INSTRUMENT SUITE IN SITU AEROSOL Condensation Particle Counters (3 w/ lower size cutoffs at 3 nm, 7nm, and 13nm) CCN concentration at 3 supersaturations (Caltech) Dual ACADS (aerosol size 10 nm – 800 nm; ~0.01 Hz; ambient and dry) (Caltech) 3-column DMA (aerosol concentration at 3 fixed dry sizes ~ 1 Hz) Aerodyne Mass Spectrometer (Caltech) Scattering and absorption coefficients (Neph/PSAP) Aerodynamic Particle Sizer (360 nm – 18 µm) PCASP optical sizer (100 nm – 3 µm) IN SITU CLOUD CAPS (cloud and precipitation optical probe from about 0.5 µm up) FSSP (cloud drop size distribution from 3 µm- 60 µm) Gerber total liquid water probe Counter flow Virtual Impactor (CVI) METEOROLOGY FMCW 95 GHz Doppler cloud radar (Miami) 5-hole turbulence probes (2) C-MIGITS internal navigation system Rapid-acquisition H2O and T RADIATION Pyranometers (0.3 µm – 2.8 mm) on a stable platform (Bucholtz/Sandia) Multi channel radiometer (MCR) for cloud remote sensing (NCAR)

© Caltech Last Update: April 9, 2003