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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
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 periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...