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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A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...