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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Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
An instrument for measuring atmospheric pressure.
A type of cloud consisting mostly of small particles such as ice particles.
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.