What is Atmosphere?
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
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Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....