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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A very cold high pressure that originates over the Arctic Ocean.
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 towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.