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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A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.