neighborhoods sound an alarm if a tornado is near.Measuring WindsWind is often measured in terms of wind shear. The vertical component of the air motion is usually: divergence aloft and convergence at the surface. The National Weather Service measures air pressure in the unit of a millibar, which is equivalent to: 100 Newtons per square meter. On the other side of the mountain, dry downslope winds can speed through mountain passes at nearly 160 kph (100 mph). The continual heating and rise of air at the equator create low pressure there, which causes air to move (wind) towards the equator to take the place of the air that rises. The scale has six categories that designate increasing damage. Coriolis deflection increases as distance from the Equator increases, and also increases with increasing wind speed. These are called geostrophic winds. T/F: As seen by an observer on Earth, the Coriolis effect is an illusion; no deflection can actually be measured. Geog 1401 exam 2 (Pressure) Flashcards | Quizlet Particles from Saharan sand and dust storms can blow across islands in the Caribbean Sea and the U.S. state of Florida, more than 8,047 kilometers (5,000 miles) away.Dust storms in the tropics can be devastating for the local community. This illustrates the fact that: friction is present only close to the ground. Aquifers are filled, allowing water for drinking, hygiene, industry, and irrigation.TornadoA tornado, also called a twister, is a violently rotating funnel of air. 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. Warm air masses form where the sun's radiation is most intense, which is at the equator. Prevailing winds in the doldrums are very weak, and the weather is unusually calm.The ITCZ straddles the Equator. This powerful updraft is called a mesocyclone.A mesocyclone contains rotating drafts of air 1 to 10 kilometers (1 to 6 miles) in the atmosphere. Britain had just become a Protestant nation. The ACC is the largest ocean current in the world, and is responsible for transporting enormous volumes of cold, nutrient-rich water to the ocean, creating healthy marine ecosystems and food webs.Horse LatitudesThe horse latitudes are a narrow zone of warm, dry climates between westerlies and the trade winds. The area around the ITCZ is called the doldrums. Any two: elevation, temperature, latitude. latitude Air is set in motion by the Pressure Gradient Force (PGF). The scale is named for Sir Francis Beaufort, who established a system for describing wind force in 1805 for the British Royal Navy. Winds 3. What is the primary force that cause all winds? And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. (t/f), The sea breeze is a simple thermal circulation that does not involve a pressure gradient. Note that the U.S. lies primarily in the Westerly Wind Belt with prevailing winds from the west. T/F:Friction at the surface results in a stronger Coriolis force. The pressure gradient force is a major force in the air of the earth's atmosphere. gravity and humidity. Which of the following statements regarding Hurricane Frances and Typhoon Songda is correct? E) air density. What is going on here? pressure gradient and Coriolis. Air near the equator is heated and rises as indicated by the red arrows. 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. The Great Blizzard resulted in 400 deaths and $1.2 billion in damage.MonsoonA monsoon is a seasonal change in the prevailing wind system of an area. A force is an influence on a body which causes the body to accelerate (change speed or direction). Hurricane-force winds can extend outward more than 150 miles (242 km) for a large one. Its readings may be too low or too high if the temperature varies from the expected. As the land heats the moist air, it rises, cools, condenses, and falls back to Earth as rain. According to researchers at University of Colorado Denver, what was the most important factor in the high number of home runs at Coors Field?

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