What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Schedule a Demo Today
A new era is starting with fundamentally new forecasting with unprecedented precision!
Contact UsGlossary
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A type of cloud consisting mostly of small particles such as ice particles.