基于CRA空间检验技术的甘肃河东汛期降水智能网格预报偏差特征分析

韩晶, 焦美玲, 曹彦超, 王娟, 贺涛, 徐耕, 周忠文, 金满慧

Deviation characteristics in intelligent grid forecast of flood season precipitation in Hedong area of Gansu based on CRA spatial forecast verification

HAN Jing, JIAO Meiling, CAO Yanchao, WANG Juan, HE Tao, XU Geng, ZHOU Zhongwen, JIN Manhui

图2 预报场与实况场CRA匹配图 （蓝色区域为预报CRA，其外围浅蓝色区域为预报扩展区，橙色区域为实况CRA，其外围浅橙色为实况扩展区，紫色圆圈为扩展区域交集）

Fig.2 The CRA matching between forecast field and actual field （The blue area represents the forecast CRA， the surrounding light blue area represents the forecast extension area， the orange area represents the actual CRA， the surrounding light orange area represents the actual extension area， and the purple circle represents the intersection of the extension areas）