WebOrdinarily much of the ClO would be captured by atmospheric NO2 and returned to the ClONO2 resevoir, but the polar clouds have absorbed most of the Nitrogen compounds … WebDuring winter in the polar regions, aerosols grow to form polar stratospheric clouds. The large surface areas of these cloud particles provide sites for chemical ... after the eruption (Fig. 1). Winds in the …

Polar stratospheric clouds – Australian Antarctic Program

WebIce polar stratospheric clouds (nacreous clouds) form at temperatures below the ice frost point, typically near −85 °C, which is colder than the average lower stratosphere temperature.The characteristic bright iridescent colours, resulting from diffraction and interference of light waves, suggest that the clouds are composed of similarly sized … WebCloud base is typically between 2,000 and 5,000ft, though in some cases this may be lower or higher. These clouds are formed when conditions are such that deep convection is able to develop, and may have a huge vertical extent particularly in the tropics, sometimes reaching the tropopause. These clouds produce heavy showers, thunderstorms and ... hannah montana episode one

Polar Mesospheric Clouds - NASA

Webpolar stratospheric clouds. thin clouds are composed of tiny ice crystals formed form the small amount of water vapor present in stratosphere . Nacreous Clouds. Clouds of unknown composition that have a soft, pearly luster and that form at altitudes about 25 to 30 km above the earth's surface, ... WebPolar stratospheric clouds (PSCs) and ozone Under normal atmospheric conditions, the two chemicals that store most atmospheric chlorine (hydrochloric acid, and chlorine nitrate) are stable. But in the long … WebThe WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them. hannah montana full episodes online