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 heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
An instrument for measuring atmospheric pressure.
The branch of science dealing with the laws of motion of air or other gases.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...