PPT-Evaluating Cloud Microphysical Schemes in Simulating Orographic Precipitation Events Using

Observations Brian A Colle 1 and Aaron Naeger 2 1 School of Marine and Atmospheric Sciences Stony Brook University Stony Brook NY 2 University of Alabama at Huntsville This work is supported by NASA PMM . Orographic. Precipitation. William R Cotton. Dept of Atmospheric Science. Colorado State University. In the case of wintertime . orographic. clouds, we expect that increased concentrations of CCN will increase the cloud droplet number concentration, reduce cloud droplet diameters, reduce riming growth of ice, and thereby reduce precipitation. . VOCALS RF07: Over broken clouds and very thin Stratus clouds at south end of POC region, by Tony Clarke. Coalescence scavenging: . the importance of cloud-driven aerosol sinks. Robert Wood. ,. . University of Washington. Robert Wood, University of Washington. w. ith Ryan Eastman, Daniel McCoy, Daniel Grosvenor (University of Washington); Matt . Lebsock. (JPL). “Background” (minimum imposed) cloud droplet concentration influences aerosol indirect effects. Lynn McMurdie, Bob . Houze. (University of Washington). Walt Petersen (NASA) and Bill . Baccus. (National Park Service). 1 March 2013 Pacific NW Weather Workshop. A future field program to validate a future satellite. ACE is presently in pre-formulation and will be realized in some form in the early to mid . ’. 20s. . ACE is a response to the . The extreme sensitivity of the climate system to hydrological processes especially clouds and precipitation. . Photograph: Tony Clarke, VOCALS . REx. flight RF07. Robert Wood. University of Washington. with Rhea George, Chris . Terai. , Dave Leon, Jeff Snider. or. . Control of cloud droplet concentration in marine stratocumulus clouds. Robert Wood Graham Feingold Dave Turner. Warm cloud responses to aerosols. Microphysical, structural, and dynamical properties of low, liquid-phase clouds show sensitivity to aerosol loading, . but. the responses are not uniform. . Photograph: Tony Clarke, VOCALS . REx. flight RF07. Robert Wood. University of Washington. Dave Leon and Jeff Snider, University of Wyoming. Radiative. impact of cloud droplet concentration variations. RADEX. Jay Mace, . Roj. Marchand, . Tristan . L'Ecuyer. Objectives:. Collect datasets suitable for retrieval case studies. M. ulti-instrument . synergy . Cloud vertical motion with . cloud and precipitation . Dan Bikos, Edward Szoke, Steven Miller, Stanley Kidder, Christian Kummerow,. . Cindy Combs,. Scott Longmore. . *. Paula Brown. Cooperative Institute for Research in the Atmosphere (CIRA). *. Department of Atmospheric Science. Precipitation . John . Horel. Department of Meteorology. University of Utah. john.horel@utah.edu. Acknowledgments. Jim . Steenburgh. , U/Utah. Steenburgh. and Alcott 2008. Steenburgh. and Alcott (2008). Feasibility using In Situ Data from SEAC4RS and TC4. Jay Mace. Measurement . Provided by: . Simone . Tanelli. , Paul Lawson and Co., . Svetla. . Hristova-Veleva. , Steve . Durden. , Paul Bui. Convective Turret Penetrated during SEAC4RS by the DC8. about 1000 m/48 hrs. Thus, they usually evaporate quickly upon leaving the cloud mass. . For it to fall as a raindrop the cloud droplet must get bigger. One raindrop = about 1 million cloud droplets, . Dr. Andrew Martin. 1. , Dr. Allison Michaelis. 2. Also Collaborating: Dr. F. Martin Ralph. 2. , Dr. Paul Loikith. 1. . Funded by: USACE FIRO @ Lake Mendocino Project. 1. Department of Geography, Portland State University; .