Research Article

GPS Radio Occultation Data Assimilation in the AREM Regional Numerical Weather Prediction Model for Flood Forecasts

Figure 2

Comparison of different initial values and occultation refractivity observations in the middle-upper troposphere (a) and middle-lower troposphere (b) ○ represents actual occultation observations (OBS), • stands for the reference control test (CTRL), □ represents the nonquality control scheme (REF_NQC), and ■ represents the quality control scheme (REF_QC).