1971—2020年我国月气候预测业务预报评估

孙林海, 竺夏英, 李想, 艾婉秀, 杨明珠

Assessment of monthly climate prediction in China from 1971 to 2020

SUN Linhai, ZHU Xiaying, LI Xiang, AI Wanxiu, YANG Mingzhu

表2 降水量距平百分率的一级和二级异常预报评分标准

Tab.2 The scoring criteria for the level 1 and level 2 anomaly prediction in precipitation anomaly percentage

预报 实况 R实况≥50% 50%>R实况≥20% -20%≥R实况>-50% R实况≤-50% R预报≥50% √ × × × 50%>R预报≥20% × √ × × -20%≥R预报>-50% × × √ × R预报≤-50% × × × √