What is Precipitation?
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.
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A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...