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 upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
An instrument for measuring atmospheric pressure.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Snow that rises to 8 feet or higher.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...