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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...
A cloud of irregular appearance, composed of irregular cloud fragments.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...