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 large body of air having similar horizontal temperature and moisture characteristics.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...