Q. What kind of weather is associated with low pressure?
Low-pressure systems are associated with clouds and precipitation that minimize temperature changes throughout the day, whereas high-pressure systems normally associate with dry weather and mostly clear skies with larger diurnal temperature changes due to greater radiation at night and greater sunshine during the day.
Q. What prevents air from flowing directly from a high to a low pressure?
C) close together, the pressure gradient force is slight and wind velocities are weaker. What prevents air from flowing directly from high-pressure areas to low-pressure areas? Pressure gradient force.
Q. Which of the following is are associated with low air pressure systems?
Low pressure systems tend to result in unsettled weather, and may present clouds, high winds, and precipitation. As the low pressure intensifies, storms or hurricanes can be formed.
Q. Which if the following is are a way that air temperature can affect air pressure?
Warm Temperatures When gas molecules are heated, the molecules move more quickly, and the increased velocity causes more collisions. As a result, more force is exerted on each molecule and air pressure increases. Temperature affects air pressure at different altitudes due to a disparity in air density.
Q. Which of the following are not defined by air circulation around a low pressure center?
Which of the following are NOT defined by air circulation around a low pressure center? Thunderstorms.
Q. What are associated with low pressure systems quizlet?
Poor weather is associated with low pressure systems because when the air masses moves apart, clouds form, Warm moist air begins to rise.
Q. What is a common cause of low pressure systems quizlet?
Low pressure systems are associated with clouds and precipitation because warm air (holds a lot of water vapor) is rising due to its density than the air above. This rising air goes through adiabatic cooling and then is a lower temp.
Q. What term refers to the rising of air in a low pressure system?
L. low pressure- rising air… produces stormy weather. low pressure systems turn… counterclockwise.
Q. How are areas of low pressure created quizlet?
How does a stormy, low pressure system form? the continental polar air mass that forms over snow covered ground is cold, dry and dense. It can force moist air to rise quickly, producing a stormy low pressure system.
Q. Where are low pressure areas?
Globally, low-pressure systems are most frequently located over the Tibetan Plateau and in the lee of the Rocky mountains. In Europe (particularly in the British Isles and Netherlands), recurring low-pressure weather systems are typically known as “low levels”.
Q. Why does air flow from areas of high pressure into areas of low pressure quizlet?
Typical of cold air. The movement of air caused by differences in air pressure from an area of high pressure to an area of lower pressure. Happens during the night because the air above the ocean is warm and rises, and the cooler air from the land rushes moves towards the warm air from the ocean.
Q. What is the general movement of low pressure centers across the United States?
Calculate the Price
| The force exerted by the weight of the air above is called ____. | a. air pressure |
|---|---|
| The general movement of low-pressure centers across the United States is from ____. | c. west to east |
| Which of the following does NOT describe the surface air movement of a Northern Hemisphere low? | d. divergent |
Q. What are centers of low pressure called?
Low Pressure Centers: also known as cyclones. A surface low pressure center is where the pressure has been measured to be the lowest relative to its surroundings. That means, moving any horizontal direction away from the Low will result in increasing pressure.
Q. In which direction is air pressure exerted?
Air pressure is exerted in all directions— down, up, and sideways. The air pressure pushing down on an object exactly balances the air pressure pushing up on the object. When air masses move around the earth due to differential heating, this value can change. Elevation also changes the value of atmospheric pressure.
Q. Where is the only truly continuous pressure belt on Earth?
Southern Hemisphere
Q. Where are the coldest air pockets found?
With remote-sensing satellites, scientists have found the coldest places on Earth, just off a ridge in the East Antarctic Plateau. The coldest of the cold temperatures dropped to minus 135.8 F (minus 93.2 C) — several degrees colder than the previous record.
Q. What does warm air from the equator do?
Warm air rises at the equator and moves toward the poles. At the poles, the cooler air sinks and moves back toward the equator. This belt of air around the equator receives much of the sun’s radiant energy. This area is known as the intertropical convergence zone (ITCZ), and is the area with the most active weather.
Q. Why does air rise in centers of cyclones?
Since a cyclone is also known as a low pressure center, moving in any horizontal direction away from the “Low” will result in increasing pressure. Air converges into a low pressure center which causes air to rise.
