FAst-Physics System TEstbed and Research Project (FASTER) Convective-stratiform Precipitation and Vertical Velocity Product
Authors
Tami Fairless — Pacific Northwest National Laboratory
Scott Giangrande — Brookhaven National Laboratory
Michael Jensen — Brookhaven National Laboratory
Pavlos Kollias — Stony Brook University
Mary Jane Bartholomew — Brookhaven National Laboratory
Yangang Liu — Brookhaven National Laboratory
Xiquan Dong — University of Arizona
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Qilong Min — State University of New York, Albany
Rui Li — State University of New York, Albany
Category
Vertical Velocity
Description
In support of the FAst-physics System TEstbed and Research (FASTER) project, a precipitation and vertical velocity product has been developed using data from the vertically pointing ARM radar systems at SGP. The approach combines UHF (915 MHz) ARM zenith radar data, Ka-band ARM zenith radar (KAZR) data from the KAZR-ARSCL VAP, ARM Merged Sounding outputs and Joss-Waldvogel disdrometer (JWD) impact disdrometer observations. The end result is a prototype for a merged column product having calibrated and rain attenuation corrected reflectivity factor, vertical velocity estimates, and specific echo classification (convective/stratiform). The initial product results will be presented for select rain events of the 2011 Midlatitude Continental Convective Clouds Experiment (MC3E) wherein additional quality assurance was also available from independent radar and disdrometer platforms. Examples of convective and stratiform properties available through these data sets, such as drop size distribution parameters, vertical velocity magnitude, horizontal cloud extent and statistical profile characterizations, are offered. Future product stream additions including latent heat profile and column microphysical retrievals will be discussed.Lead PI
Yangang Liu — Brookhaven National Laboratory