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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
Snow that rises to 8 feet or higher.
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...