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
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
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...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...