Smoke

Science / Weather / Smoke: Small particles produced by combustion that are suspended in the air. A transition to haze may occur when the smoke particles have traveled great distance (25 to 100 miles or more), and when the larger particles have settled out. The remaining particles become widely scattered through the atmosphere. It is reported as 'FU' in an observation and on the METAR.
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Arctic Sea Smoke

Science / Weather / Arctic Sea Smoke: A type of advection fog that forms primarily over water when cold air passes across warmer waters. MORE

Arizona Cypress

Life Style / Christmas Trees / Arizona Cypress: The Arizona cypress is a steeple shaped tree with a pale-green to gray-green color. The leaves are extremely tiny and quite plentiful. They lay close to the branchlet surface in a scale like arrangeme MORE

Aerosol

Science / Chemistry / Aerosol: A colloid in which solid particles or liquid droplets are suspended in a gas. Smoke is an example of a solid aerosol; fog is an example of a liquid aerosol. MORE