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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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...