1. Atmospheric modeling observation requirements Maria Assunção presentation at the SMOCC meeting in Mainz April 2002

3. Local impacts Global impacts  q, c

6. Radiosonde sites

7. Proposed sites/measurements:  Radiosonde Guajará Mirim, Porto Velho, Vilhena, Alta Floresta 00, 06,12,18 UTC ABRACOS and Rebio Jaru 00, 06, 12, 15, 18, 21 UTC  Sodar, lidar ABRACOS  Tethered balloons Abracos and Rebio Jaru  Tethered balloon profiler ABRACOS  Pirgeometer, nefelometer, MFRSR ABRACOS  Flux towers+AWS+radiation: ABRACOS, Rebio Jaru  Aerosol + atmos. chemistry - ABRACOS  Raingages 40 (relocated from TRMM earlier sites)  Radar (Hydrix 3 cm)  Airplanes INPE (atmos chemistry,aerosol, microphysics??  NASA LBA Airborne Campaign - COBRABRAZIL - carbon

8. RACCI360 SMOCC170 MILENIO270 Total800 #dayssond/day Abracos Rebio Jaru Guajará Mirim Porto Velho Alta FlorestaVilhenaTotal 20664222440 20662000280 1322200078 Porto Velho, Vilhena, Alta Floresta already do 2 sondes/day operationally Available sondes PROPOSED SCHEDULE 53 798 days radisondes

10. 1998 1999 2000 Numbers indicate pentads from July. 1, October is indicated by arrows From TRMM satellite (prepared by Dr. Nelson Ferreira)