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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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A very cold high pressure that originates over the Arctic Ocean.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.