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3 河东斜压锋生类（a）、暖强迫类（b）及冷强迫类（c）降水的天气系统配置 （绿色虚线为700 hPa等比湿线，单位：g·kg-1；棕色细箭头为700 hPa显著流线；棕色粗箭头为700 hPa低空急流；红色双实线为700 hPa切变线；红色单实线为500、700 hPa等温度线，单位：℃；蓝色单实线为500 hPa槽线；蓝色粗箭头为200 hPa高空急流；蓝色锯齿线为冷锋；D为低压系统）

Fig.3 Weather system configuration for oblique frontal (a), warm forcing (b) and cold forcing (c) precipitation in Hedong area of Gansu Province （The green dashed lines indicate the 700 hPa isobaric humidity line, Unit: g·kg-1; the brown thin arrow represents a significant streamline at 700 hPa; the brown thick arrow represents the 700 hPa low-level jet stream; the red double solid line represents the 700 hPa shear line; the red solid lines represent temperature lines at 500 and 700 hPa, Unit: ℃; the blue solid line represents the 500 hPa trough line; the blue thick arrow represents the 200 hPa high-altitude jet stream; the blue sawtooth line represents a cold front; D represents a low-pressure system）