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.
Schedule a Demo Today
A new era is starting with fundamentally new forecasting with unprecedented precision!
Contact UsGlossary
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...