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Stephen W. Nesbitt, Paola V. Salio, Eldo Ávila, Phillip Bitzer, Lawrence Carey, V. Chandrasekar, Wiebke Deierling, Francina Dominguez, Maria Eugenia Dillon, C. Marcelo Garcia, David Gochis, Steven Goodman, Deanna A. Hence, Karen A. Kosiba, Matthew R. Kumjian, Timothy Lang, Lorena Medina Luna, James Marquis, Robert Marshall, Lynn A. McMurdie, Ernani de Lima Nascimento, Kristen L. Rasmussen, Rita Roberts, Angela K. Rowe, Juan José Ruiz, Eliah F.M.T. São Sabbas, A. Celeste Saulo, Russ S. Schumacher, Yanina Garcia Skabar, Luiz Augusto Toledo Machado, Robert J. Trapp, Adam C. Varble, James Wilson, Joshua Wurman, Edward J. Zipser, Ivan Arias, Hernán Bechis, and Maxwell A. Grover

difficult because of the uncertainty in forecasting the intensity and location of the events, as well as the fast hydrological response of the basins. Teams were deployed to measure streamflow with acoustic Doppler current profilers and with digital cameras to perform large-scale particle image velocimetry (LSPIV) measurements along the selected river cross sections. LSPIV, a nonintrusive flow velocimetry technique, quantified streamflow during flash flood events. During RELAMPAGO, the team performed a

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Matthew R. Kumjian, Rachel Gutierrez, Joshua S. Soderholm, Stephen W. Nesbitt, Paula Maldonado, Lorena Medina Luna, James Marquis, Kevin A. Bowley, Milagros Alvarez Imaz, and Paola Salio

, Z. S. , K. L. Rasmussen , and D. J. Cecil , 2019 : Subtropical South American hailstorm characteristics and environments . Mon. Wea. Rev. , 147 , 4289 – 4304 , https://doi.org/10.1175/MWR-D-19-0011.1 . 10.1175/MWR-D-19-0011.1 Bunkers , M. J. , B. A. Klimowski , J. W. Zeitler , R. L. Thompson , and M. L. Weisman , 2000 : Predicting supercell motion using a new hodograph technique . Wea. Forecasting , 15 , 61 – 79 , https://doi.org/10

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Adam C. Varble, Stephen W. Nesbitt, Paola Salio, Joseph C. Hardin, Nitin Bharadwaj, Paloma Borque, Paul J. DeMott, Zhe Feng, Thomas C. J. Hill, James N. Marquis, Alyssa Matthews, Fan Mei, Rusen Öktem, Vagner Castro, Lexie Goldberger, Alexis Hunzinger, Kevin R. Barry, Sonia M. Kreidenweis, Greg M. McFarquhar, Lynn A. McMurdie, Mikhail Pekour, Heath Powers, David M. Romps, Celeste Saulo, Beat Schmid, Jason M. Tomlinson, Susan C. van den Heever, Alla Zelenyuk, Zhixiao Zhang, and Edward J. Zipser

initiating and growing deep convective clouds. The CACTI PI and some science team members were commonly located with the RELAMPAGO science team at the RELAMPAGO operations center in Villa Carlos Paz. Forecasts and near-real-time data displays utilized for RELAMPAGO mobile missions were also utilized for the adaptive observing components of CACTI during the IOP. During RELAMPAGO mobile missions, the CACTI observing sites were commonly used as part of the RELAMPAGO observing network. The integration of

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