
varr uchalalela nirdeshank

unchavalela nirdeshank (lii) haah vatavaranachya tropospheremadhye (sarvat qamee thurr jethe bahutek hawaman ghadate) dilelya dabachya unchivar, samanyatah 500 etch. pii. aii. (emm. bii.), vatavaranatil tii. eae. (pii.) aanee adiabatically tii. pii. (pii.) varr uchalalelya havechya pattyatil tapmanatil farak aahe. tapman celsiasmadhye mojale jaate. jevha moolya sakaratmak asate, tevha vatavaran (sambandhit unchivar) sthir asate aanee jevha moolya nakaratmak asate, tevha vatavaran asthir asate.
lii nishchit karane.
sanganakachya algoridamcha vapar karoon leachy ganana kelee jaau shakate parantu teey chitratmakdrushtya dekhil nishchit kele jaau shakate. heey karnyasathi, samanyatah, grahanchya seema tharachya (pii. bii. ell.) bhagatoon, joou sakalchya ulatya bhagachya khalee asato, too bhag uchalala jaato. yetheel havah sumare 60 teey 65 takke aar. etch. asavi, jee nantar koradya ediabatchya bajoone (ediabatic prakriya dekhil pahaa) lifting condensation levelparyant (ell. see. ell.) uchalali jaate, jee seema tharatil sarasari mishran gunottarasah tyaa vakraresheche chhedanbindu aahe. ekada ell. see. ell. sapadlyanantar, olsar adiabatchya bajoone parcel 500 emm. bii. paryant uchalale jaate. tyanantarach lii = teey (pii)-tii. pii. (pii) aadhalate.
lii samanyatah khalilpramane mojale jaateh 
vadalanche mahatva.
varr uchalalela nirdeshank vadali vaayachya andajat vaparla jaau shakato, tathapi, sanvahanaksham upalabdh sambhavya urja (cape) heey asthirateche eka utkrusht mojmap manale jaate aanee anek havamanshastradnya sanvahan andajasathi yala pradhanya detat. tathapi, sanganak naan vaparta lii nishchit karane sope aanee jalad aahe, kaaran cape nirdharit karnyasathi eka patalivarun dusya staravar ekikaran aavashyak aahe.