Severe WeatherWhat is Weather?
Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which is why it can be difficult to forecast.
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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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...