Lokacin da canzawa yanzu ya ratsa ta waya, ana samun canjin yanayin maganadisu a kewayen wayar. Ciki na gaba dayan madugu a cikin madaurin maganadisu zai haifar da abin da aka jawo yanzu. Tun da wannan halin yanzu ya haifar da rufaffiyar madauki a cikin dukan madugu, kamar vortex na ruwa, ana kiran shi da Eddy halin yanzu. Eddy halin yanzu ba kawai zai ɓata makamashin lantarki a banza ba, yana rage ingancin amfani da kayan aikin lantarki, amma kuma zai haifar da dumama na’urorin lantarki (kamar gidan wutan lantarki), wanda zai shafi aikin yau da kullun na kayan aiki a lokuta masu tsanani.