✔️ 2022-08-22 05:39:40 - Paris/France.
Umkhombe wamaza amafutshane uya kudlula kulo mmandla kwiintsuku ezimbalwa ezizayo. Imimoya yaseMzantsi Afrika iya kuqhubeka nokwandisa i-advection yomoya ofudumele kunye nomswakama, ukwandisa ukungazinzi kokusingqongileyo. Ukwahlukana kwinqanaba eliphezulu elisezantsi kuya kunceda ukunyusa ukuphakama, ngakumbi ngexesha leeyure zemini kwiintsuku ezimbalwa ezizayo. Amaxabiso e-PW aphezulu malunga ne-2,2 ukuya kwi-2,4 intshi, engaphezulu kwe-90th percentile ye-SPC survey climatology. Ke ngoko, imvula iya kusebenza kakuhle kwaye ivelise amazinga aphezulu emvula kwiziphango ezinamandla. Ukujonga iimodeli, amathuba emvula aya kuba phezulu mihla le kwezi ntsuku zimbalwa zizayo. I-POPs okwangoku iqikelelwe kwi-70s kunye ne-80. Imvumelwano yemodeli eqhelekileyo ixhasa uqikelelo olumanzi kwaye ngenxa yobuninzi bomswakama obuya kuhamba kummandla kwiintsuku ezimbalwa ezizayo, ii-PoPs ziphezulu kancinci kunezibikezelo ze-NBM. Imvula enkulu yendawo iya kuba yinkxalabo yemihla ngemihla kwiintsuku ezimbalwa ezizayo. Asikayiboni imiqondiso yezikhukhula ezixhaphakileyo, kodwa izandyondyo zemvula ziyakwenzeka, ngakumbi kwiindawo ezisezantsi okanye ezisesichengeni ukuba kukho isaqhwithi esinamandla. Ukongeza kumngcipheko wemvula, kuya kubakho umngcipheko wemimoya ebhudla ngamandla kunye nemibane rhoqo phakathi kweendudumo ezinamandla.
Ukwahlukana okubuthathaka kwinqanaba eliphezulu, ngakumbi ngoLwesithathu nangoLwesine emva kwemini, kuya kunceda ekuphuculeni ukuphakama kokusingqongileyo. Amaxabiso e-PW alindeleke ukuba ahlale ephakamile malunga ne-2,2 ukuya kwi-intshi ye-2,4, engaphezulu kwe-90th percentile ye-SPC yokuvakala kwemozulu. Ke ngoko, imvula ekhulayo iya kusebenza kakuhle kwaye ivelise amazinga aphezulu emvula. Ukujonga iimodeli, imvula ilindeleke imihla ngemihla ngenxa ye-shortwave kunye neemeko ze-atmospheric. Ngenxa yokufuma okuninzi, ukucheba nokucheba okubuthathaka, imvula enkulu yendawo iya kuba yinkxalabo yemihla ngemihla ukusuka phakathi evekini ukuya ekupheleni kweveki ngaphakathi kwezaqhwithi ezinamandla. Oku akukabonakali ingumngcipheko oxhaphakileyo wezikhukula. Kodwa iindawo ezisesichengeni ziya kuba semngciphekweni wasekhaya/okwadwa wezikhukhula, xa kujongwa ukusebenza kwezandyondyo zemvula kunye nemvula eshushu. Ukongeza, imimoya ebhudla ngamandla kunye nemibane rhoqo iya kuba yinkxalabo ngexesha lezaqhwithi ezinamandla ngasekupheleni kweveki.
SOURCE: Uphonononga Iindaba
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