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.
Glossary
CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
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