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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A very cold high pressure that originates over the Arctic Ocean.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...