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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Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...