What is Fog?
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
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A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
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 weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...