What is Arctic High?

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

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A very cold high pressure that originates over the Arctic Ocean.

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...