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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Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...