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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The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A cloud of irregular appearance, composed of irregular cloud fragments.
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...