Weather front
Videos
A weather front is a boundary separating air masses for which several characteristics differ, such as air density, wind, temperature, and humidity. Disturbed and unstable weather due to these differen
Approaching weather fronts are often visible from the ground, but are not always as well defined as this.
A shelf cloud such as this one can be a sign that a squall is imminent
Convective precipitation
ISS 48 Towering cumulonimbus and other clouds over the Earth
Cyclogenesis
Videos
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere. Cyclogenesis is an umbrella term for at least three different processes, all of which result in the developm
This collage of GOES 13 satellite images shows the development of a nor'easter over two days.
This image displays a dense cloud pattern and arcing band of convection, indicating a young, developing cyclone.
The diffuse cloud pattern in this image indicates an old, low-pressure system undergoing Cyclolysis.
This image illustrates the relative positions of two storm systems over the north-eastern Pacific.