What is Blocking Pattern?
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather systems from moving through.
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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...