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.
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A large body of air having similar horizontal temperature and moisture characteristics.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...