What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...