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 closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

