Bala inqanaba lekhephu

Enye yezinto ezibalulekileyo xa kuziwa kuqikelelo lwemozulu kukwazi ukuphakama apho kuya kuvela khona ikhephu. Oku kwaziwa njenge Bala inqanaba lekhephu. Ukuvela kwamanzi esigaba esomeleleyo ngexesha lemvula akuchaphazeli kuphela imisebenzi yezoqoqosho kunye nemeko ezisemngciphekweni, kodwa nalo naluphi na uhlobo lomsebenzi wemihla ngemihla.

Kule nqaku siza kukufundisa indlela yokubala inqanaba lekhephu kwaye kubaluleke kangakanani.

Bala inqanaba lekhephu

Bala inqanaba lekhephu

Xa imvula yenzeka ngendlela eqinileyo, ichaphazela inani elikhulu lezinto ezenziwa ngabantu. Kukho iindawo ezinobungozi ezinje nge Yindlela kunye nokuhamba komoya, imisebenzi yangaphandle kunye nemisebenzi yokunyuka intaba. Phantse nawuphi na umsebenzi wemihla ngemihla kunye nobomi kwiidolophu ezinkulu bunokuchaphazeleka kwikhephu. Umahluko kwinqanaba lekhephu leemitha ezingama-200 unokuthetha umahluko phakathi kwemini enethayo kunye nokuwa okupheleleyo kwesixeko ngenxa yekhephu. Kuya kufuneka uqhelane nezixeko apho ikhephu lixhaphake khona xa uzilungiselela le meko kunye nemingcipheko ebandakanya yona.

Siyazi ukuba iqondo lobushushu lidlala indima ebalulekileyo xa kufikwa kwiintlobo ezahlukeneyo zemvula. Ikhephu linokwenzeka xa ubunzima bomoya bunamaqondo obushushu angaphantsi kwe-0 degrees okanye ukuvala. Gcina ukhumbula ukuba olu luhlu lwamaqondo obushushu kufuneka lubekhona kumphezulu wendawo esikuyo. Xa sijonga ubushushu bobunzima bomoya, sifumana uqikelelo olunokuthi, kwiimeko ezininzi, lungonelanga. Kukhawuleza xa sikuqonda oko kukho ezinye izinto ezinokubangela iimpazamo xa kubalwa inqanaba lekhephu kwaye iingxaki ziza. Iingxaki ezivela ekwenzeni uqikelelo lwemozulu.

Ukuphakama nobushushu

idolophu enekhephu

Ukuphakama kunye nobushushu ngamacandelo okuqala ahlala elondoloziwe ukubala inqanaba lekhephu. Yenye yezinto zokuqala ezisinika umkhondo wokuba liphezulu kangakanani ikhephu. I-0 degree isotherm ngumgca apho kugcina khona ubushushu kwinqanaba elifanayo. Oko kukuthi, ukuphakama apho iqondo lobushushu lilibi phantsi kweemeko eziqhelekileyo. Ngokwesiqhelo, Ukungena kwe-Thermal akwenzeki kumanqanaba aphezulu, kodwa kunokwenzeka. Ikhephu ngokubanzi liqala ukunyibilika ngezantsi kweli nqanaba. Kuqhelekile ukuba amakhekhe ekhephu okuqala esiwafumanayo angamakhulu ambalwa eemitha ngaphantsi komthi. Kwezi ndawo sineqondo lobushushu elinamaxabiso aqinisekileyo kancinane ngaphezulu kwe-0 degrees.

Enye ipharamitha edlalwa rhoqo bubushushu kuxinzelelo lwe-850 hPa. Imalunga ne- Ixabiso loxinzelelo lomoya apho ihlala ijikeleze i-1450 yeemitha zokuphakama. Uncedo lokusebenzisa le nkqubo yesalathiso ukujonga ubushushu bobunzima bomoya kukuba yeyona nto imele ubushushu obukhoyo kumanqanaba asezantsi. Olunye uncedo lolu hlobo lwenkqubo yesalathiso kukuba yahlulwe ngokwaneleyo emhlabeni ukuze ukwahluka komhlaba, imitha yelanga kunye nokujikeleza kwemini nobusuku kungaphazamisani nobushushu. Ndiyabulela kwezi paramitha ukubala inqanaba lekhephu kulula kakhulu.

Ubushushu ukubala inqanaba lekhephu

Bala inqanaba lekhephu

Ngaphandle kwamathandabuzo, ubushushu yeyona nto ibalulekileyo kwindalo esingqongileyo ukubala inqanaba lekhephu. Ukuhlalutya kuphela amaqondo obushushu kumanqanaba asezantsi, kunokubonwa ukuba siyaqhubeka nenqanaba lekhephu elibalwe ngokuchanekileyo. Kumaqondo afanayo kumanqanaba asezantsi, inqanaba lekhephu liyahluka. Isizathu soku kwahluka kubangelwe ngamaxabiso obushushu afunyenwe kumaleya aphezulu. Eyona nto iqhelekileyo kukuba yonke imizobo kunye neetafile zesikhokelo sokubala inqanaba lekhephu zihlala zibandakanya amaqondo obushushu kwi-500 hPa yoxinzelelo lomoya. Kolu hlobo loxinzelelo sizifumana siphezulu kwi-5500 yeemitha ngaphezulu komphakamo wolwandle.

Ukuba sifumana umoya obandayo phakathi nakumaleko aphezulu, kukho ukunyuka nokuwa komoya okunokubangela ukwehla kweqondo lobushushu. Ukuba sifumana imvula rhoqo kwezi ndawo, kuyakubakho ukuhla okukhulu kwinqanaba lekhephu. Oku kwehla ngesiquphe kudla ngokuthetha amakhulu ambalwa eemitha ukuhla kunokuba bekulindelwe. Ityala eligqithisileyo eliqhele ukufunyanwa lelokuba nini umoya ubanda ngokwaneleyo kwaye awuzinzanga kubude kwaye unokubangela ukuhanjiswa okunzulu kunye neenkqwithela. Kwezi meko zigqithileyo xa inqanaba lekhephu linokuhla liye ngaphezulu kweemitha ezingama-500. Apha ihlala iphazamisana nemvula kwaye iya kukhokelela kwikhephu eliqatha nangalindelekanga.

Ezi meko zihlala zenzeka kumaxesha amancinci ebusika nakwiindawo apho kungakhithimi rhoqo khona, kodwa kuyakhithika rhoqo ngonyaka. Uxinzelelo lwe-850 kunye ne-500 hPa alunakuseta amaxabiso. Kwiindawo ezinoxinzelelo oluphezulu kunye nokuphakama komhlaba sinokufumana ikhephu ngaphezulu. Kwelinye icala, banokufumaneka kuxinzelelo kukuba kuyabanda kwaye kunzulu kuba kusenzeka kwinkxaso-mali eyahlukeneyo yetroposphere eneendawo eziphantsi kakhulu. Kulapha apho sinokufumana amaxabiso oxinzelelo lwe-850 hPa kwiimitha ezili-1000 nje zobude.

Ukuze ikhephu libekhona kwezi ndawo, kufuneka ubushushu bendalo bube yi-0 degrees kolu xinzelelo lomoya kwaye njenge-geopotential ye-1000 yeemitha.

Ukufuma, indawo yombethe kunye neentaba

La manqaku mathathu zizinto eziza kusibeka kwimeko xa kubalwa inqanaba lekhephu. Ukufuma imeko kakuhle. Kwimimandla enomswakama ophezulu, Amakhekheba ekhephu anyibilika ngokukhawuleza kwaye ziimitha ezingama-200 ezantsi kwe-0 degree isotherm. Ke ngoko, kwezi ndawo imvula ihlala iyimvula. Xa umaleko womoya owomileyo ubonakala kwindawo esondele kufutshane nomphezulu womhlaba, amakhekhe ekhephu anokugcina ubume bawo ngaphandle kokunyibilika ixesha elide. Ukuba ukufuma kuphantsi kakhulu kwaye iqondo lobushushu lilungile, ifilimu yamanzi ngokuqinisekileyo iya kuqala ukubonakala kumphezulu wamahlwantsi ekhephu. Ukuba ukufuma kuphantsi kakhulu, amanzi aqala ukwandiswa, ukufunxa amandla emzimbeni ngokwawo kunye nomoya ojikelezileyo.

Ndiyathemba ukuba ngolu lwazi ungafunda ngakumbi malunga nemiba ekufuneka ithathelwe ingqalelo ukubala inqanaba lekhephu.


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