| Full Name | Affiliation | Country | e-mail address |
| John Adler | NOAA/AOC | USA | John.J.Adler at noaa.gov |
| Eduardo Alaiza | UAGRM | Bolivia | ealaiza at hotmail.com |
| Isela Alcócer | INAC | Bolivia | isela_dfo at hotmail.com |
| Jorge Aldunate | AASANA | Bolivia | jaldunatep at hotmail.com |
| Fernando Alvarez | AASANA | Bolivia | n/a |
| Antonio Aspiazu | AASANA | Bolivia | araspiazu at yahoo.com.ar |
| Julián Báez | DINAC | Paraguay | jbaez at foroagua.org.py |
| Luis Blacutt | UMSA | Bolivia | blacutt at fiumsa.edu.bo |
| Mark Bradford | UCAR/JOSS | USA | mark at ucar.edu |
| Devin Brakob | NOAA/AOC | USA | Devin.R.Brakob at noaa.gov |
| Lee Byerle | Univ of Utah | USA | lbyerle at met.utah.edu |
| Lorena Campero | UMSA | Bolivia | lorecampero at yahoo |
| Claudia Campetella | Univ of Bns Ars | Argentina | claudiac at at1.fcen.uba.ar |
| Roberto Catacora | AASANA | Bolivia | catacora_roberto at hotmail.com |
| Iracema Cavalcanti | CPTEC | Brazil | iracema at cptec.inpe.br |
| Rimort Chávez | AASANA | Bolivia | rimort_bo at yahoo.es |
| Celso Delgado | AASANA | Bolivia | celso_delgado at hotmail.com |
| Elenora DeMaría | Univ of Utah | USA | edemaria at met.utah.edu |
| Alvaro Díaz | Univ de República | Uruguay | adiaz at fing.edu.uy |
| Carlos Díaz | SENAMHI | Bolivia | dirmethi at caoba.entelnet.bo |
| Mike Douglas | NOAA/NSSL | USA | Michael.Douglas at noaa.gov |
| Mark Eastburn | NOAA/OGP | USA | mark.eastburn at noaa.gov |
| Gus Emmanuel | UCAR/JOSS | USA | cbe at ucar.edu |
| Carlos Ereño | Univ of Bns Ars | Argentina | ereno at fibertel.com.ar |
| Edgar Faure | AASANA | Bolivia | edgarfaure at propilots.net |
| Lorena Ferreira | Univ of Bns Ars | Argentina | ferreira at at1.fcen.uba.ar |
| Bob Fightmaster | NOAA/AOC | USA | Bob.W.Fightmaster at noaa.gov |
| Paul Flaherty | NOAA/AOC | USA | Paul.Flaherty at noaa.gov |
| Dewie Floyd | NOAA/AOC | USA | Dewie.Floyd at noaa.gov |
| José Manuel Galvez | NOAA/NSSL | USA | jose.galvez at noaa.gov |
| Manoel Gan | CPTEC | Brazil | gan at cptec.inpe.br |
| René Garreaud | Univ of Chile | Chile | rgarreau at dgf.uchile.cl |
| Benjamin Grassi | DINAC | Paraguay | grassi at pla.net.py |
| Lorena Guerrero | Univ of Bns Ars | Argentina | LorenaBG79 at hotmail.com |
| Phil Hall | NOAA/AOC | USA | Philip.G.Hall at noaa.gov |
| Jhonny Hidalgo | AASANA | Bolivia | |
| John Kermond | NOAA/OGP | USA | John.Kermond at noaa.gov |
| Terry Lynch | NOAA/AOC | USA | Terry.M.Lynch at noaa.gov |
| José Marengo | INPE/CPTEC | Brazil | marengo at cptec.inpe.br |
| Gene Martin | UCAR/JOSS | USA | gmartin at ucar.edu |
| Jim McFadden | NOAA/AOC | USA | Jim.D.Mcfadden at noaa.gov |
| José Meitín | NOAA/NSSL | USA | Jose.G.Meitin at noaa.gov |
| John Freddy Mejia | NOAA/NSSL | USA | john.mejia at noaa.gov |
| Carlos Melgar | AASANA | Bolivia | carvigallo at hotmail.com |
| Eduardo Mingo | DINAC | Paraguay | edmingo at hotmail.com |
| Randy Mitchell | NOAA/AOC | USA | Randy.Mitchell at noaa.gov |
| Javier Murillo | NOAA/NSSL | USA | Javier.Murillo at noaa.gov |
| Carl Newman | NOAA/AOC | USA | Carl.E.Newman at noaa.gov |
| Matilde Nicolini | Univ of Bns Ars | Argentina | nicolini at at1.fcen.uba.ar |
| Raquel Orozco | IGP | Peru | raquel at chavin.igp.gob.pe |
| Jan Paegle | Univ of Utah | USA | jpaegle at met.utah.edu |
| Julia Paegle | Univ of Utah | USA | jnpaegle at met.utah.edu |
| Mike Patterson | NOAA / OGP | USA | Michael.Patterson at noaa.gov |
| Richard Pinto | AASANA | Bolivia | richardpinto_rios at hotmail.com |
| Fernando Pio | Univ de Asunción | Paraguay | pio_py ay yahoo.com |
| Natalia Porkhound | AASANA | Bolivia | |
| Carmen Reyes | SENAMHI | Peru | creyes at senamhi.gob.pe |
| Edwin Rodríguez | AASANA | Bolivia | griphy_erd at hotmail.com |
| Lourdes Rodríguez | DINAC | Paraguay | ler_rolandi at yahoo.com |
| Mark Rogers | NOAA/AOC | USA | Mark.E.Rogers at noaa.gov |
| Katia Romero | AASANA | Bolivia | karofer1 at hotmail.com |
| Jennifer Roman | Univ of Utah | USA | jroman at met.utah.edu |
| Juan Ruiz | |||
| Paola Salio | Univ of Bns Ars | Argentina | salio at at1.fcen.uba.ar |
| Damon Sans Souci | NOAA/AOC | USA | Damon.R.Sanssouci at noaa.gov |
| Celeste Saulo | Univ of Bns Ars | Argentina | saulo at at1.fcen.uba.ar |
| Marcelo Seluchi | CPTEC | Brazil | seluchi at cptec.inpe.br |
| Tom Shepherd | NOAA/AOC | USA | Tom.Shepherd at noaa.gov |
| Mike Silah | NOAA/AOC | USA | michael.silah at noaa.gov |
| Maria A. Silva-Dias | Univ of São Paulo | Brazil | mafdsdia at master.iag.usp.br |
| Pedro L. Silva-Dias | Univ of São Paulo | Brazil | pldsdias at master.iag.usp.br |
| Wagner Soares | INPE/CPTEC | Brazil | wsoares at cptec.inpe.br |
| Tom Strong | NOAA/AOC | USA | Tom.E.Strong at noaa.gov |
| Brian Taggart | NOAA/AOC | USA | Brian.K.Taggart at noaa.gov |
| Randy Tebeest | NOAA/AOC | USA | Randy.J.Tebeest at noaa.gov |
| Ray Tong | NOAA/AOC | USA | Ray.Tong at noaa.gov |
| Rock Torrey | NOAA/AOC | USA | Richard.E.Torrey at noaa.gov |
| Felix Trujillo | SENAMHI | Bolivia | trujillo_cat at yahoo.com |
| Graciela Ulke | Univ of Bns Ars | Argentina | ulke at at1.fcen.uba.ar |
| Ana Maria Varela | NOAA/OGP | Argentina | ana.maria.varela at noaa.gov |
| Carolina Vera | Univ of Bns Ars | Argentina | carolina at at1.fcen.uba.ar |
| Luciano Vidal | Univ of Bns Ars | Argentina | vidal at at1.fcen.uba.ar |
| Ed Zipser | Univ of Utah | USA | ezipser at met.utah.edu |