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 formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.