What is Arctic High?

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

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

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

A large body of air having similar horizontal temperature and moisture characteristics.

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

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

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...