cloud means pile latin clouds described cotton like appearance flat bases clouds low level clouds generally altitude vertical form clouds appear lines clusters clouds types cloud influenced weather factors instability moisture temperature gradient normally clouds produce little precipitation grow precipitation bearing clouds clouds formed water water ice crystals depending ambient temperature come distinct generally cool earth reflecting incoming solar radiation clouds larger category free convective clouds include clouds genus type categorized separately complex structure includes clouds limited convection comprise low middle high genus types classified separately formation clouds form atmospheric convection air warmed surface begins rise air rises temperature drops following lapse rate causing relative humidity rise convection reaches certain level reaches percent wet phase begins point positive feedback water releasing heat warming air convection phase water present air forming cloud creates characteristic flat shape associated clouds size cloud depends temperature profile atmosphere presence convection surrounding air mixed thermal total mass ascending air increases rain forms cloud process involving non stages stage occurs writes surface tension water provides slightly higher pressure raising pressure small increased pressure results resulting water larger extremely small size water process largely meaningless larger grown second stage takes phase begins fall combine increase size able develop formula predicted radius grow time period description liquid water density cloud found change height cloud base approximately constant cloud cloud base concentration grams liquid water kilogram air altitude increased concentration rapidly increased maximum concentration near middle cloud maximum concentration found grams water kilogram air concentration slowly dropped altitude increased height cloud immediately dropped zero clouds form lines stretching kilometres long called cloud streets cloud streets cover vast areas broken continuous form wind shear causes horizontal circulation atmosphere producing long tubular cloud streets generally form high pressure systems cold height cloud forms depends moisture thermal forms cloud humid air generally result lower cloud base temperate areas base clouds usually metres ground level range metres altitude arid mountainous areas cloud base excess metres clouds composed ice crystals water water mixture water form water larger larger temperate regions cloud bases studied ranged metres ground level clouds normally concentration ranged cubic centimeter cubic inch data taken growing isolated clouds small ranging diameter smaller present measurements sensitive detect smallest found lower portions clouds percentage large rising dramatically upper regions cloud size distribution slightly nature peaks small large sizes slight trough intermediate size range roughly neutral furthermore large size roughly proportional concentration unit volume air places clouds holes water occur winds tear cloud incorporate environmental air strong water clouds come distinct species species arranged variety accompanied seven features species ragged appearance form clear air precursor larger species types form precipitation feature called include bad weather clouds look like flattened shapes clouds look similar vertical development clouds like structure tower high atmosphere alternate variety forms radial bands called cloud streets comprise species features commonly seen species clouds clouds producing precipitation aloft produce precipitation reaches earth surface comprise clouds normally appear beneath parent cloud precipitation clouds gust clouds funnel clouds tornadoes clouds refer clouds grown rapidly force formation cloud clouds ice crystal veil growing cloud forecast clouds usually indicate fair weather clouds similar vertical development implies grow clouds produce heavy rain lightning severe winds hail tornadoes clouds appear towers grow storm clouds produce precipitation pilots pay close attention clouds rising air drafts underneath suck plane high sky phenomenon known cloud suck clouds produce acid rain possibly tornado largely formed dioxide plentiful gas main compounds hydrogen nitrogen react form effects climate clouds cool earth effect largely caused clouds time heat earth reflecting emitted radiation effect largely caused clouds averages net loss clouds hand variable effect heating earth surface vertical species genus clouds grow high atmosphere carrying moisture lead formation clouds researchers speculated produce positive feedback increasing upper atmospheric moisture earth resulting increasing number clouds carrying moisture upper atmosphere relation clouds clouds genus free convective low cloud related limited convective cloud clouds form ground level metres latitudes clouds low middle alto clouds consist convective cloud cloud middle clouds form metres metres polar areas metres temperate areas metres tropical areas high clouds limited convection clouds high clouds form metres high latitudes metres temperate latitudes metres low tropical latitudes clouds like extend vertically remaining confined clouds clouds form patches cast shadows commonly appear regular patterns rows clouds clear areas like members categories formed convective processes significant growth patches indicates high altitude instability signal approach poorer weather ice crystals bottoms clouds tend form cylinders solid instead tend stepped funnels coming ends cloud crystals tendency clouds long tend change water continues deposit ice crystals eventually begin fall destroying upward convection cloud clouds come species common genus types limited convective characteristics constituent water size clouds clouds middle cloud forms metres high metres polar areas metres temperate areas metres tropical areas precipitation commonly composed mixture ice crystals water water temperate latitudes liquid water concentration significantly greater concentration ice crystals maximum concentration liquid water tended cloud ice concentrated ice crystals base clouds found plates resided clouds form convection forced caused warm genus type limited convection divided species clouds cloud type cloud like clouds form low levels convection unlike clouds growth completely strong result like clouds giving layered appearance clouds extremely common covering average percent earth oceans percent earth continents common tropical areas commonly form cold fronts additionally clouds reflect large incoming sunlight producing net cooling effect clouds produce cloud warming reducing turbulent mixing cloud limited convection divided species common higher genus types clouds clouds final form growing clouds form clouds develop strong tops higher higher atmosphere reach metres altitude clouds commonly called produce high winds torrential rain lightning gust fronts funnel clouds tornadoes commonly clouds extraterrestrial clouds discovered planets solar system mars viking detected clouds forming convection primarily near polar space probe detected massive clouds near great red spot clouds detected saturn spacecraft determined clouds near saturn south pole cyclone kilometres diameter observatory detected whitish clouds like neptune clouds venus appear clouds
Cumulus cloud