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.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A very cold high pressure that originates over the Arctic Ocean.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Snow that rises to 8 feet or higher.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...