https://ftp.emc.ncep.noaa.gov/gc_wmb/jpeng/Azure_HAFS_spread2023/al04/?C=N;O=D
Index of /gc_wmb/jpeng/Azure_HAFS_spread2023/al04
index ofgcwmbazurehafs
https://ftp.emc.ncep.noaa.gov/gc_wmb/jpeng/Azure_HAFS_spread2023/al04/?C=S;O=A
Index of /gc_wmb/jpeng/Azure_HAFS_spread2023/al04
index ofgcwmbazurehafs