Kube nokwanda okukhulu kwemvula ngesikhathi sokuqala kwemvula yasenyakatho-mpumalanga phakathi kuka-2011-2020 futhi inani lezehlakalo zemvula enkulu nalo likhuphukile ngesikhathi sokuqala kwemvula, kusho ucwaningo olwenziwe yizazi zezulu eziphezulu zoMnyango Wezezulu waseNdiya.
Kulolu cwaningo, kwakhethwa iziteshi ezingu-16 ezisogwini oluphakathi kwe-Andhra Pradesh eseningizimu, enyakatho, emaphakathi naseningizimu yeTamil Nadu. Ezinye zeziteshi zesimo sezulu ezikhethiwe kwakuyiNellore, iSulurpet, iChennai, iNungambakkam, iNagapattinam kanye neKanniyakumari.
Ucwaningo luphawule ukuthi imvula yansuku zonke yande phakathi kuka-10 mm no-33 mm ngesikhathi kufika imvula enkulu ngo-Okthoba phakathi kuka-2011-2020. Imvula yansuku zonke phakathi naleso sikhathi emashumini eminyaka adlule yayivame ukuba phakathi kuka-1 mm no-4 mm.
Ekuhlaziyweni kwayo mayelana nokuvama kwemvula enkulu kuya kwenkulu kakhulu esifundeni, kwembulwe ukuthi kube nezinsuku ezingu-429 zemvula enkulu eziteshini zezulu ezingu-16 phakathi nemvula enkulu yasenyakatho-mpumalanga eminyakeni eyishumi.
UMnu. Raj, omunye wababhali balolu cwaningo, uthe inani lemvula enkulu libe yizinsuku ezingu-91 ngesonto lokuqala selokhu kwaqala imvula enkulu. Amathuba emvula enkulu endaweni egudle ugu akhuphuke ngokuphindwe ka-19 ngesikhathi sesigaba sokubekwa kwemvula enkulu uma kuqhathaniswa nesigaba sangaphambi kokuqala. Kodwa-ke, izehlakalo ezinjalo zemvula enkulu azivamile ngemva kokuhoxa kwemvula enkulu.
Lolu cwaningo luthi nakuba usuku lokuqala kanye nolokuhoxa luyizimpawu ezibalulekile zemvula enkulu, nakuba usuku lokuqala olumaphakathi lwaluyi-Okthoba 23, usuku olumaphakathi lokuyeka lwaluyi-Disemba 31 kule minyaka eyishumi. Lokhu kwakungemva kwezinsuku ezintathu nezine ngokulandelana kunezinsuku ezimaphakathi zesikhathi eside.
Imvula yahlala isikhathi eside ogwini oluseningizimu yeTamil Nadu kwaze kwaba nguJanuwari 5.
Ucwaningo lusebenzise indlela ye-superposed epoch ukukhombisa ukwanda okukhulu nokwehla kwemvula ngemva kokuqala nokuhoxa kwayo phakathi neminyaka eyishumi. Lwalusekelwe kudatha yemvula yansuku zonke phakathi kukaSepthemba noFebhuwari etholwe ku-National Data Centre, IMD, ePune.
UMnu. Raj waphawula ukuthi lolu cwaningo lwaluwuchungechunge lwezifundo zangaphambilini ezazihlose ukukhiqiza idatha yomlando ngezinsuku zokuqala kwemvula kanye nokuhoxa kwayo isikhathi seminyaka engu-140 kusukela ngo-1871. Izindawo ezifana neChennai ziphule amarekhodi amaningana emvula enkulu eminyakeni yamuva nje futhi isilinganiso semvula yonyaka edolobheni sikhuphuke emashumini eminyaka amuva nje.
Sisanda kuthuthukisa igeyiji yemvula encane engagqwali efanelekile ukuqapha imvelo ngezindlela ezahlukene, siyakwamukela ukuvakashela.
Isilinganiso semvula esizwa ukuwa
Isikhathi sokuthunyelwe: Okthoba-10-2024