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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A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A very cold high pressure that originates over the Arctic Ocean.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...