What is Air Mass?
A large body of air having similar horizontal temperature and moisture characteristics.
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The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A very cold high pressure that originates over the Arctic Ocean.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...