What is Arctic Air?

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

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....