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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The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...