2013-02-06-AMN-557-OBS-OSD-RBSN-RBCN-RAIV_en
Regional Basic Synoptic Network (RBSN) and Regional Basic Climatological
Network (RBCN) in Regional Association IV (North America, Central America
and the Caribbean)

2013-02-15-AMN-558-OBS-WIS-DMA-WWR-IV_en.pdf
Collection of data from Region IV for publication in World Weather Records
1991-2000,2001-2010 and 2011, 2012

2013-02-19-AMS-489AMN-559-WDS-AN-TECO-2013_en.pdf
Technical Conference on Aviation Meteorology for Regional Associations III
and IV

2013-07-15-AMN 560_CLW_HWR_RA IV-en.pdf
Nominations of candidates for membership of the RA IV Working Group on Hydrology
and the RA IV Hydrology Forum