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
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
An instrument for measuring atmospheric pressure.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
Snow that rises to 8 feet or higher.
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
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