...
2.1 Near-real-time NWP monitoring
...
2.1.2Upper-air land observations
2 2.2 GBON monitoring monitoring
2.2.1.Surface-land observations
2.2.2Upper-air land land observations
2.3.1.Surface-land observations
...
...
2.1 Near-real-time NWP monitoring
...
2.1.2Upper-air land observations
2 2.2 GBON monitoring monitoring
2.2.1.Surface-land observations
2.2.2Upper-air land land observations
2.3.1.Surface-land observations
...