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 bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Snow that rises to 8 feet or higher.
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

