What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.