What is Warning?
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening now, developing as we speak, and is minutes away. This weather hazard poses a threat to life and property.
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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...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...