For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:licehunter:branches:Application:Geo/openSUSE_Tumbleweed/home:licehunter:branches:Application:Geo.repo
zypper refresh
zypper install XyGrib
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:licehunter:branches:Application:Geo/openSUSE_Leap_15.2/home:licehunter:branches:Application:Geo.repo
zypper refresh
zypper install XyGrib
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:licehunter:branches:Application:Geo/15.4/home:licehunter:branches:Application:Geo.repo
zypper refresh
zypper install XyGrib