What is Heat Index?
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the 'apparent temperature.'
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A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...