What is Hail?
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
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A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A cloud of irregular appearance, composed of irregular cloud fragments.
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.