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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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