Cirrus clouds are the most common of the high clouds. They are composed of ice and are thin, wispy clouds blown in high winds into long streamers. Cirrus clouds are usually white and predict fair ...

The "Contrail Cirrus Prediction Tool" CoCiP has been developed to simulate contrail cirrus resulting from a single flight as well as from a fleet of cruising aircraft ... Radiative cloud forcing is ...

A stubborn atmospheric blocking pattern, known as a rex block, is keeping California locked into a long dry spell, shunting storms away while periods of Santa Ana winds continue. Rex blocks are ...

Cirrus clouds are found high in the atmosphere where most jet planes fly, between 20,000 and 40,000 feet. Temperatures are well below zero degrees Fahrenheit, so these clouds are formed with ice ...