What is Fog?
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
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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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...