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 thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...