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
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
An instrument for measuring atmospheric pressure.
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....