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 deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
Snow that rises to 8 feet or higher.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...