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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The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...