Identify the role of teleconnection patterns on rainfall regime in Kermanshah

Teleconnection patterns and rainfall are analyzed in this study. For this research ,Date of NCAR/NCEP is used. Teleconnection patterns are investigated include:Amm,Pdo,Nino3.4, amo,mei,nino1+2, ,ao, ewar, nao, pna and soi. The method of it is downscaling rainfall and teleconnection indices. The main goal is identifying most effective teleconnection pattern in different part of this province.