Capabilities / Instruments

HVPS-AIR

High Volume Precipitation Spectrometer aboard aircraft

Baseline VAP, Baseline Instrument, Evaluation VAP, Guest

The high-volume precipitation spectrometer (HVPS) is an airborne optical instrument that measures the size, shape, and concentration of water drops and ice crystals in the atmosphere from 150 micron to 3 mm.

Primary Measurements

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Contact

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Susanne Glienke
Lead Mentor Pacific Northwest National Laboratory

References

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Cai et al. "Study on the effect of collision-coalescence on cloud droplet spectral distribution and evolution of spectral parameters in warm non-precipitation cloud". 2026. 10.1016/j.atmosres.2025.108574.

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Atmospheric Radiation Measurement (ARM) | Reviewed March 2025