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What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

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Glossary

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Snow that rises to 8 feet or higher.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...