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 type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...