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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Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...