Abstract Using the ERA-Interim reanalysis dataset for time period 1979–2016, we analyzed influence of stratospheric polar vortex shift on Arctic Oscillation (AO) in winter (December–March). The results show that a toward Eurasian continent is favorable occurrence negative phase AO. duration AO events accompanied by (AO-shift events) longer than remaining (AO-noshift events), and intensity AO-sh...