What is Hail?
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
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The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Snow that rises to 8 feet or higher.
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
An instrument for measuring atmospheric pressure.
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
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.
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...