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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...