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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An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...