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...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A type of cloud consisting mostly of small particles such as ice particles.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...