What is Humidity?
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
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A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...