What is Arctic High?

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A cloud of irregular appearance, composed of irregular cloud fragments.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...