Compare and contrast low and high pressure systems in global wind patterns.
Understand the Problem
The question is asking for an explanation of the differences and similarities between low and high pressure systems as they relate to global wind patterns. It seeks a comparison that encompasses both the characteristics and effects of these pressure systems on global wind movements.
Answer
Low pressure: CCW in NH, CW in SH. High pressure: CW in NH, CCW in SH.
Low pressure systems have winds that blow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. High pressure systems exhibit the opposite pattern: winds move clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. Both systems are influenced by the Coriolis effect.
Answer for screen readers
Low pressure systems have winds that blow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. High pressure systems exhibit the opposite pattern: winds move clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. Both systems are influenced by the Coriolis effect.
More Information
High and low pressure systems are major drivers of weather patterns. High pressure typically brings clear skies, while low pressure is often associated with clouds and precipitation.
Tips
Common mistakes include confusing the direction of wind rotation between the hemispheres and high vs. low pressure.
Sources
- The Highs and Lows of Air Pressure | Center for Science Education - scied.ucar.edu
- Wind Formation | manoa.hawaii.edu/ExploringOurFluidEarth - manoa.hawaii.edu
- What is the difference between a high and low pressure system ... - quora.com
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