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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.