What is Backing Winds?
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground winds tend to veer (rotate clockwise) and increase in speed with sunrise, while at night, the winds back (rotate counterclockwise) and slow down. This pattern is observed in the Northern Hemisphere over land and is known as heliotropic wind behavior. Wind speed is influenced by vertical air movements caused by the heating of the ground. The greatest changes in wind direction and speed occur at midday when heating is at its peak. Mornings are typically the calmest period for wind.
Glossary
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A type of cloud consisting mostly of small particles such as ice particles.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
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