What is Climatology?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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