Siberian High (SH) index (Gong et al., 2002): MODES forecast ------------------------------------------------------------ Observation (NECP-I) 2018Feb 1.04 2018Mar -2.32 2018Apr -0.14 2018May -0.40 2018Jun 0.29 2018Jul 2.78 ------------------------------------------------------------ Prediction (MODES) ------------------------------------------------------------ * BCC CFS EC 2018Aug -0.50 -1.02 -0.90 2018Sep -0.38 0.14 0.00 2018Oct -0.44 -0.55 0.06 2018Nov -0.44 -1.42 -0.12 2018Dec -0.24 -0.57 0.07 2019Jan -0.31 -0.69 0.06 2019Feb -0.17 -0.54 0.21