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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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A cloud of irregular appearance, composed of irregular cloud fragments.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
An instrument for measuring atmospheric pressure.
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.