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What 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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Glossary

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A large body of air having similar horizontal temperature and moisture characteristics.