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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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.