Extra-seasonal prediction of summer 500-hPa height field in the area of cold vortices over East Asia with a dynamical-statistical method<xref ref-type="fn" rid="cpb141993fn1">*</xref>

Extra-seasonal prediction of summer 500-hPa height field in the area of cold vortices over East Asia with a dynamical-statistical method*

Zhao Jun-Hu^a)†, Yang Liu^a),^b), Hou Wei^a), Liu Gang^a),^c), Zeng Yu-Xing^a),^c)

The annual variations of (a) ACC and (b) RMSE of summer mean 500 hPa height anomaly from 2002 to 2012 over the NCCV area, which are returned by SEC and independent sample of DSP.