What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A type of cloud consisting mostly of small particles such as ice particles.
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.