What is Hail?

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.