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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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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 towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...