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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A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...