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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Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...