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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Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...