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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The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
The branch of science dealing with the laws of motion of air or other gases.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
A type of cloud consisting mostly of small particles such as ice particles.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...