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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The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.